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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

How to run a web application(ASP.NET) built using visual studio 2013 on a usb flash drive?

17 Apr 2017 by #dev_Preet

i made an asp.net based web site using visual studio 2013 ,and want to run that web site in usb flash drive , is there any application which might help me regarding this problem? What I have tried: when i used tools which are developed for this job like cassini dev etc i got : Configuration...

Problem in coding

7 Jan 2010 by #realJSOP

I suggest you find another line of work. Maybe... running the machine that puts ridges on the sides of checkers.

Incorrect Syntax near WHERE

8 Jan 2010 by #realJSOP

The first thing I would do is evaluate the string in the debugger BEFORE it's sent to your stored procedure. At that point, you can paste it into SQL Manager Express and try the query there to see WHERE your problem is.

SQL-Server-2005

How can I get the path of a dynamically created link when clicked?

17 Jan 2010 by #realJSOP

You could use Linq-to-XML to parse the a tag and retrieve the href attribute. That will give you the link itself.

Html.Image helper method

18 Jan 2010 by #realJSOP

You probably have to use javascript to get the size of the div (assuming it has an ID assigned to it), and then you can scale the image to fit.

adrotator,xml,datasource

18 Jan 2010 by #realJSOP

You don't have to post the same question multiple times.

Pick ImagesFiles from client machine to show on Web Site

20 Jan 2010 by #realJSOP

I wouldn't visit a site that I knew could scrape files off a client machine. In fact, I'm pretty sure that unless you convince the user to install an ActiveXcrement module, this is pretty much impossible to do.

How to create menu like "Code Project.com" in ASP.Net

21 Jan 2010 by #realJSOP

It's pretty much done with a combination of CSS and javascript. I go to this website[^] when I need some css/javascript guidance.

Database problem

22 Jan 2010 by #realJSOP

You need to establish two connections - one to each server.

an idea about how to design online examination project in asp.net visual studio 2005 using c#

25 Jan 2010 by #realJSOP

I suspect you won't get a very good answer, considering you appear to want someone to actually write the site for you.

how to asyncronous programming

25 Jan 2010 by #realJSOP

How - there are many ways depending on what you're doing.When - when you're performing a long operation and don't want the web page to die on your users.Google "asp.net multi-threading"

What is limitaion count of nested master pages

25 Jan 2010 by #realJSOP

I googled it and couldn't find an answer to this. I wouldn't push on it (nested master pages) too hard though, because you'll probably find the limit at the worst possible time. :)

OpenFileDialog in asp.net

1 Feb 2010 by #realJSOP

Did you see this?File Upload with ASP.NET[^]

Handling Stored Procedure Exception

3 Feb 2010 by #realJSOP

You can't technically throw an exception from a stored proc. You candle them *in* the stored proc and return some sort of an error message back to the calling front end (through the SqlCommand.Parameters property).If you don't handle the exceptions in the stored proc itself, the framework...

DeSerializing the SOAP message

4 Feb 2010 by #realJSOP

A google search found this among almost 30,000 results:http://www.soapuser.com/basics4.html[^]

Give me some Guidelines -- Remote Desktop

5 Feb 2010 by #realJSOP

Windows comes with a remote desktop service. If you don't like that one, try VNC.

how to create a social or community website like codeproject

10 Feb 2010 by #realJSOP

I think this question is too broad to be answered in Quick Answers. I believe the source code to this site is generally available, but if it is (and I were you), I'd only use it as an example to solve various problems you might encounter when developing your own site.All that being said,...

Implementation of Licencing in asp.net

15 Feb 2010 by #realJSOP

Just implement authentication on the page. If this group of users never changes (or infrequently changes) I would consider creating a group on the web server, give those users an account on the box, and put them into the group that is allowed to access the web app. That way, the we app can ask...

SQL-Server-2005

how can i convert html file into pdf file using asp.net

17 Feb 2010 by #realJSOP

Ever heard of google?Programmatically Convert Documents to PDFs the Easy Way[^]

How to .inc file in aspx page

18 Feb 2010 by #realJSOP

Deleted because it's the same question posted a 2nd time.

How to hande timezones in asp.net c#

20 Feb 2010 by #realJSOP

Have you tried search google?http://articles.techrepublic.com.com/5100-10878_11-6016329.html[^]or maybehttp://www.onlineaspect.com/2007/06/08/auto-detect-a-time-zone-with-javascript/[^]With just a little effort on your part, you wouldn't have had to wait for an answer.

treeview control in windows app

21 Feb 2010 by #realJSOP

I don't have a tree control handy in an app, but see if there's a SelectedItem property, and if there is, set it to null.

The request failed with HTTP status 401: Unauthorized.

3 Mar 2010 by #realJSOP

In IIS, you need to set permissions on the web app/virtual directory.

want tip to create a light weight asp.net websites

3 Mar 2010 by #realJSOP

Tip for lightweight asp.net web site:Don't use a lot of HTML or code-behind.

Resolving Paths in a Multi-Folder WebSite

23 Jun 2010 by #realJSOP

A low-impact method for getting the appropriate path on a web page.

send mail in asp.net

5 Mar 2010 by #realJSOP

Unless you have a mail server on your local box, that won't work.You probably also need some credentials (userID/password) to send/read mail on your mail server. If you don't need those things, you have no business running a mail server that's exposed to the internet.Lastly, turn off...

using image server control i need code for rotate and flip,zoom,color cahge in asp.net with c#

5 Mar 2010 by #realJSOP

This has nothing specifically to do with asp.net. It's a matter of using the framework.A simple google search revealed this method for rotating an image (using C#).#public static Image RotateImage(Image img, float rotationAngle){ //create an empty Bitmap image Bitmap bmp =...

How to create paging in a grid view like ?

10 Mar 2010 by #realJSOP

Try googling this: "asp.net paging in a gridview". I found 78,000 hits.

How to select single radio button in gridview?

10 Mar 2010 by #realJSOP

You're going to have to ask better questions if you want help.

Hosting Problem

14 Mar 2010 by #realJSOP

Yes, you can use IIS.The answer regarding *how* to do it is a broader subject than Quick Answers is intended for.Google is your friend.

Hosting Question

14 Mar 2010 by #realJSOP

Once again, *how* to host a web site is beyond the purpose of the Quick Answers intended use. Use Google to find out how to install and configure IIS on your operating system (Windows version) of choice. If it's really that urgent, you'll go ahead and google it. You'll get MILLIONS of...

Getting parameters from URL link

18 Mar 2010 by #realJSOP

The page the user goes to could simply pull the email address out of the query string and perform whatever action you want, and hen present the user with the status of the action.Where exactly is your issue?

System.Web.HttpUnhandledException using third party services.

19 Mar 2010 by #realJSOP

First, I suggest that you contact the 3rd part and ask them. Second, make your page do essentially nothing, and see what happens. If it's okay, start adding back stuff until it generates the exception again.

Getting erorr "WebForm_PostBackOptions" vs2010

19 Mar 2010 by #realJSOP

What gives you the idea that your question is at all answerable, given the complete lack of information you've provided?I googled that error, and of the over 10,000 hits returned, this was the third...

Insert record in data base and return auto increment field value.

22 Mar 2010 by #realJSOP

Imagine... If you had googled this (like I did), you wouldn't have had to wait for an answer...The following line will tell you the last identity that was entered into the specified table.SELECT IDENT_CURRENT(‘tablename’)

SQL-Server-2005

Want To Display Ajax Tool tip

24 Mar 2010 by #realJSOP

I googled "ajax tooltips" and got over 560,000 hits. I didn't investigate any of the links, but from the descriptions, they looked like they would be applicable. Chances are you're not going to find something that's a precise fit for your needs. That means that you'll have to fall back on your...

How to create Virtual directory in asp.net with c# code

25 Mar 2010 by #realJSOP

I would be surprised to hear that Windows would allow a web site to modify the local IIS configuration (or even a remote one).

how to restrict postback on entire page in asp.net

25 Mar 2010 by #realJSOP

Guess what, I found both answers with ggogle...Ramesh Reddy11111 wrote:how to restrict postback on entire page in asp.neRemove the runat="server" attribute from the controlYou can also add an onclick attribute to the control and return true...

How to change the update row text color in Gridview?

26 Mar 2010 by #realJSOP

In your button's click handler, change the background property of the desired cell(s).

How do I make a database insert id instead of creating duplicate records.

29 Mar 2010 by #realJSOP

You need an integer column in the table that is set as the primary key and auto-incrementing (an "identity" column).

Error creating custom Textbox Control

1 Apr 2010 by #realJSOP

Where - exactly - in the code are you getting the error, and why aren't you just using a Validtor instead to make sure the user entered something?

How to Refersh ModalPopupExtender?

1 Apr 2010 by #realJSOP

Set the edit fields to be empty manually on a page load.

ASP.net application Hosting

4 Apr 2010 by #realJSOP

If your hosting service plan does not explicitly state that it supports ASP.Net, then it doesn't. ASP.Net support usually costs a a lot more than you'd want to pay anyway, so your best bet is to run your own server (if it doesn't violate your ISP's acceptable use policy).

images not displaying on website

6 Apr 2010 by #realJSOP

Either your path is wrong, or the image file doesn't exist where you said it does. Make sure you're using relative paths.

in asp.net is there code available for web conferencing

7 Apr 2010 by #realJSOP

Have you considered using google? That's what we would have to do to answer your question...

Context Menu in ASP.NET

9 Apr 2010 by #realJSOP

Not only yes, but if you had Googled it, you would have found this as the very first hit:http://msdn.microsoft.com/en-us/magazine/cc163848.aspx[^]

Convert XML to HTML in order to change colours of tags and values

14 Apr 2010 by #realJSOP

You don't have to change it to XML. Get the HtmlAgility library, and use that. You can find it on CodePlex, and I'll leave the googling to you.

How to correct the connection string of access database?

14 Apr 2010 by #realJSOP

Make sure that the service class inherits from System.Web.Services.Service.Without this you don't have access to the Server object.

how to handle dynamic image button click event.?

20 Apr 2010 by #realJSOP

If you don't show us your code, we can't help you.

problem with upload image in asp.net and error with create

24 Apr 2010 by #realJSOP

Why do you have curly braces at the end of this line :imgByte = New Byte(File.ContentLength - 1) {}

button click event does not fire when using form method="post"

25 Apr 2010 by #realJSOP

Show us the applicable code that already have.

Configure Data Source; 'add connection' pop-up disappears

26 Apr 2010 by #realJSOP

I've never heard of that before. Maybe you need to reinstall Visual Studio...

Value of label does not display at run time

28 Apr 2010 by #realJSOP

Why don't you use a class data member in the code-behind, set the value of that data member and use if in your HTML instead of setting the label's text property.In the code-behind:public class myclass{ public string mylabel = "";}In the HTML: You...

Implementing Https and SSL

28 Apr 2010 by #realJSOP

If it really was urgent, you would have googled it.

About mail server

1 May 2010 by #realJSOP

This is not an appropriate question. This is a programming site, not a "where can I host my mail server" site.

how can i Upload a file to website using vb.net or asp.net

1 May 2010 by #realJSOP

Yeah, but you would have to use the WebClient object to do it. You need to request the upload page, parse the response so that the appropriate page control contains your filename, and then post it back. It's not trivial, but it's not hard either.

web_development

To Add Article with source code

3 May 2010 by #realJSOP

I'm with Christian on this one. If you can't navigate the Submission Wizard, I seriously doubt you could follow even more instructions.

Get Enum Data Values

4 May 2010 by #realJSOP

In the interest of using correct nomenclature, the member of an enumuration is called an "ordinal". To get the ordinal value of the enumerator, simply cast it to the appropriate type (normally an int).I also wrote a tip/trick regarding the setting of enumerators from untrusted...

Code for displaying the latest addition in database

5 May 2010 by #realJSOP

You haven't given us enough info to answer the question accurately, but if your table has a identity column, you can simply do this :select top 1 * from table order by identitycolumn desc

problem of "page alignment"

6 May 2010 by #realJSOP

There are a couple of ways you can do this, but the easiest is to do this:your existing content goes here

how website making better

9 May 2010 by #realJSOP

By considering your audience, the tools you have on hand, and your willingness to buy the necessary libraries and toolkits when you realize that you have the design skills of a two-slice toaster.Using Silverlight doesn't guarantee anything. How hard do you want to work at it?I suppose...

Encryption compatible with Java and ASP.NET

12 May 2010 by #realJSOP

You're going to have to write one routine in Java, and then one routine in .Net. As long as you use the same encryption algorithm with the same vectors and keys, the result should be the same. The same holds true for decryption.

Auto response in asp

14 May 2010 by #realJSOP

When the user clicks the button to submit, have the 2nd page redirect to the first, and load the text from the session var into the text field.

Update panel to update specific area

15 May 2010 by #realJSOP

I googled "C# ajax using an updatepanel", and this was the first of 143000 hits:http://msdn.microsoft.com/en-us/library/bb399001.aspx[^]

SQLExpress database file auto-creation error

16 May 2010 by #realJSOP

What part of that didn't you understand? It's telling you *exactly* what is required.0) The web server account needs read/write access to the Applications folder if the App_Data folder doesn't already exist. Solution - create the App_Data folder in your project BEFORE you deploy it.1)...

can i pass object into a webservice

17 May 2010 by #realJSOP

Your object has to be derived from ISerializable in order for it to be passed to/from a web service.Google is your friend.If you decide that you want to pass parameters, I wrote a tip/trick that shows how to pass any number of params of any type to a web service method.Pass Dynamic...

Stored Procudure Execution

17 May 2010 by #realJSOP

Well then, the obvious answer is that you're doing something wrong in the web page. Are your parameters (if any) correct? Are you calling the correct stored procedure? How are you calling the stored proc from the web page? What exception is being returned?Your question is so vague that we...

SQL-Server-2005

add a button in Microsoft Outlook to open Windows application

17 May 2010 by #realJSOP

Summitforfrien...

passing XML file to a URL

17 May 2010 by #realJSOP

http://url.com...

Multiple class in web service

18 May 2010 by #realJSOP

As far as I know, you can't instantiate/return a class from a web service. A web service exposes methods, not classes.

unable to export to excel

19 May 2010 by #realJSOP

Put a try/catch block around it and ru it under the debugger to see exactly what the error is. At that point, you should be able to figure it out.

to get clear idea for a concept

20 May 2010 by #realJSOP

I'm with Christian on this one - if you don't know these concepts, how can you possibly get a job as a programmer?Maybe you should consider a career change - like making peanut butter and jelly sandwiches for the homeless.

Random Array Sort

20 May 2010 by #realJSOP

So you want to randomize and array. Did you consider using the Random object? (Actually, there's a better random method but it's kind of limited (only returns 0 to 255), but at least it's built into the framework. In any case, the general approach you want to take is to 0) get a random...

error occured when i call a method in my web service

20 May 2010 by #realJSOP

I'm pretty sure you can't use ref as a parameter modifier. Instead of doing th parameter list from hell, create a XML string and pass just one parameter, and return a xml string with the results.Believe me - it's much simpler and easier to maintain.

web parts in asp.net

21 May 2010 by #realJSOP

If you google it, you get over 15 MILLION hits, and this is one of the first ones:http://msdn.microsoft.com/en-us/library/z36h8be9(VS.80).aspx[^]

error occured when i call a method in my web service

21 May 2010 by #realJSOP

I wrote a tip trick about it:Pass Dynamic List of Parameters to Web Service[^]That should get you started.

How to send sms from pc to phone using gsm modem/phone in asp.net and C#

21 May 2010 by #realJSOP

This has been asked and answered so many times here, that the site should be reurposed into providing JUST that information. Try doing a search on the site, or maybe (GAK!) using google.

how to access an .cs file into .ascs.cs file

23 May 2010 by #realJSOP

First, why mark it as internal? The code can only be accessed by the site that contains it anyway. Further is the class marked as public?

Get DateTime From The Internet

24 May 2010 by #realJSOP

I googled the phrase "c# network time protocol" (you can too), and found this code:http://www.google.com/codesearch/p?hl=en&sa=N&cd=1&ct=rc#GawBxmf1je8/NTP/NtpClient.cs&q=ntp%20lang:c%23&l=34[^]

Save dialog box when downloading a .swf file

26 May 2010 by #realJSOP

We can't help you if you don't tell us more than "it's not working".WHAT isn't working? Did you try running the code under the debugger?

web_development

Access Hardwares Like WebCam, Printers, ... Using Asp.Net on client Side?

27 May 2010 by #realJSOP

It's not possible - and shouldn't be because it has serious security implications.

Photoshop like image editor with a drag and drop image gallery

28 May 2010 by #realJSOP

Your request is much to broad to be asked in a section of the web site called "Quick" Answers.You need to write your program and when you encounter a problem, ask about that problem here.Alternatively, you could hire someone to write the code for you.

how image can store and fetch from database

30 May 2010 by #realJSOP

Your question doesn't mention it, so I'll assume that you're using SQL Server.I googled the phrase "t-sql store/retrieve image", and the first link in the list of 154000 hits was this one.http://www.beansoftware.com/asp.net-tutorials/images-database.aspx[^]If that doesn't give you...

Build dynamic menus

1 Jun 2010 by #realJSOP

To be a programmer, sometimes you have to be able to "do it yourself". The way you've posed your question, nobody here is going to be willing to help you. I don't think it's unreasonable to show that you've put some effort into the problem yourself (it is, after all, *your* problem).

ID Exist Or Not in DB

1 Jun 2010 by #realJSOP

Heres the query:string query = string.Format("SELECT id from table where id = {0}", myID);

ceate a log file

2 Jun 2010 by #realJSOP

Look at Log4Net. It does all that stuff.

Simple Way to Create Charts using JavaScript or Jquery

2 Jun 2010 by #realJSOP

Did you google "create charts with javascript"? When I did, I got over 4.6 MILLION hits.

Click_Event Does'nt Happen

6 Jun 2010 by #realJSOP

No code = no answer. BTW, don't post the entire project either, just the relevant code snippets.

Resolve Image URL

6 Jun 2010 by #realJSOP

Without seeing one of your stored links, it's impossible to say what's wrong, but...There are several ways to resolve a path on a ASP.Net web page. Check out this tip/trick - it might help:Resolving Paths in a Multi-Folder WebSite[^]

7 Jun 2010 by #realJSOP

They're initialized with the "=" sign. How they're initialized depends on what type they are. Intrinsic types can simply be assigned a value. Complex types must be instantiated with new before they can be used. Beyond that, you should read a book because learning to program at this level is...

Creating scheduler with recovery system

7 Jun 2010 by #realJSOP

Your best bet is to maintain some sort of progress file (I would probably use a XML file).When the job is about to start, put the job identifying info into the file, and when the job is successfully completed, remove the info. If the job fails, you can restart it based on the info in the file.

How to synchronize database even if schedule fails?

7 Jun 2010 by #realJSOP

Backup the database before running the maintenance task. If the maintenance task succeeds, do nothing. If it doesn't succeed, restore the database from the backup, and run the process again.BTW, I'm not a DBA, but can't SqlServer do this internally?

Fix table cell width in ie.Its working fine in chrome and firefox

10 Jun 2010 by #realJSOP

Try putting a div in the cell like this: ...your content here No guarantees, but it's something to try.BTW, nesting tables like that is bad mojo. You shoud try to do at least one of the tables using CSS...

File upload

11 Jun 2010 by #realJSOP

It depends on how you're uploading it. If it's via windows sockets or the query string, you have to write code that will open the file in such a was as to overwrite the file if it already exists.If you're doing it via FTP, (I think) you have to delete the file on the remote machine...

WEBSITE RUTIME ERROR

11 Jun 2010 by #realJSOP

It's pretty obvious what the problem is - you simply have to read the error message. It's telling you that....Oh look! Something shiney!

Layout change of asyncfileuploader control

11 Jun 2010 by #realJSOP

I seem to remember trying to find the same info on this, and like you, found nothing. I don't think it can be done. You're going to have to come up with your own control if you want to make it configurable.

how to pass xml (xml node) as input parameter in soap request

16 Jun 2010 by #realJSOP

Your parameters have to be escaped.Instead of having the pointy brackets, you have to use "" in your string.

Efficient Way to Crawl through Web Sites or Better Way to Download WebSite Content

17 Jun 2010 by #realJSOP

You have more control over what's happening with method #2. That's the one I would choose. However, don't forget to add the requisite try/catch/finally block to handle any exceptions that might occur.

search according to firstname,lastname,city,state,country, or emailid

17 Jun 2010 by #realJSOP

You're not going to be able to conduct a meaningful search if you don't require a certain pattern for the search criteria.I would require the user to type something like "first=john;last=simmons" in order to find someone named "john simmons".You could extend this to be "first=john" +...

Draw chart and graph

27 Jun 2010 by #realJSOP

The only way you're going to learn which one is "better" is by evaluating your requirements, and comparing them with what both approaches bring to the table.