How to write an IsDate function that actually checks for a particular date format? Using try-catch on Convert.ToDateTime(sDate) doesn't catch invalid entry (i.e. 5/2000).....I want the dates to be input as mm/dd/yyyy OR m/d/yyyy OR m/d/yy (etc.).... Any thoughts? ...more >>

Hi! I am working with ASP.NET application. In my page I am creating one Application Domain and in that domain I am calling my DLL. Using the methods of the dll. And unloading the Application Domain. Till this point it is working fine. My problem is, while web page is open, than I am modif...more >>

Hi, How can i get my ASP Page or Web Service to run as the LocalSystem rather than a user? cheers ...more >>

HI, I have an existing VB6 / SQL Server cataloging application which I wish to convert to a web based application. I figure this would be a good project which I could use to learn ASP .NET. I'm sure I can figure out how to interrogate the SQL database etc on the server side, but what I am not...more >>

I have the need for a page to either pick between 2 Web Controls, one being the login; the other being subscriber input/confirmation. If a cookie is not found, even a temporary one (set at 1day) when the containing webform is loaded then the login page is offered - if they are registered users...more >>

Please help me understand this Error??? Server Error in '/solo' Application. ---------------------------------------------------------------------------- ---- Object must implement IConvertible. Description: An unhandled exception occurred during the execution of the current web request. P...more >>

Hi How to write in c# href code so it looks in source Slide - pokaz programu - Remonty firmy Delta Software pls. look source of this link. Thanks ...more >>

I have to provide the users with data in the form of Web Reports. Crystal Licensing...Very expensive for us. PDF? Can I take data from ADO.net into and create PDF? This will be my first time building report for the web, so any suggestions,Links,sample code, etc.. will be great. Any sugg...more >>

Hi all, I tried to connect a database(SQL) by both VS 2003 interface tools and normal typing. When I make the connection in subdirectory project it doesn't work and gives an error like this; Server Error in '/WebApplication1' Application. --------------------------------------------------...more >>

I've created a simple form with a submit button and a textfield. I assigned a RequiredFieldValidator to the textfield and set EnabledClientScript to ture. I noticed the validator did not display the error message if the textfield was empty. It seems to me that the client side validation script d...more >>

Does any body know any article about tips to load aspx pages as fast as it gets? ...more >>

Outside of building a custom ActiveX control that would need to run on the user's machine and have security attributes set to allow such, does anyone have any code that will allow a combobox to display a tree of items? I could display a tree control, but that takes a lot of space on the page. I h...more >>

Hello, I am populating a DIV with Checkboxes based on rows I get from a Table while dr.read() ..... mydiv.controls.add(etc...) .... other set up end ... On my webpage I check some of the check boxes then submit on postsback how can I get back all the check boxes that were ch...more >>

Hello, I have a database which contains approximately 30 reference tables. I've been looking at building a dynamic datagrid that is updateable, but have run into problems with the Cancel and Update events not firing. After reading several posts about the events not firing, it seems that thi...more >>

I've used an SQL staement to pull a table from my database using the DataReader. ie SELECT * FROM Table. However i cannot get off the first row of the table. Is there a DataReader.Next() statement or something that can force the datareader to jump to the next row? -David ...more >>

Hello friends... On a single asp.net web page i have a single server-side form that contains a couple of user-controls. Each user control has its own functionality and contains server-side textbox controls, requiredfieldvalidator controls which validate the textboxes, and a linkbutton control th...more >>

I need to get page names of all my available ASP.Net pages in my ASP.Net project at run time. How do I do that? Thanks...more >>

How can I run an .exe (located at the server) from within a WebForm? For example, run "word.exe mydoc.txt"...more >>

Hi Basically I call a page that does a very long op (like very long database query) and display results (possible on another page) But I need to display a progress bar for user to see some progress (dummy but at least something) no frames There is an old trick in cgi/ asp for a page ...more >>

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I am using the Select method on a DataTable to return a DataRow[] filter = (width LIKE '%width="[1-9][0-9]%') I am getting an exception saying my filter is invalid I narrowed it down to the part that reads [1-9][0-9] if I eliminate this part it works. Is there a way to accomplish what I'm t...more >>

Hi, I am running v1.1.4322 on Win2K server and unable to debug a ASP.Net application running locally, using a full URL (ie www.mysite.com). When I hit F5, I get the following error message: <debugger_error_message> Error while trying to run project: Unable to start debugging on the web se...more >>

For the whole appliation, how can I prevent the users from pressing back in the browser to go back to the previous page? Thanks ...more >>

How do I format a message so it shows up as a web page in the mail reader. In the body of my message, I'm including a '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Traditional//EN">' tag and standard <html><body> tags but this all shows up as text in the message. What's the secret? -- Paul T...more >>