Click here to Skip to main content
15,886,055 members
Everything / Web_application

Web_application

web_application

Great Reads

by Danny Chu
Learn how to detect if client has JavaScript enabled or disabled at your backend webserver
by veen_rp
A small JavaScript module to create a modal dialog box or user input box in the familiar .NET style
by Richard Eng
A tip for creating a web application using the easiest programming language and framework you can imagine
by lakhdarr
Control and directives for address form auto completion using Google map V3 and JQuery/AngularJS

Latest Articles

by Adrian Wadey
Using httpListener, WebSockets and JavaScript to add a remote control for a Windows Forms program
by GauravGahlot
In this article, we are going to set up a Release Trigger to automatically deploy our application on Azure App Service as a Docker Container, each time we push our code.
by MukeshKumarTech
This article will demonstrate you about what Azure Web App is and how can you create it and deploy your own files using FTP client.
by Richard Eng
A tip for creating a web application using the easiest programming language and framework you can imagine

All Articles

Sort by Score

Web_application 

29 Nov 2017 by Danny Chu
Learn how to detect if client has JavaScript enabled or disabled at your backend webserver
13 Oct 2017 by veen_rp
A small JavaScript module to create a modal dialog box or user input box in the familiar .NET style
12 May 2018 by Richard Eng
A tip for creating a web application using the easiest programming language and framework you can imagine
24 Jan 2016 by lakhdarr
Control and directives for address form auto completion using Google map V3 and JQuery/AngularJS
10 Sep 2019 by GauravGahlot
In this article, we are going to set up a Release Trigger to automatically deploy our application on Azure App Service as a Docker Container, each time we push our code.
21 Jun 2016 by Sergey Alexandrovich Kryukov
The method CreatePassword has two return statements. If ModelState.IsValid evaluates to false, nothing is returned. In case of true, if uname == null still nothing is returned.return JsonConvert.DeserializeObject… — please provide error information. Something can be missing,...
12 May 2018 by Richard Eng
The easier, quicker way to develop front-end web applications
28 Jun 2014 by Sergey Alexandrovich Kryukov
Your request is way to vague to make a real question. You did not formulate any real problem except you pure familiarity with technology and architecture. As there is no such thing as miracle, nobody can give you all this knowledge in one Quick Answer (this forum is called Quick Questions &...
17 Oct 2015 by José Cintra
Tips for creating mathematical cross-platform applications in JavaScript and display formulas and other content with MathJax and JQuery Mobile.
2 Apr 2018 by vijay vettri
Web application with MVC ->Currently I have a database with customer data and product details. The application has been using in only one country. Now going to globally use the web application. But the customers doesn't want their customer data leave out of their country. For example if we are...
12 Jan 2021 by Richard Deeming
You cannot embed an https site within an http site. And most sites will specify a content security policy[^] or the X-Frame-Options header[^] to prevent their site from being embedded within other sites. You cannot circumvent this. You need to...
1 Jun 2014 by Philip.F
Looks like an error message from the component (infragistic report viewer?).. You are probably better of checking the documentation.What you can try is to add a console.log($("#viewer")) above the problematic line, and to look at the properties of that object. If it's not a problem within...
1 Jun 2014 by Waqas Ahmad Abbasi
Problem was script path which i mentioned in default.html was ok, but these files have dependent scripts files and they were in different folder. checked in google chrome console and found problem files.
13 Jun 2014 by norbitrial
You need to add log4net.dll as a reference to your project and your solution will be built successfully.
29 Jun 2014 by Raul Iloc
You should used ASP.NET MVC that is an extension of the ASP.NET.I have a series of 4 articles about this subject and this is the first one and it explains also the structures of the ASP.NET MVC projects: MVC Basic Site: Step 1 – Multilingual Site Skeleton[^]The using of AJAX in ASP.NET...
25 Sep 2014 by Kim Togo
Look at the source code for Gett.NET, it can up- and download files from a web serverGett.NET - A library for Ge.tt Web Services[^]
25 Sep 2014 by Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ)
Refer1. How to: Upload Files with FTP[^]2. Upload file to server using FTP[^]
29 Nov 2014 by mark zuck
whenever i am trying to run my unity webplayer game in chrome, i am getting this error and after refresh it stuck and never plays.does any one have an idea what should i do ?
22 Dec 2014 by PIEBALDconsult
You should have a translation table for referential integrity, you would then query that table, not the employee table.EmpTypeID Name1 Permanent2 Temporary3 SeasonalEmployeeID EmpType Name ...1 1 Bob2 1 Joe3 2 Bill
30 Dec 2014 by Richard MacCutchan
See Peter Leow's suggestions at Android client server application[^]
2 Mar 2015 by Solai Raja
the Code you have written is good only, try attribute OnClientClick = "return false"
23 Apr 2015 by Sergey Alexandrovich Kryukov
You cannot directly use some arbitrary application as a Web application; it's always better to use some API.However, if this is a console-only application, you can start it using System.Diagnostic.Process.Start, redirect StandardOutput and, just in case, StandardError streams and later...
15 Jun 2015 by ZurdoDev
I suggest you use a language you already know, assuming that it supports all the features you need. There are many to choose from so just start with what you already know. Bonus is you'll likely learn a ton by doing this project. I think it's a great idea.
6 Feb 2016 by Dave Kreskowiak
The only people who can answer that are the ones whose posts you're trying to repost. Licensing varies from blog to blog.
10 Feb 2016 by Richard MacCutchan
That is quite a big ask if you know nothing about programming. You will need to learn one of the .NET languages (C# or VB.NET) which is not a 1-day task. You will also need to learn HTML, Javascript (or PHP) and the fundamentals of how websites operate. The chances of being able to complete this...
7 Sep 2016 by F-ES Sitecore
This isn't really a programming question, more a system admin one. First off don't use gmail to send emailThings you shouldn't spend time doing | The ASP.NET Forums[^]You need your company sys admin to tell you what company smtp server you can use to send emails through, what port to...
4 Apr 2018 by Wendelius
This is an extremely good question. Few things that come in mind: If the databases are autonomous and do not need almost any information from each other, then separate database servers would probably be the easiest solution. The client application would only be configured so that it connects...
18 Oct 2018 by CHill60
I suggest reading the documentation first - Connecting to Oracle Database[^] - Database Web Services[^] The best language to use is usually the language you know best, but there are probably more examples available in Java. Give it a go but come back with a specific question if you get stuck
13 Jan 2019 by Vincent Maverick Durano
As already noticed by a few members, your code is bad and your logic is messed up. First off, you should NOT append the values of your TextBox to your SQL statement as it could potentially leads you to SQL Injection attack. Here's an article that I wrote a while back the demonstrate how...
16 Jan 2019 by F-ES Sitecore
In the load event you put the connecting string in "constring" but you use "str" when opening it, which is a string variable you haven't put anything in yet. Also you define constring in the load event so it isn't available outside of that event. Change the code to namespace NovletyShop { ...
8 Jul 2021 by Felix Fosu
Hello everyone, I am new to web API and i need to implement a call back url for a web service.I am able to post a request to the uri and receive a json response from the post. I am expected to implement a callback to receive the status of my...
4 Sep 2021 by OriginalGriff
Surely, Admin references Security, which has a report-back mechanism? And Security references Communicator which should report back to it? OOPs principles means that Admin "knows about" Security (because it has to to do it's job) but Security...
19 Jan 2022 by CHill60
Simplest approach - Use the concept of repeated filtering if(age == 12) { if(gender == "male") { if(grade == 2) { ... } } } You will only have as many ifs as you have attributes
19 Jan 2022 by OriginalGriff
Build it up as a string collection: each attribute calls a method which appends to a List if the associated check is ticked. When you've assembled them all, use string.Join[^] to combine them: string sql = $"SELECT * FROM MyTable WHERE...
18 Sep 2022 by CPallini
Here some insight: Pseudocode - Wikipedia[^].
23 Nov 2022 by Richard Deeming
If you're using a Chromium browser (Chrome, Opera, or a relatively recent version of Edge), then you should be able to use the "paged media" CSS rules to control the orientation and margins: Paged media - CSS: Cascading Style Sheets |...
10 Dec 2022 by OriginalGriff
This is one of the most common problems we get asked, and it's also the one we are least equipped to answer, but you are most equipped to answer yourself. Let me just explain what the error means: You have tried to use a variable, property, or a...
10 Dec 2022 by Dave Kreskowiak
Yeah, you missed something. Why is UserAsync (bad name by the way) static when it depends on the fields of the class being initialized before it's called? You never create an instance of the SeedData class, therefor the instance variables never...
10 Dec 2022 by CodeGuru84
The error you're seeing is a NullReferenceException, which occurs when you try to access a member of an object that is null. In this case, it looks like the _config field in your SeedData class is null when the UserAsync method tries to access...
29 Sep 2023 by OriginalGriff
It really depends now how you wrote the original application - if it's organised as separate modules: Presentation Layer, Business Layer, and Data Layer as separate Assemblies for example then it should be pretty simple to just respecify the PL...
9 Oct 2023 by Graeme_Grant
Still unsure which line is throwing the error... The full error message with stack trace would identify where the error occurred. Have you set a breakpoint and check the line with the error? At a guess, report.InCorrectMapping &/or...
9 Oct 2023 by OriginalGriff
Compiling does not mean your code is right! :laugh: Think of the development process as writing an email: compiling successfully means that you wrote the email in the right language - English, rather than German for example - not that the email...
1 Jan 2014 by Karthik_Mahalingam
Hi try this.. Page currentPage = HttpContext.Current.CurrentHandler as Page;if (this.Page != null && !this.Page.ClientScript.IsStartupScriptRegistered("ShowMessageBox")) { this.Page.ClientScript.RegisterStartupScript(typeof(Page), "ShowMessageBox",...
1 Jan 2014 by M.R.A.
Page.ClientScript.RegisterStar...
2 Jan 2014 by Ankit Roy
Hello, I have came across a Class file, changed it a bit to work for me, This method is very easy and works everywhere, IE, Chrome and Firefox others I have not tested.Just add this Class File to Your Projectusing System;using System.Collections;using System.ComponentModel;using...
11 Mar 2014 by hari111r
Hi,I want to use RD Web Access service in my server (Windows 2008 R2). Is that requires any license. After installed RD Web Access Service i am getting a notification says "No license server is specified".Can anyone please help me to find what the issue is exactly.Thanks in advance.
11 Mar 2014 by Peter Leow
Check this out: no-license-server-is-specified-for-the-rd-session-host-server?forum=winserverTS[^]
22 May 2014 by Manikandan10
You can't. There is no OpenFileDialog Control for ASP.NET. Why don't you use asp:fileupload control?
23 May 2014 by Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ)
SolutionYou can hide the FileUpload Control and on Button Click, just trigger the click() Event.Demo[Demo] Open File Selection Box on Button Click[^]
25 May 2014 by M.Rahmat
I am trying to import table contents from a ms access table to a jsp web page table , however I keep getting an error on line 31 although my code is fine, can someone elaborate me on whats wrong here?heres the jsp code :
27 May 2014 by Shubhashish_Mandal
Connection object getting null.Statement stmt = database.con.createStatement();Check makeConnection() method whether it actually return an object or else.
1 Jun 2014 by Waqas Ahmad Abbasi
Hi,I am trying to use HTML5 infragistic report viewer. But I get this error in java script "Object doesn't support property or method 'igReportViewer'" at this line $("#viewer").igReportViewerKindly tell me how to fix this issue. following is my code
5 Jun 2014 by jeevakumar.T
DateTime conv = Convert.ToDateTime(e.Row.Cells[3].Text); string dat = conv.ToString("dd-MMM-yy"); e.Row.Cells[3].Text = dat; e.Row.Cells[6].Text = dat; } if (grdv.Rows.Count > 0) { ...
5 Jun 2014 by Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ)
Read this awesome answer - String was not recognized as a valid DateTime.[^].
6 Jun 2014 by Yitzhak Stone
But while download file, the program continue execution.//Create a WebRequest to get the file FileWebRequest fileReq = (FileWebRequest)FileWebRequest.Create(this.CaminhoCompleto); //Create a response for this request FileWebResponse fileResp =...
6 Jun 2014 by DamithSL
if you know the date time format of the string in your database, you can use one of below method to convert it to a DateTime DateTime.TryParseExact Method[^]DateTime.ParseExact Method[^]sample code:string dateString = "Mon 16 Jun 8:30 AM 2008"; //
6 Jun 2014 by aarif moh shaikh
Try this code .. You will not get this error again... AARIFDateTime date = DateTime.ParseExact(e.Row.Cells[3].Text, "dd/MM/yyyy", null);
9 Jun 2014 by Dusara Maulik
Review my code below:protected void btnDowmLoad_Click(object sender, EventArgs e){ try { string strURL=txtFileName.Text; WebClient req=new WebClient(); HttpResponse response = HttpContext.Current.Response; response.Clear(); ...
10 Jun 2014 by prams joi
We are wanting to develop a Mobile App either a hybrid App or web app. Since Usability and performance are the main architectural drivers we are thinking Hybrid App is the best approach. But it is supposed to have these features. Because of development cost for each specific platform, Developing...
29 Jun 2014 by Member 10586290
I ended up using thisCall Server Side function from JavaScript in ASP NET
6 Jul 2014 by OriginalGriff
You should be able to upload the DLL to your host as part of the "Publish" process provided it is freely distributable and requires no licence, by including it in your BIN folder.If it requires an installation and / or a licence, then you will probably have to switch providers, and Kornfeld...
11 Jul 2014 by Peter Leow
Your question is not appropriate for this quick answers forum. Here we answer specific programming questions, not about research or how to start a project etc. If you want info on tutorials or books, they are plenty online.
23 Jul 2014 by Manish Kumar Namdev
I have created a Web API and in the same solution I have included another MVC project (Store App) and trying to consume the web api through jquery.ajax();I am receiving a CROS issue. But If I add the dataType: "jsonp" then I do not receive CORS issue but in console log I see the below...
23 Jul 2014 by pradiprenushe
Add this in your web.config ...
2 Aug 2014 by Afzaal Ahmad Zeeshan
If you want to build a webite, then I guess you can do that using ASP.NET Web API. ASP.NET Web API has got a solution for your requirement and you can implement it to your Application too. You can develop the ASP.NET Web Site using MVC architect and then add the Web API. Android application...
5 Aug 2014 by kedar001
i have installed git 1.8.31. Created a web Application in Visual Studio 2010;2. open it; right-click on solutions file3. select "Git Create repository";git Showing Status icon only for .sln file.for windows application it works fine.Show All Files with + sign (New file).
24 Sep 2014 by Alamgir Nasir
I have a .net C# service that creates a file automatically. How do I automatically upload the file to a web server? No idea how the web works, would be great if someone can point me in the right direction.
7 Oct 2014 by Sasmi_Office
Dear Friends'I have one process in which i have to generate 7 Reports and Export in Excel format.Once generation complete i have to consolidate this all Excel data in one single Excel file with required format change and Response to user.All done on Web base application created using...
20 Nov 2014 by Member 10874581
There was an error downloading 'http://localhost:42030/Service1.asmx'.Unable to connect to the remote serverNo connection could be made because the target machine actively refused it 127.0.0.1:42030There was an error downloading 'http://localhost:42030/Service1.asmx/$metadata'.
20 Nov 2014 by Mathew Soji
Check these links for similar issues and...
7 Dec 2014 by brain tees
You should do some search on this site. Its available hereUnity Player Needs Your Permission To Run In Chrome[^]
20 Dec 2014 by Mohd Wasif
Hi All,I am stuck in a problem here is my jquery code:$(document).ready(function () { $('#btnSubmit').click(function () { var companyId = $("#companyname").val(); var startDate = $("#startdate").val(); var endDate = $("#endate").val(); var...
22 Dec 2014 by Maciej Los
Before you start, please apply changes suggested in solution1 by PIEBALDconsult[^].You can achieve that by extracting emptype to new table:--create new tableCREATE TABLE EmpTypes( EmpTypeID INT IDENTITY(1,1) TypeDescription NVARCHAR(50))--insert empTypesINSERT INTO...
22 Dec 2014 by Mohd Wasif
Hi, In jquery ajax function I am passing token and id with header as below as a cross domain request$.ajax({error: function (xhr, status, error) { alert(error); }, beforeSend: setHeader });function setHeader(xhr) { ...
25 Dec 2014 by Nuthan Gowda
Hello, I'm confused on how the postback works in website and web application because, I have a button and in that I have given a sleep time for about 30 seconds and in another page on the same time when I try to do any activities like, click redirect etc.In Web application the above...
29 Dec 2014 by Imad_dz
hi guys,i have a problem in connecting my web application in javaEE, when i run the servlet i have an error : java.lang.NullPointerExceptionand this is a screenshot for the error : http://im51.gulfup.com/TnfWrg.jpg[^]this the code where i try to connect to the databasepublic class...
30 Dec 2014 by David Ferguson
I'm creating a map a walk project that uses Google Map APIs to map a walk either from a PC or mobile device using accounts. I have planned it so far that the user can input the walk route from A to B and the map will display. I want to be able to show when the map displays a written navigation...
18 Apr 2015 by Member 11393768
Can someone help me to understand how to do this API thing? The problem is, it doesn't display an output. Then, I have learned that the GET is not really needed(can be there or not) to be part of the code, but in this case, when I am deleting the GET I am getting an error output. This:
22 Jan 2015 by Shreekant kembhavi
Hi guys,I am handling a scenario in PhP where the input is in %XXXXX% format, where XXXXX can be any number of characters/numbers. The input will be sent to sql for processing (the main intention is to send the input that contains %TEXT% to sql).What I understand from the scenario is...
2 Feb 2015 by sagar wasule
Hi,I'm looking out to create a Catalog like stuff which a user can flip through on website.I'm visualizing it as a book opened on my screen.Can anyone provide any pointers to this, which technology will be best suited for such a development ?Also the catalog template should be dynamic...
2 Feb 2015 by Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ)
Here is a list of jQuery Plugins, you can try them out.8 jQuery Page Flip Book Effect Plugin Examples[^]
6 Feb 2015 by huicho
Hi,I have a requirement like, developed an ASP.net web application. I want to host this application for different companies with seperate database, but website shall be hosted only one copy in IIS. so, based on user login, the application should connect different database server.A user...
6 Feb 2015 by Afzaal Ahmad Zeeshan
You can use the globalization in ASP.NET web application of yours, or a simple method would be to use the UserID of the logged in user and show him the data that he has to see. Connecting to different database won't be a good idea (until your application is of enterprise level of...
21 Feb 2015 by Richard MacCutchan
You are already at one of the best sites in the world for articles and samples to help you. Go to http://www.codeproject.com/script/Content/SiteMap.aspx[^] where you will find a wealth of information.
21 Feb 2015 by Abhinav S
Web Widgets -Chapter 5: Creating Web Widget with HTML, CSS, and JavaScript[^]How to build a web widget (using jQuery)[^]Create Your Website's Widget in Minutes[^]Desktop Gadgets -Create Desktop Gadgets Using C# Window Application[^] http://www.codeproject.com/KB/gadgets/[^]
2 Mar 2015 by arunkx
I am trying to use simple jquery inside content place holder in my asp.net web application. While running the aaplication, it is working when the page gets loaded. After the page load, jquery stops working unfortunately. I hav placed my code below. Can anybody help?
18 Mar 2015 by Abhinav S
There is no easy way to convert a form application to a web application.The UI will be new, even if you use the same business logic.
18 Mar 2015 by Afzaal Ahmad Zeeshan
Before I answer your question, I want to question you... Do you have any idea what web development is, and where does web application run? If you're having a Windows-based application; and you've also mentioned .NET 2.0. Chances are that you're also using some of the .NET-based assemblies to...
30 Mar 2015 by Andy Lanng
Ok - in the code-behind you need to override the onInit method: protected override void OnInit(EventArgs e) { base.OnInit(e); ddlxmlScriptList.SelectedValueChanged += XmlScriptListSelectedValueChanged; }Then, when the dropdown value is...
4 Apr 2015 by DT_2
Hi,I am new in this section. I have to create the web services for android application.So I have just choose the MVC 5 and Web API 2 for the same. and creates a project.My code is done no issues in that. But when I published that and shares the base url with android developers they...
5 Apr 2015 by Rii93
I am new at Java EE programming. I am trying to make a sports' web project and I want to put a live streaming link in it.I have looked into how to do it and found these websites ( https://flowplayer.org/index.html , http://www.jwplayer.com/) I am not sure about that.Can anyone explain to...
15 Apr 2015 by Corey Avery
Hi everyone. This is my first post and I'm totally new here, so if I break any rules I apologize.I have a fairly complex (to me anyways) project I need done for my website, and I don't know where to find the right developer to work on it. I need a widget that third party site owners can VERY...
21 Apr 2015 by Member 11631705
Provide application set-up file and install it in the remote computer,root the application to your Database through public IP.
23 Apr 2015 by M-osab
Hello, i want to use an application of vulnerability scanner like nessus or metasploit, into my web application, someone told me that you can use it like a web services;what do you think ?
8 Jun 2015 by manish.communityhub
Here is my code for WindowsClassLibrary:using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Windows.Forms;using System.Net;using System.IO;using...
8 Jun 2015 by F-ES Sitecore
Windows dlls are not suitable for use in a web app. Just put the code in a class in your website and call it from there after making the relevant amendments. Also note that this isn't going to read anything from the client or save anything to the client, the file will have to exist on the...
8 Jun 2015 by OriginalGriff
You cannot use Windows forms in a web environment: they are totally different. For one thing, C# code is Server based - which means it always executes on the Server, not the Client. So even if you could get it to run (which you can't. IIS isn't set up for that) whatever was displayed would be...
15 Jun 2015 by Moomaw
Hi, I need some advice on a project I want to do. I want to build an online application but am not sure what language to build it in or what type of server software I need. My Project: I want to build a schedule system, nothing too fancy, I'm not building an enterprise system....