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Great Reads

Maintain Scroll Position Problem fix for Chrome.

by Wonde Tadesse

The other option will be to use Update Panel ASP.NET control as much as possible. It helps to retain the current position on the page whenever a postback happens to the page.

ASP.NET: Understanding OWIN, Katana, and the Middleware Pipeline

by John Atten

OWIN, Katana and Middleware Pipeline in ASP.NET

SignalR Chat App With ASP.NET WebForm And BootStrap - Part Three

by Altaf Ansari

SignalR Real-Time ChatApp with Emoji / Smiley and sending file attachment

AJAX-enabled Name Selector User Control

by Steve Krile

Fully AJAX-enabled user control used to select names from a database in a drop-down format.

Latest Articles

Build Rich Web Apps with ASP.NET Core and Sircl – Part 3 (b)

by Rudi Breedenraedt

In this series, we will see how to build interactive web applications in ASP.NET Core with the help of Sircl.

Challenges in Migrating ASP.NET Apps to Containers #3 – OpenSSL Issues

by Mohammad Elsheimy

Configuring OpenSSL minimum version and legacy renogetiation

ASP.NET 8 – Multilingual Application with Single Resx File – Part 4 – Resource Manager

by Mark Pelf

A practical guide to building a multi-language ASP.NET 8 MVC application

ASP.NET 8 – Multilingual Application with Single Resx File – Part 3 – Form Validation Strings

by Mark Pelf

A practical guide to build a multi-language ASP.NET 8 MVC application

All Articles

ASP.NET

what is stored procedure?

N 25 Apr 2024 by Member 16251738

A stored procedure is a precompiled set of SQL statements that perform a specific task or operation in a database management system (DBMS). Stored procedures are stored and executed on the database server, providing several benefits for database...

X509 certificate, want to retrieve certificate from client personal store

N 25 Apr 2024 by Dave Kreskowiak

Yeah, that's not a thing. Your server-side code has absolutely no access to the certificates on the client machine. It only worked on your dev machine because your machine was both the server and the client at the same time. That's not the case...

X509 certificate, want to retrieve certificate from client personal store

N 24 Apr 2024 by withrj

x509 certificate, want to retrieve certificate from client Personal Store. X509 certificate .net framework workin on local machine. DSC certificate found but when same code hosted on server then server is not able to find client certificate. ...

update user logout status on browser close

N 23 Apr 2024 by Member 16250042

Not working about js. $(document.ready(function () { $(window).bind('beforeunload', function () { $.ajax({ url: "SignOut.aspx", }); }); }));

Couldn’t get equations in HTML when convert word .docx file to HTML file in C#.

N 23 Apr 2024 by M-Badger

I've not tested this but it would appear that the MS interop library version that you are using doesn't know how to convert images into MathML or LaTeX format. So either you need to convert them to MathML or LaTeX in the document before saving...

Couldn’t get equations in HTML when convert word .docx file to HTML file in C#.

U 22 Apr 2024 by Conduct dotnet

I have .net C# application in which I am extracting data from word file and save it in database particularly. To store word all data as it is I am converting the whole word file firstly in HTML and then checking html paragraph one by one. At the...

Show multiple partial views on page MVC

N 21 Apr 2024 by Member 16248063

there is 3 step in my solution: ---- first: create a helper that stringify the partial views so we can use them in the action method for passing it with json response to ajax. public static class PartialViewHelper { public static string...

How to submit html form for asp.net C#?with out using asp.net control?

U 19 Apr 2024 by Gerardo Gamo

I know this is very OLD, but NOW myself Im struggling with helping a project that of course also is very old, but anyway, as they are using Web forms or ASPX, here is what I have for anyone having the same issue 1. when working with ASPx, I...

How to view and edit the word document in another view in ASP .NET MVC

U 13 Apr 2024 by Dave Kreskowiak

You're going to have to get a hold of Syncfusion[^]. It's their control and they have the documentation and support for it.

How to view and edit the word document in another view in ASP .NET MVC

U 13 Apr 2024 by Shubham Sawant 2023

1.I want to Open the .docx(word file) in the View (.cshtml) where i want to see the word file and able to edit it. 2. Folder Structure: I'm working on the Jobseeker module and the .docx File uploaded by the Admin and that file present in the...

How can I authenticate the authorized user for approval through email?

10 Apr 2024 by Graeme_Grant

Quote: When Manager clicks either of the link, it hits the endpoint and their response is Captured in Database. To prevent sharing, the only option is for the intended recipient to log back in, then you verify both the account used to sign in...

How can I authenticate the authorized user for approval through email?

10 Apr 2024 by Pete O'Hanlon

I'm afraid you need to go back to whoever gave you the requirements and explain this is a monumentally bad idea, and also impossible to implement. If one manager forwards it to another, you can't prevent that, and you can't change the contents of...

How can I authenticate the authorized user for approval through email?

10 Apr 2024 by Vaithilingam Alagappan

When User raise a request for Access. User's Manager needs to approve the request through email. The email will have Approve and Reject link as API endpoint URL. i.e., Approve - https://example.com/api/approve, Reject -...

Build Rich Web Apps with ASP.NET Core and Sircl – Part 3 (b)

9 Apr 2024 by Rudi Breedenraedt

In this series, we will see how to build interactive web applications in ASP.NET Core with the help of Sircl.

How to get a pfx file from okta.cert file

9 Apr 2024 by nirmalamari

I entered the right password for the key. But still this issue. is .cert file different from .crt or .cet file

How to get a pfx file from okta.cert file

9 Apr 2024 by nirmalamari

I am exploring the option to use Okta SAML authentication. Since my evaluation period expired for Okta not able to ask in Okta site, so I thought codeproject forum experts might help. When we register a website in Okta, we get a 509 certificate...

Asp.net web forms user authorized page

9 Apr 2024 by Pete O'Hanlon

You probably want to start by reading and implementing authentication using Use ASP.NET forms-based authentication - ASP.NET | Microsoft Learn[^]. To control access to web pages, and folders of pages, use Control authorization permissions in...

Asp.net web forms user authorized page

8 Apr 2024 by Member 16239575

Hello, I want to do user-based page authorization with asp.net web forms. What I want to do is to take the role of the user while logging in from the users table in the database and control which pages he can access there, for example, let the...

How to move controls freely in visual studio 2022, ASP.NET website

2 Apr 2024 by kmoorevs

Tables/nested tables are the way to handle layout.

How to move controls freely in visual studio 2022, ASP.NET website

2 Apr 2024 by Dave Kreskowiak

You really don't want to use the designer to layout web pages. That's going to generate a ton of inflexible HTML that you're going to have to rip out and redo for a really flexible page layout when screen sizes change. You typically just write...

How to move controls freely in visual studio 2022, ASP.NET website

2 Apr 2024 by Jo_vb.net

Check if Tools > Options > Web Forms Designer "Legacy Web Forms Designer" is selected.

How to move controls freely in visual studio 2022, ASP.NET website

2 Apr 2024 by Rama2F

I'm trying to move the controls (label, textbox, etc..) freely on the [Design] screen of an [ASP.NET Web Forms Site] template, using VS 2022. What I have tried: I know that to achieve it, I should ... select the control I want to move around...

Asp.net IP web streaming camera

28 Mar 2024 by Member 8410010

you can use Hikvision SDK, but for this you need hikvision camrea as well.

Button click event call twice during auto page load.

27 Mar 2024 by Manoj B. Kalla

hi, 1. Take backup of page aspx and aspx.cs and Fresh start. 2. AutoEventWireup="true" and EventValidation setting 3. Double click on button and paste the code of click. Hope this will help

How do i...create pie chart in VB.NET

27 Mar 2024 by Richard MacCutchan

.net pie chart - Google Search[^]

How do i...create pie chart in VB.NET

27 Mar 2024 by Member 16231578

looking for source code to create pie chart in vb.net. What I have tried: nothing yet ... looking for setting it up. Have alreadt created project in visual studio.

How do I create an ASP.NET website in VS 2022

27 Mar 2024 by Richard Deeming

"Website projects", which have no project file, have been deprecated for over a decade now. You can still open existing ones, but in order to create a new one, you need to install the "additional project templates": Can't find the 'create new...

How do I create an ASP.NET website in VS 2022

27 Mar 2024 by Richard MacCutchan

Take a look at Tutorial: Create C# ASP.NET Core web application - Visual Studio (Windows) | Microsoft Learn[^]

How do I create an ASP.NET website in VS 2022

27 Mar 2024 by Rama2F

I am having trouble creating/opening a website project in VS 2022. (It opens like a 'project' not 'website') Our professor gave us this video: 02 Creating a Web Forms User Interface vb - YouTube[^] I am trying to recreate in VS 2022, but I'm...

Challenges in Migrating ASP.NET Apps to Containers #3 – OpenSSL Issues

22 Mar 2024 by Mohammad Elsheimy

Configuring OpenSSL minimum version and legacy renogetiation

ASP.NET 8 – Multilingual Application with Single Resx File – Part 4 – Resource Manager

21 Mar 2024 by Mark Pelf

A practical guide to building a multi-language ASP.NET 8 MVC application

How to store the user action from email to database in ASP.NET MVC

20 Mar 2024 by Andre Oosthuizen

Quote: Once the user clicks on the action, it should not work for the second time. Based on this it seems that you already check and save the record with a true/false returned value. It further seems that when a user clicks on the link/button a...

How to store the user action from email to database in ASP.NET MVC

20 Mar 2024 by Dave Kreskowiak

It's not entirely clear what you're doing or even how this email is sent or what you expect to happen when the user gets the email. But, generically, if the user has to approve something on a website, you would include a link in the email that...

How to store the user action from email to database in ASP.NET MVC

19 Mar 2024 by Graeme_Grant

Quote: No I'm not asking to do my work. I'm asking for an approach or idea which I can implement in my application. The concept would be to have the following in a table in your db: * user Id * Job Id (Guid) used in the link for the email * Job...

Asp.net session id passing more than 1 attribute

19 Mar 2024 by mtoha

Yes, you can use Newtonsoft.JsonSerializer. Json.NET - Newtonsoft[^] Bind your data to one object instance (i.e LoginDataModel), and Serialize string json representation on LoginDataModel dataSession = new LoginDataModel();...

How to store the user action from email to database in ASP.NET MVC

19 Mar 2024 by Vaithilingam Alagappan

Hi, I have to implement a feature in our web application to capture the user action like approve/reject from email to database. Planned to trigger the email through scheduled job which contains Approve/Reject link or button. The user action...

How to disable auto set UserName & Password when type is Password

19 Mar 2024 by Osama Kadora

TextBoxPassword.Attributes.Add...

Asp.net session id passing more than 1 attribute

19 Mar 2024 by Member 11478798

I have an asp login page connected to sql database. user logs in based on information matching the sql table. I have also got a session functioning. I am i the very early days of my project. so after i log the user in they are redirected to a...

How do I hide an ASP.NET element within a listview based on value of code

18 Mar 2024 by Richard Deeming

You were so nearly there! :) The Visible property is a bool, but you are trying to set it to a string. Change the markup to: '> ...

ASP.NET 8 – Multilingual Application with Single Resx File – Part 3 – Form Validation Strings

15 Mar 2024 by Mark Pelf

A practical guide to build a multi-language ASP.NET 8 MVC application

ASP.NET 8 – Multilingual Application with Single Resx File – Part 2 – Alternative Approach

13 Mar 2024 by Mark Pelf

How to build a multi-language ASP.NET 8 MVC application

How do I hide an ASP.NET element within a listview based on value of code

12 Mar 2024 by Andre Oosthuizen

The easiest way to do this is to use a code-behind approach. In your 'ItemDataBound' event of the 'ListView', you can find the 'PlaceHolder' control and set its visibility accordingly - protected void ListView1_ItemDataBound(object sender,...

How do I hide an ASP.NET element within a listview based on value of code

11 Mar 2024 by Dino the Sink

I am building an ASP.net raffle ticket system. I have a handfull of different raffles that will list details about them (type of raffle, prize won, date of drawling and prize of a ticket) below that i have a link formatted to look like a button...

How to solve this while generate json value of type cannot be converted to system.collections.generic.list? .

10 Mar 2024 by Pete O'Hanlon

You are trying to deserialize a single instance of the ValueAddedService and pass this into the API. That would be fine if you were working with a single instance, but you actually deserialize into a list, which you are sending to the API.

ASP.NET 8 – Multilingual Application with Single Resx File

6 Mar 2024 by Mark Pelf

A practical guide to build a multi-language ASP.NET 8 MVC application

Scrutor in C# – 3 Simple Tips to Level Up Dependency Injection

1 Mar 2024 by Dev Leader

In this article, I’ll provide you with a high-level overview of Dependency Injection and Scrutor in C#.

Why session state is not working

24 Feb 2024 by Student_abc

When I click the Add Button on the admin page, I want it to display the total unit number of each bloodgroup on the user page. So here, I used session state to display it, but still, it's not working and is not showing any error. I also made...

Why session state is not working

24 Feb 2024 by OriginalGriff

Look at your code: Session[BloodGroup1 + "TotalUnit1"] = TotalUnit1; And if (Session["A+_TotalUnit"] != null) { Label3.Text = " " + Session["A+_TotalUnit"].ToString(); } The index names...

Challenges in Migrating ASP.NET Apps to Containers #1 – Multiple Active Result Sets

23 Feb 2024 by Mohammad Elsheimy

One of the major issues encountered when connecting to databases after porting ASP.NET app to Docker Linux containers.

AspNetDeploy 2024 Part 1: The Demo

20 Feb 2024 by Alexnader Selishchev

Nocode open source CI+CD for ASP.NET apps

ASP.Net Button click

13 Feb 2024 by mikequo

Quote: Thank you very much for this tip of yours. After all the other clever advice that led nowhere, this was exactly the simple and reliable solution. So, simply assign an ID to the button, even if you don't need an ID for the button. But just...

Send italian PEC with ASP.NET

6 Feb 2024 by Member 13265435

Hi, why to send email italian PEC with asp.net? With my code it doesn't send emails thanks Best regards Salvo What I have tried: Dim myMail As New MailMessage() Dim fromEmail As String = "emailpec" Dim toEmail As...

Send italian PEC with ASP.NET

6 Feb 2024 by Dave Kreskowiak

You might also want to check the name of the SMTP server. You have to use a fully qualified DNS name for the server, which is most definitely NOT "smtppec". You can get the correct name from the documentation of whatever mail service or ISP...

Send italian PEC with ASP.NET

6 Feb 2024 by OriginalGriff

The most likely reason is simply that emailpec is not a valid email address, which is always of the form username@domain Without a valid to and from email address, nothing is going to happen. I'd also check your password, and your protocol type...

How to stop refreshing parent page after button click event trigger in child page

2 Feb 2024 by Member 14091458

I tried OnClientClick="return false;" in my button click and it worked for me. Ex: use...

This is ASP.NET application I have created. But I cannot connect this project to my database

1 Feb 2024 by cheesecake 2

I cannot understand how to connect this to the database. and if I want to convert this project into mvc how to do it. I am new to Asp.net and willing to learn this. please help. what are the good frontend languages for asp.net or usually we use...

This is ASP.NET application I have created. But I cannot connect this project to my database

1 Feb 2024 by M Imran Ansari

Refer to the article below to initiate your learning process. The Note section contains some valuable links that can be really helpful for your understanding as a beginner. Beginner's Guide for Designing ASP.NET MVC Applications using SQL Server...

Button click event call twice during auto page load.

30 Jan 2024 by abid zindran

Unexpected behavior such as a button click event being called twice in an ASP.NET application, particularly when it's observed only in IIS and not during code debugging, What I have tried: I am using loading bar on any button click with the...

How can I view the data from drop-down list item for specific item choosed

25 Jan 2024 by Member 14809574

protected void DropDownList1_SelectedIndexChanged(object sender, EventArgs e) { string selectedValue = DropDownList1.SelectedValue; DisplayDataForSelectedItem(selectedValue); } private void DisplayDataForSelectedItem(string...

how to handle PageIndexChanging in gridview

25 Jan 2024 by Member 14809574

protected void GridView1_PageIndexChanging(object sender, GridViewPageEventArgs e) { // Set the new page index GridView1.PageIndex = e.NewPageIndex; // Rebind the GridView with the updated page index BindGridView(); // Implement...

My web application face the Hindi Fonts Issue

25 Jan 2024 by Nirav Prabtani

Your website does not behave properly with all browsers because of the font used. Indian language fonts are mostly not as regular as latin fonts, and many of the symbols are supposed to be overlapping - one character might have to appear above or...

How can I view the data from drop-down list item for specific item choosed

24 Jan 2024 by Ali amer Kinan

I have an asp.net framework page in C# that contains several text boxes and buttons. Each of these buttons contains a CRUD operation. The page also contains a drop-down list of items linked to the local database. How can I make this list display...

Sensitive cookies not marked as secure

21 Jan 2024 by Antony Durai

We have a Application which uses single sign on (SSO) for authentication and need to Secure the Cookies ( Asp.net Session id and SSO Cookies). I have enabled tag by adding in Web Config When I run the application...

Override Date, Time, Currency and Number Formats in ASP.NET Applications

18 Jan 2024 by Lance Ford

Step-by-step guide to enable an ASP.NET web application to override date, time, currency and number formats.

Using Google OAuth 2.0 as User Sign-In for ASP.NET in C# - A Basic Overview

18 Jan 2024 by adriancs

Integrate Google OAuth 2.0 with ASP.NET in C# for seamless user authentication

Add HTTP Request/Response Logging to an ASP.NET Framework Web Application With No Code

12 Jan 2024 by Lance Ford

A walkthrough to enable request/response logging to an ASP.NET web application (or web service) by using an IIS module.

How to show and hide password by click on eye in ASP.NET C#

9 Jan 2024 by Member 16179780

👁 function togglePassword(obj) { ...

Get total tweets count of twitter account

8 Jan 2024 by Member 16179425

# import the module import tweepy # assign the values accordingly consumer_key = "" consumer_secret = "" access_token = "" access_token_secret = "" # authorization of consumer key and consumer secret auth =...

The server tag is not well formed for onchange method in listview ASP.NET

5 Jan 2024 by Richard MacCutchan

This is the same issue as the question you posted yesterday at The server tag is not well formed for linkbutton in the gridview[^], and you have been given a solution.

The server tag is not well formed for linkbutton in the gridview

4 Jan 2024 by Richard Deeming

Aside from the mis-matched quotes, adding an unconditional return to the OnClientClick will break the behaviour of the LinkButton, since it relies on executing additional JavaScript after that code has executed. Try:

The server tag is not well formed for linkbutton in the gridview

4 Jan 2024 by uniservice333

hi guys i have used linkbutton in the gridview itemtemplate but i got this error "The server tag is not well formed." i'm checked all close tags but i think is ok

How to use a manual private RSA key for encryption in C#?

2 Jan 2024 by Nani Nagendra

public string GetEncryptValue(long connectionNumber) { long creditCardNumber = (connectionNumber); string publicKey = ConfigSettings.GetMobikwickEncrypKey(); string encryptedCreditCard =...

After installing microsoft.aspnet.friendlyurls to hide .aspx from URL, the website is showing 500 internal server error only on mobile devices, but it works fine on the desktop.

23 Dec 2023 by 2techbrothers development

After installing Microsoft.AspNet.FriendlyUrls to hide .aspx from URL, The website is showing 500 internal server error only on mobile devices, but it works fine on the desktop. Code in RouteConfig.cs using System; using...

Correct code to change ASP:textbox text with javascript

22 Dec 2023 by Gerry Carter

Fantastic! It all works now. Thank you all very much. I used ClientIDMode="Static" for the objects where the values had to be changed. This included three asp:TextBox(es) and one asp:DropDownList. The JavaScript then became very simple. ...

How to subtract total amount and amount paid and display the answer in another textbox

22 Dec 2023 by FirdousNasreen

$(document).ready(function () { $("#AmountId").change(function () { var a =...

Correct code to change ASP:textbox text with javascript

21 Dec 2023 by Richard Deeming

WebForms "mangles" the IDs you set to ensure they are unique across the entire page. This is particularly important in data-bound controls, where the same template can be repeated multiple times. If you view the source of your page in the...

Correct code to change ASP:textbox text with javascript

21 Dec 2023 by Andre Oosthuizen

The following should do the trick - function MakeScoresZero() { document.getElementById("TimeMins").value = 0; document.getElementById("TimeSecs").value = 0; }

Correct code to change ASP:textbox text with javascript

21 Dec 2023 by Gerry Carter

I have an aspx webform with asp.TextBoxes for the user to input numbers. If they then click on a CheckBox these numbers should change to zeroes. The problem is that they do not change. These are examples of the TextBoxes -

ASP.NET Interview Questions and Answers on JWT Token Security

20 Dec 2023 by Shivprasad koirala

In this article, we break down some most asked interview questions on Security part in ASP.NET MVC.

Set dropdownlist selected item with database value in listview

19 Dec 2023 by uniservice333

i have dropdownlist of users list which is coming dynamically from database.i have filled the dropdownlist using object datasource on inserting in the listview control it is working fine. my problem is that when listview bind rows, I want the...