C# 6.0

C#6.0

Great Reads

by Qwertie

It has 41 features in about 1000 lines of code* - but only 3 lines are needed to parse the expressions you type in. Uses WinForms, BackgroundWorker, GDI+ and LES.

WPFSpark v1.2

by Ratish Philip

The next version of the useful WPF controls is here

Random Name Generation Using Markov Chains

by phil.o

This article describes the building of Markov Chains and their use for generating random names or words.

Using Reactive Extensions - the basics

by Kenneth Haugland

How to connect hot observables to Rx

Latest Articles

Boilerplate Guide to Creating a Source Generator - Part 6

by Dave Elliott

A series of 6 articles to provide you with a boilerplate guide to create Source Generators.

Boilerplate Guide to Creating a Source Generator - Part 3

by Dave Elliott

A series of 6 articles to provide you with a boilerplate guide to create Source Generators.

Boilerplate Guide to Creating a Source Generator - Part 4

by Dave Elliott

A series of 6 articles to provide you with a boilerplate guide to create Source Generators.

Boilerplate Guide to Creating a Source Generator - Part 5

by Dave Elliott

A series of 6 articles to provide you with a boilerplate guide to create Source Generators.

All Articles

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C# 6.0

How to scroll down automatically a datagridview box with C#?

18 Oct 2016 by #realJSOP

private static void EnsureVisibleRow(DataGridView view, int rowToShow){ if (rowToShow >= 0 && rowToShow

SQL

C#6.0

DataGrid

scrolling

DataGridView

C#: Google map check the value is inside the circle or not..?

15 Mar 2018 by #realJSOP

Simply get the distance between two points, and see if it's within the desired radius. If the Google Maps API doesn't have a function for that (and it would honestly surprise me if it didn't), you can use the class in this article to determine the distance between two GPS points. A Handy GPS...

C#6.0

Google

jQuery

How to undo this step

1 Jun 2018 by #realJSOP

0) As pointed out by Richard, part of your problem is that you need an else condition to remove the datetime. 1) The other part of your problem is that you have no way of knowing what to remove because you're not storing the datetime (that was inserted) in a variable. How can you possibly...

C#6.0

C#7.0

C# WPF login SQL bool method get the user

5 Nov 2018 by #realJSOP

Create a static class that contains the desired user data. When the user logs in, capture the desired user data into your static class, and you can still return a bool from your login method.

C# WPF .xaml control data-binding question.

6 Nov 2018 by #realJSOP

should i be doing this with data binding because this is WPF? Yes.

C# WPF loading user stopping UNIQUE KEY constraint in SQL

1 Dec 2018 by #realJSOP

I know - it's unfortunate that you have to actually write some code, but that's how it goes. Put a try/catch block around the code that's attempting to insert the new user, and in the catch part, show a message box that shows "User name already exists.", and let that be that. At the same time.

C# WPF read SQL method

2 Dec 2018 by #realJSOP

I do it this way: SqlConnection conn = null; SqlCommand cmd = null; try { using (conn = new SqlConnection("blah blah")) { conn.Open(); using (cmd = new SqlCommand(...)) { //... your code } } } catch (Exception ex) { //... do something...

Why VIEW data don't show correctly in gridview ?

3 Apr 2019 by #realJSOP

0) Your linq query makes no sense because EVERY day is between the first/last day of its month. Maybe you meant to compare just the month? (We can't see what the vars LastDayofMonth and FirstDayOfMonth are, but I assumed they're a datetime.) Maybe better names would be StartDate and EndDate? 1)...

How can I insert an array of a table column into a column of another table?

4 Apr 2019 by #realJSOP

Instead of trying to "find it on the forum and on the internet", try taking notes in class, and then referring back to them when it's time to do your homework.

C#3.5

C#6.0

C#7.0

How to add/append my XML out put to existing XML file

4 Apr 2019 by #realJSOP

Use LinqwToXML to load the document, add your new data, and save the document. Easy peazy lemon squeezy.

C#6.0

XML

Project made purely of razor web pages

24 Apr 2019 by #realJSOP

You cabn't do razor pages without controllers. The db work is done from the controller - not the view. The view simply presents the data to the user in the form of appropriate markup. Once data has been retrieved from the db, put it into a session var if you don't want to keep making the round...

C#6.0

Razor

I want to intergrate shuftipro api for user validation in MVC entity framwork

7 May 2019 by #realJSOP

This website is blocked where I work, but look here: Shufti Pro API Source Code Samples | ProgrammableWeb[^] BTW, I did a google search to find that link. I heard that google searches were recently made free of charge, so you can do it, too...

How do I load a DLL into a custom created app domain

10 Jun 2019 by #realJSOP

It sounds like you're tryitg to perform "live" updates without having to stop the service and restart. 0) One alternative is to have the service monitor the install folder for changes to referenced DLLs, and have it restart itself when it detects a change.This would eliminate the need to load...

Threading concept to improve the webbrowsers URL navigation process in C#

18 Jul 2019 by #realJSOP

If it were me, I'd send HTTP requests and evaluate the un-rendered response instead of waiting for a web page to render. You could try putting each request in a thread.

C#6.0

Windows

WebBrowserControl

Example base for multiple view dialogs

31 Oct 2019 by #realJSOP

That's a poor design. Make the user click a "Change Password" button to change the password. When the button is clicked, display a new form for that purpose. If you want to be clever, you can use a borderless non-movable non-resizable form that's centered on the parent, and it won't look like...

C#6.0

WPF

Can we change property name dynamically in C#

10 Jun 2022 by #realJSOP

If you insist on wanting to "change the property name (which I personally think is a TERRIBLE idea), just create a couple of getter/setter extension method that does what you want: public static int MyRenamedProperty(this MyObject obj) { ...

C#6.0

LINQ

How to use the foreach loop to pass each row of a WPF datagridview with thesame data source as a report back to the report

2 Apr 2021 by #realJSOP

Try this: ((DataTable)dgv.DataSource.ToTable()).Clone(); Personally, I would never work directly with a DataTable. All of my database stuff is handled through a DAL and is moved to/from model entities.

C#6.0

WPF

I have to display pdf in ifram using response.outputstream.write(bytes, 0, filesize);

7 Mar 2017 by $ultaNn

I can get pdf to browser , i want it in iframe with out using generic handler byte[] bytes = (byte[])GetData("SELECT * FROM [CME_Attachment] where ID = '" + ActID + "'").Rows[0]["Attachment"]; string name = name.pdf; int FileSize =...

After removing update panel from ASP page I am getting this error "cannot unregister updatepanel with ID "

20 Sep 2017 by $ultaNn

I am getting this error after i remove update panel from the page . Cannot unregister UpdatePanel with ID 'UpdatePanel1' since it was not registered with the ScriptManager. This might occur if the UpdatePanel was removed from the control tree and later added again, which is not supported....

Sql transaction in using code

3 Jan 2018 by $ultaNn

how can i use transaction code in below code for multiple query private SqlConnection DBCon { get { return new SqlConnection(ConfigurationManager.ConnectionStrings[" "].ConnectionString); } } protected DataTable ExecuteQry(string Qry) { DataTable dt = new...

C#3.5

C#6.0

C#7.0

Error while using nextresult fuction with datareader

12 Aug 2018 by $ultaNn

Error while using NextResult fuction with datareader cannot get second table result and error on second NextResult line " invalid attempt to call nextresult when reader is closed " using (SqlConnection myCon = DBCon) { try { string Qry = @"SELECT...

ADFS implementation with ASP.NET

13 Feb 2023 by $ultaNn

Dear i ave followed steps given in this Link when I debug the application, I am getting Error This site can’t be reached What I have tried:

Extract parent element from XML document

24 Oct 2020 by .Net Perfect Dev

Hello, I have an xml document

Return function int64 C++ to a C# project

10 Nov 2018 by 11917640 Member

Int64 localp = RerturnLocalPlayer();

how to get lable id from repeater control while dragging .?

11 Oct 2015 by 12045649

Hello friends.. i am doing dragging and dropping with in repeater control(3 repeaters control side by side)..within the repeater i kept label ..getting the label text from database(binding from database)..Now the problem is while dragging the label i want to know the label...

C#6.0

ASP.NET4

I am getting error while installing crystal report from net..Can anybody help me.?

12 Oct 2015 by 12045649

Hi friends...I am getting error while installing crystal report from http://www.aspsnippets.com/Articles/Download-Crystal-Reports-for-Visual-Studio-2012.aspx[^]Please help me for this.?

C#6.0

ASP.NET5

How to change the colour of bar ,pie in report viewer..

13 Oct 2015 by 12045649

Hello friends, I am doing report using sql data..in my website(report viewer in asp.net)..I want to change the colour of bar and pie diagram ..Because in my website it is not looking good..So i want to change the colour But It is not coming ..Can any one help me with this please..

C#6.0

ASP.NET5

How to change the colour of bar ,pie in report viewer..

13 Oct 2015 by 12045649

We Can Use custom palette colour in properties..After Right click the chart..

C#6.0

ASP.NET5

How Can I Change Var Variable To String..?

13 Oct 2015 by 12045649

Hello Friends.. .. getting local time using javascrit..Here Problem is i am getting the time but in var variable ..I am unable to send to database..Can any one help me how to convert var variable to datetime format..?

C#6.0

ASP.NET5

How Do I Convert Var Variable (Having Date ) Into Int Variable.?

18 Oct 2015 by 12045649

Hello friends,..var dt = new Date(); var a = new Date(dt).toLocaleString(); alert(a);I used above code ...here i wanted the var variable to int variable because i wanted to send it to database(which is in datetime format)..Can anybody help me ..?

C#6.0

ASP.NET

How to get local time and date and wanted to send it to database.?

19 Oct 2015 by 12045649

Hello friends, source Code: function getdates() { var today = new Date(); // ...

C#6.0

ASP.NET5

How to change color in google line chart..?

26 Oct 2015 by 12045649

Hello friends..I am using google line chart in my application .. i have done with it..But i want to change color of the lines..Can u any help me how to change the color of a lines..My code .cs:public partial class _Default : System.Web.UI.Page{ StringBuilder str = new...

C#6.0

ASP.NET

How to change color in google line chart..?

27 Oct 2015 by 12045649

Hello Friends I got the solution for above problem :getting data from database and creating google line chart in asp.net :source code :Multi series Line chart using Google...

C#6.0

ASP.NET

how to make gridview with drag and drop column functionality.?

28 Oct 2015 by 12045649

I want to make gridview having functionality of column drag and drop Means column can be move ex. If we drag 1st column on 3rd column it will drop on 3rd position any suggestion or help please Thanks

C#6.0

ASP.NET4

See non-letter harddisk with C #

25 Jul 2018 by 1hakankaraca

I am doing one disk management application. I can take out the discs that have been created. The main problem is to see what has not been created. And to make them unit and shape. I do not want to use Windows's disk management application. What should I do for this? What I do is almost identical...

C#6.0

management

disk

How do i use mplayer in asp.net web pages.i know how to use mplayer in c# form application

19 Feb 2016 by 4L4K1

Hi I know how to use mplayer in C# form application according to this link.i wanna know how to use mplayer in asp.net web pages.i want a player on web page that I can tell it to play a part of a larger video for example from 0:1:10 to 0:3:20 .thank you in advance. any help is...

C#6.0

ASP.NET

Why this wierd convert double to string happens?

5 May 2019 by 4L4K1

why this wierd convert double to string happens? I use win 8.1 ,visual studio 2019 in laptop it is wierd. i use win 10 , visual studio 2019 in PC and it is ok. What I have tried: double d=1.2; string sWierd =""+d;//s=1/2 string sOk=d.ToString();//s=1.2 //both are not "1.2" for me so that...

C#6.0

Windows

How to set image to leaf node only in treeview

30 Sep 2017 by 855

i want to set image to leaf node only, but it appears that the non-leaf nodes are set automatically. What I have tried: tv.ImageList = images List Nodes = tv.GetAllTreeNodes().ToList(); foreach (TreeNode tn in Nodes) { if...

C#6.0

Delete a folder when it open

9 Oct 2017 by 855

VB.NET i want to delete a folder using below code. Normally it works but when the testfolder is open, below code got an exception. My.Computer.FileSystem.DeleteDirectory("testfolder", FileIO.DeleteDirectoryOption.DeleteAllContents) is there any way to delete the folder even when the folder...

C#6.0

Override base property

9 Oct 2017 by 855

public class A { public string prop { get{ ...some logic...; } } public string method() { string p = do something calculation using prop. return p; } } public class B { // i would like to override property prop, // so when i call B.method...

C#6.0

Multiple files from 2 or more file upload controls

2 Nov 2018 by _ProgProg_

Dears, I 've a situation here in uploading multiple files from multiple controls in asp.net mvc. How can i differentiate (grouping) between files of each file upload controls? In HTML: Here is the uploaders:

I have problem with JWT

20 Nov 2023 by A Belal

I get tokenKey from path https://localhost:7107/api/login And when i try to test token and get data from Path https://localhost:7107/api/Values the token work good and data comes well but when i remove token the data continue come and...

Prevent SQL injection while accepting user input.

10 Feb 2021 by aakar

Hi, I have a legacy web application which accepts user input from textboxes. In one of the screens where user can add new records to the database, need to prevent SQL injection by making not much changes to existing code. Existing code is as...

Logical / Visual Tree Walking in WPF

15 Feb 2016 by Aaron Amberman

Advanced custom logical and visual tree walking methods

How to create password and expire date protected pdf in C#

1 Jun 2017 by aashish tyagi

How to create password and expire date protected PDF in c# ,if any buddy idea please help me What I have tried: i have created pdf with password protected but we require pdf password and expire date protected

C#6.0

HOW to implement count record functionality for each column in a data grid ?

29 Sep 2016 by Abani_samal

I have a wpf datagrid. I have 10 columns in that. I need to show a summary row at the end of the data grid. It should show record count of each column at the end of each column in the data grid. I need something like below. Column1 Column2 Column3 test 1 ...

C#6.0

.NET

WPF

How to convert javascript date to C#?

4 Sep 2016 by abdul subhan mohammed

Hi Guys,I want to convert javascript date to c#.In my asp.net web application, i'm storing the values in Hiddenfields.This hdn.value then, i'm trying to convert to DateTime in C#.But getting the error as "String was not is proper format"eg: date from javascript:...

C#3.5

C#6.0

How to fill dates in fullcalendar jquery?

6 Sep 2016 by abdul subhan mohammed

Hi guys,I have fullCalendar control on my asp.net page.and I have dates values stored in SQL SERVER DataBase.For this I wrote stored procedure to get values.Now, I want to fill these values(dates) in the FullCalendar...What I have tried:which method I have to use to fill...

C#3.5

C#6.0

How to fill dates in fullcalendar jquery?

6 Sep 2016 by abdul subhan mohammed

C# code: public object SessionScheduleDates { get { string output=""; if (Session != null) { string input = Session.ScheduleDates; output = "[" + "\"" +...

C#3.5

C#6.0

How can I detect any key pressed in windows and change the key value at runtime using C#?

23 Jul 2018 by Abhijeet P Singh

I want to detect the user input any where in windows and want to replace it with my custom value. For now I am using hooks to detect the key press but I am not able to change the key value: as like if user typed "Hello " in notepad the it want to replace it with "Hey! there..." What I have...

C#6.0

ASP.NET

Find the date text jquery asp.net mvc

12 Oct 2015 by Abhinav S

Regular Expression Example: Changing Date Formats[^] is a good example that uses regular expressions and the Regex.Replace method to replace dates from one format into another.

C#6.0

jQuery

MVC

How Can I Convert Different Files To .Tiff In C#

12 Oct 2015 by Abhinav S

TryConverting to TIFF[^]C# PDF - Convert PDF to TIFF in C#.NET[^]

C#6.0

How to perform permutation and combination in C#

7 Jun 2016 by Abrar Kazi

Required Quantity : 530 Buffer Qty allowed is : -5% to +10% of Required Qty which becomes : 583 for +10% 503.5 for -5% BATCH | QTYB1 | 510B2 | 500B3 | 15B4 | 12B5 | 10So here i want all the combinations that fall between 503.5 & 583.Eg :...

How do I remove comma seperated specific value from a string ?

9 Aug 2016 by Abrar Kazi

string Batches = ",,H104001002,H104001003,H104001004,H104001005";I have this string and i have to remove "H104001002" from the above string in ASP.Net C#.What I have tried:I was thinking to use Contains to find the string and Replace to replace it with ""

How can I populate items in combobox in form2 with form1 combobox

7 Oct 2016 by Abuamer

i have 2 forms > form1 and form2> form1 hs one textbox and 2 buttons >when you click button1 it save the textbox value in the combobox. when you click button2 it show form2 which has acombobox that retrieves data from combobox1 in form1> but it is not workingWhat I have tried:thats...

C#6.0

Update two tables at the same time after checking if the record exist.sqlserver 2012

29 Oct 2018 by Abuamer

i am developing aquery that Update two Tables at the Same Time with user_defined_Table_types (Tbl_addition_Store and Tbl_item_Journals) tbl_addition_store (add_id,date,product_id,Supplier_id,Quanty,price,value) Tbl_Journals(journal_id,add_id,date,product_id,Supplier_id,Quanty,price,value) i...

C#6.0

SQL-Server

How can I copy the previous cell value to current cell in datagridview C#

5 Nov 2018 by Abuamer

i have datagridview named Dgv_Invoice connected with database .when i call data into 7th column in the first row i want to copy this value into the second row cell 7 from the above cell .and the third row cell alse from the above row cell. but it works for all datagridview> i want only to copy...

C#6.0

How to sum repeated rows in datgridview and show in another datagridview

2 Dec 2018 by Abuamer

i have two datagridviews(first one called Dgv_Invoice,and 2nd called dgv_costCenter) the data in the second datagridview(dgv_costCenter) was item name price quantity value customerid keyboard 20 10 200 1 mouse 10 10 100 2 monitor 200 2 ...

C#6.0

C#5.0

How to get selected rowscells from datagridview to a binded datagridview in another form?

21 Dec 2018 by Abuamer

i have to forms ... the first one is form_Items_Transaction with datagridview (Dgv_transactions) and the second one is Form_Search_Items with datagridview(Dgv_Search)... i have fill dgv_transactions with datatable.so i want to fill column 7 from dgv_transaction with column 1 in dgv_Search with...

C#6.0

C#5.0

How can I load multiple images into datagridviewcolumn C#

24 Feb 2019 by Abuamer

i have a datagridview named datagridview1 . i want to select multiple images from any folder and put the inside my datagridview. i have successfully added then inside my datgridview1 .but the problem is how could i save those images into my sqlserver database . can any one help me What I...

How to upload afile into googledrive using desktop application C#

20 Mar 2019 by Abuamer

i have a desktop application which i want to use to upload Files into my google drive.i created a Method To Upload the file > i call the method in the button click. but the problem is the code doesn't work. can any one help What I have tried: private void btnUpload_Click(object sender,...

C#5.0

C#6.0

C#3.5

How do I reduce image size without losing any quality

21 Mar 2019 by Abuamer

i have c# desktop application which i created to store images inside SQL server database ,Based on customer's desire .the problem is the code work's correctly and the images stored with different ways, but with a big size,so i tried to resize images before saving then,but my method to resize...

C#3.5

C#6.0

How to loop through all ribboncontrol barbuttunitems inside windows form

17 May 2019 by Abuamer

i want to loop through my win form Application to set my security roles on it. i have aribboncontrol1 which has six barbuttunItems .(barbuttunSave,barButtunEdit,barButtunDelete,barButtunNew,barButtunPrint,barButtunExit) i want to make only barbuttunSave and barButtunPrint active(enabled=true)...

Insert data into databse code first

8 Oct 2019 by Abuamer

Iam New In Entity-framework...i created Windows Apllication in visual studio 2019 iam using Entity-framework 6.i created DatabaseContext like that using LedgerGroup.TheLedger.Core.Entities; using System; using System.Collections.Generic; using System.Data.Entity; using System.Linq; using...

C#7.0

C#6.0

How do I generate transactionnumber from SQL server EF

1 Mar 2021 by Abuamer

i created desktop application in accounting Field using c# and SQL Server 2014 . i have more than 36 users using my program at the same time . i already hosted my database at smarterAsp.net . my program Consists of 7 modules(Fixed Assets-...

C#7.0

C#6.0

SQL-Server-2014

Object reference not set to an instance of an object - httpclient

28 May 2017 by Acha Bill

I this FacebookController [MobileAppController] [Authorize] public class FacebookController : ApiControlle private TodoUserService todoUserService; protected override void Initialize(HttpControllerContext controllerContext) { base.Initialize(controllerContext); ...

C#6.0

Azure

ASP.NET

How to store image in cookies

12 Oct 2021 by ADI@345

i am making an eccomerce website where i have store data in cart using cookie. I am easily store string variable but problem facing when storing image. What I have tried: HttpCookie userInfo = new HttpCookie("userInfo"); userInfo["image"] = Image1.ImageUrl; ...

C#6.0

Custom HTML Helper with Page Mode Rendering

15 Feb 2019 by aditya pewekar

Create custom HTML helper to manage Page Mode like View (Readonly) and Edit/Add (Editable)

How to do free web hosting?

27 Sep 2016 by Adityakumar2318

I have free domain names as codingwithpassion.tk and i want to get free hosting.Also i have developed a project in the asp.net, sqlserver. Can i upload the same?Please help.Thanks in advance.ThanksAditya KumarWhat I have tried:I tried to use so many free hosting sites...

Which is better to use HTML helper class or simple HTML control in MVC?

16 Dec 2016 by Adityakumar2318

Hello Sir,I am making a project in Asp.net MVC using Entity framework and i am confused Which is better to use Html helper class or simple html control in MVC?For eg- For Textbox- I can use html helper class and simple html input textbox also.Please suggest me which one to use and...

C#6.0

MVC

ASP.NET

Problem while practicing C#

2 May 2018 by adityarao31

Question in practice is "Create collection class called People that is a collection of person class.The items in the collection should be accessible via a string indexer that is name of person,identical to the Person.Name property. I found answer at back of book but its incomplete.That code...

C#6.0

Problem while practicing C#

2 May 2018 by adityarao31

Thanks for your reply I understood the explanation.Also understood that I don't know indexer concept. Will you please tell me what code should I write inside main function. Also just broadly tell me what is indexer and for what it is used? So that I can study it thoroughly.

C#6.0

Win 10 Toast Notification

9 Oct 2015 by Afzaal Ahmad Zeeshan

Sure, MSDN is here to help you in getting started to "Showing a Toast Notification in Windows 10". Remember, Windows 10 runs on Windows Runtime as the API for software development. So, do not confuse is the solution says, "Windows 8/8.1" etc. It works on Windows 10 too....

C#6.0

What Should Use In From Email Address In Contact Page When I Have To Send All The Information To My Email Address ?

6 Nov 2015 by Afzaal Ahmad Zeeshan

To field is for the recipient, the one who receives it whereas From field is for sender, the one sends the email. SMTP servers or clients would use these parameters to generate a GUI for the client to read who sent the email or who was sent the email. In cases where you are going to send an...

C#6.0

ASP.NET

ASP

A guide for doing MVC on .NET core in vscode

10 Oct 2016 by Afzaal Ahmad Zeeshan

Good request that you are making here. Sadly, there are very less guides that take Visual Studio Code into considerations and the one that do take it into consideration talk about .NET Core applications, and not the ASP.NET applications. I am currently working on a book titled, "Considering...

Which is better to use HTML helper class or simple HTML control in MVC?

16 Dec 2016 by Afzaal Ahmad Zeeshan

The answer depends upon many factors, but just a rule of thumb can be, If your data in Models requires or has some attributes defined for data validation in the forms, or the data has some special format to follow, then using HTML helpers can help in generating the dynamic UI easily. That is...

C#6.0

MVC

ASP.NET

How can we secure a web api?

25 Feb 2017 by Afzaal Ahmad Zeeshan

And by secure what do you actually mean? Do you mean, that unauthorized access should be prevented? In that case, you need an authentication system. ASP.NET Web API already has that feature, it is called Identity.ASP.NET Identity 2.1 with ASP.NET Web API 2.2 (Accounts Management) - Part 1 -...

How to make navigation images as picture below

5 Mar 2017 by Afzaal Ahmad Zeeshan

First of all, we do not provide free code services to your demands. Secondly, the image also does not contain any navigation, just an image and a few white blocks. It does not explain anything at all. Finally, you can look for "css navigation code", and then use them in your...

How to handle unhandled(nullexception) exception in button handlers in xamarin.android

11 Apr 2017 by Afzaal Ahmad Zeeshan

Although to handle the errors, you would need to use a try...catch block, whereas in this case it would be an if...else block to be used. ButtonPrev = FindViewById(Resource.Id.buttonPrev); ButtonNext = FindViewById(Resource.Id.buttonNext); TextTitle =...

How to create doc file in server folder using ASP.NET C#

7 May 2017 by Afzaal Ahmad Zeeshan

On the server, these things do not work — unless your hosting environment provides you with these paths, strHTMLContent.Append("".ToString()); There, you would need to do something like this, ...

C#6.0

SQL-Server

ASP.NET

Need help in with architecture of real time dashboard design like stocks websites

3 Jun 2018 by Afzaal Ahmad Zeeshan

Quote: I have a scenario where I need to get data from APIs, do some calculations, save the data into database and display it on real time dashboard, there should not be much latency data synchronization. Sure, you can use ASP.NET Core as the development framework, SignalR as the sockets...

27 Sep 2018 by Afzaal Ahmad Zeeshan

In this problem of yours, a very easier way would be if there can be found some of their APIs or libraries that can let you do this. But since you do not intend to use, or perhaps the service does not expose an API, the only way to do this is using an external library that will allow you to...

C#6.0

How use pointer in C# like C++

7 Nov 2018 by Afzaal Ahmad Zeeshan

If you want to use C# because, then you have to leave all that pointer luxury with the C++. The core concept of C# was to enable you to have a managed environment, where you only had to write the business logic instead of having to manage the low-level memory and hardware as well. C# itself is...

How to validate email id exist or not using c#.net

22 Jun 2019 by Afzaal Ahmad Zeeshan

Please study how SMTP protocol works and how different SMTP service providers function. They do not allow, or sometimes they hide away the fact whether an account exists or not. I once worked on a project where we had to accept and receive the emails for every recipient email address (yes,...

How and where do I implement "create a directory named data in your project to save your data set files." in this program

30 Jul 2019 by Afzaal Ahmad Zeeshan

Quote: what on earth is a directory and how do I implement it , where do I implement it A folder. :facepalm: What they are saying is that you need to create a folder (directory) called "data" and store the data files (on which you will be training models) in that folder (directory). Oh, and...

C#7.0

C#6.0

How can I make this program loop and save a line of text into a text file in C#?

1 Aug 2019 by Afzaal Ahmad Zeeshan

Quote: but it needs a lot more training That is machine learning 101 for you right there. Quote: I would literally just ask the user if the prediction was correct This does work, and will work just fine. In most production environment this is not ideal scenario as it can lead to so many serious...

C#7.0

C#6.0

Can we use only SQL express in client's computer

2 Sep 2019 by Afzaal Ahmad Zeeshan

Quote: how upload my sql database to my client computer You do not do that. Databases are meant to be protected on the servers, behind secure firewalls and authenticated systems. Your SQL Server, MySQL and other databases are the meat of your business. You are a student, thus I am trying to...

C#6.0

Setting datagrid column widths from datatable

15 Mar 2021 by aherceo

public ProductsList() { InitializeComponent(); CreateProductList(); DataTable dt = DataTableProductList(productList); // it is assumed that productList is a public variable of type List ...

An error occurred while executing the command definition. See the inner exception for details.

20 Aug 2020 by Ahir Ajay

An error occurred while executing the command definition. See the inner exception for details. System.Data.Entity.Core.EntityCommandExecutionException: An error occurred while executing the command definition. See the inner exception for details....

C#6.0

entity-framework

How do I add ip at windows firewall from table SQL

8 Nov 2020 by Ahmed Adel

hi guys , i already make program at C# got public ip and added in table name IP that client side , i want to create other one for server side take those IP from sql table and add this ip in windows firewall to allow them , i already test with CMD...

C#6.0

C#7.0

jParser PCL .NET Json Parser

15 Feb 2016 by Ahmed Amer Jaf

Fast n Easy Way to parse Json data

Why (SQL severtrigger) does not fired after insert using entity framework?

18 Dec 2016 by Ahmed Dabas

I have an c# application using Entity Framework and i create a trigger in the database fired after inserting , updating.I notice that the trigger does not fired when i insert or update using EF code, on the other side the trigger fired when i insert or update through sql serverWhat I...

C#6.0

entity-framework

SQL-Server

How can I upgrade my project to using entity framework core 1.1

22 Dec 2016 by Ahmed Dabas

I create (Human Resource) project , i use entity frame work 6 database first , and i'd like to upgrade ef version to ef core 1.1 what is the correct way to do that ?What I have tried:I don't know the correct way because i afraid to do mistake

C#6.0

entity-framework

How to deserialize json object into list of customers C#

19 Oct 2022 by Ahmed Elbaz

Just change the return type to List as follows: public static async Task> GetTempData()

C#7.0

C#7.1

C#6.0

How can I fix the array?

26 Oct 2022 by Ahmed Salah Oct2022

namespace program { class program { static void Main(string[] args) { int[] grade = new int[10]; int[] cre = new int[10]; string[] gpa = new string[10]; double[] gs = new...

What scenario using code first or entity framework

13 Jan 2017 by ahmed_sa

I need to build web site by .net web technology asp.net mvc USING C#But i confuse What is best for build Web site Implementation by MVCUsing Entity framework(build database and create modules automatic by EF)ORImplementing web site by using Code First ?What I have...

How to add horizontal menu in layout page on top of page?

10 Feb 2017 by ahmed_sa

I work in web application MVC asp.net visual studio 2015How to make horizontal menu as below ?I need to add horizontal menu to my layout page as bellow :

How to create connection string to excel sheet 2007 by C#

27 Feb 2017 by ahmed_sa

I need to know are this connection string to excel is wrong or true public static string fileName = string.Format("{0}\\Book502", Directory.GetCurrentDirectory());string connection = string.Format("Provider=Microsoft.ACE.OLEDB.12.0;" + "Data Source={0};Mode=ReadWrite;Extended...

How to make navigation images as picture below

5 Mar 2017 by ahmed_sa

I work in visual studio 2015 asp.net mvc project i need to make image galary with circle lightreally I cannot know technique i will use(css or flash or what )it found on www.apharmu.com under green menu image galary automatic navigate every certain time can you tell...

How to display image from access database 2007 although all data display in rdlc

9 Mar 2017 by ahmed_sa

I have problem in display image from access 2007 database to rdlci work in windows form c# vs2015Actually i need to display image from database to more records from access 2007but i cannotin rdlc i do as following :In RDLCdrag image control to report source...