I have a Datagrid that I can't seem to get to work. I can populate the grid from a database but I can't figure out how to update the DB when the user edits a templated column. I have done it before and copied the code over but it isn't working. Any help is greatly appreciated. Code behin...more >>

I came across a problem today that seems very trivial however i did not yet solve it elegantly. Normally, when i need to pass values between server and javascript, I create a server control such as textbox or htmlInputHidden and update/read it on both sides. However, I am developing a user ...more >>

is there anyway to use a TreeView without a Form runat="server" ? because having a TreeView in my masterpage requires me to add a Form there and then there is a conflict with the content page since it also needs a form, 2 Forms on a page are not allowed... ...more >>

Hi I've just had to reinstall both VS.NET 2002 and 2003 on my laptop after hard disk failure. I've also installed Duwamish example app and am presented with the following error: "Visual Studio.Net has detected that the web server is using ASP.NET 1.0..." and it recommends that I upgrade ...more >>

hi! I have written an asp.net web page which can upload files, i didn't modify the machine.config and the web.config file, when i upload a file that size < 1mb, it can run correctly, but when i upload a file that size > 1mb and < 4mb, it cause an error. then i open the machine.config and...more >>

Hi I'm interested to know what peoples opinions are on using the Client-side Validators in ASP.NET? I use them very heavily but am experiencing the odd occassion when users have either intentionally or inadvertantly bipassed them. Any ideas on how this could happen. I know that a determi...more >>

Hi, I am trying to customize the asp.net validation to achieve the following: Upon submitting the form, client side validation will run, and it will stop at the first error detected. For example if both UserID and Password text fields are required but neither is filled in, I'd like to displ...more >>

I've got a datagrid set up to display data. I've also got an Edit,Update,Cancel column set up to allow editing of data. I've got a DropDownList (ID="ddl3")in the EditItemTemplate for a certain column that I need to populate while in Edit Mode. Two questions: Is there a way to directly us...more >>

Hi I am having touble determining the correct syntax for my SQL query using the OleDbCommand parameters and the 'like' operator with the 'where' clause .. I would like to use the wildcard % at either end of my parameter, but no matter what I try, nothing seems to work, on the surface the quer...more >>

Hi all! I was wondering if a few of you might want to try out my new online game here... GEEKSLOTS! http://saulysw.servepics.com/Geekslots/frmSpin.aspx Which I wrote in ASP.NET. I have not written a help page yet, so I guess it needs some explaination! What you need to do is build a compu...more >>

"How to organize a Web-Project with DLL-Projects and Forms-Authentication" Hi, i would like to create a multi-tier solution with many projects using ASP.NET such like presentation, biz-logic, data-logic - projects. When I create such solution as WebProject I wonder where to save core VB-Cl...more >>

Dear All, What is difference between Portable Executable (PE) file and a Assembly? Thanks, Mahesh ...more >>

What is a CLR? Is it's a DLL or EXE? And where it is located?...more >>

I am struggling here trying to determine what is a good programming practice as far as referencing your URLs. When you use Response.Redirect, do you use 1) Hard-coded string -- Response.Redirect("MyPage.aspx"); 2) Constants -- Response.Redirect(STRMyPage); // where input parameter is -> ...more >>

Hello, I have a function which changes culture and sets a new session value. I want to refresh the present page after the function makes the changes. How can I do this? Thanks, Miguel ...more >>

Hello, I'm learning to code in C# and I created a DataGrid component, which I couldn't get it to work properly either using "Next >>" and "<< Previous" buttons or using actual page numbers. When I use the "Next" and "Previous" buttons, I move on one page (going from page 1 to 2). Then if...more >>

Hi! My asp.net application's DLL file is almost 5 MB. Can it be a performance problem? Maybe I should split it into few projects for ex. business objects project, DAL project? What do you think? We have this problem - after first compilation the site runs smoothly, but after some time it...more >>

Hello, I am trying to create a small application that creates labels and I have purchased a thermal transfer label printer. Now I need to be able to print the formatted label to the printer without the browser header/footer and without margins or borders.... Any starting ideas or links to r...more >>

Just trying to connect an ASP.NET page to an SQL database. When I run the page, I get no errors but no recordset results are returned via the datagrid control -- it is completely blank. The only thing displayed is the "Job Dispatch List" page title which is executed as plain HTML. Code is ...more >>

Hi, In page_load : If Not Page.IsPostBack Then Dim myUC As UserControl = LoadControl("ficheProspects.ascx") myUC.ID = "FicheProspects1" End If In another Sub i need to find my control : Dim myUC As UserControl = CType((FindControl("FicheProspects1")), UserControl) Dim ucType As T...more >>

I have a set of images on a SQL2000 server that I use on a Windows Application by binding to a dataset. The controls on a Web Application require a URL. Is there a way that I can connect these controls to a dataset? John L...more >>

Hi When trying to connect to SQL Server using the code below i get this message at myConnection.Open() line Login failed for user 'JACKSON-QS7MHO6H\ASPNET' from where does it add \ASPNET how do i log on string mySelectQuery = "SELECT * FROM authors"; string myConnectString = "...more >>

Hello, i'm working on a greeting card website, there is a page where i'm showing greeting cards, i have done paging on this page with using Datalist and its working well but i have a problem is on Next button i want to disable Next button link when user is on last page so pls tell me how ca...more >>

Hello all, can someone possibly clear up what the 'proper' way to abstract DB access is? (Using C#, though it shouldnt matter) For example my asp page calls a web service that has an authenticate method that uses a username/pass table in a DB.. I set up a DB class that connects to the DB ...more >>

Hello, I have this image in my HTML code: <img src="images/en-US/myImage.jpg" /> I want to change the URL using the value of a Session variable. <img src="images/ Session("culture") Value /myImage.jpg" /> This is what I did: <img src='images/<%# Session("culture") %>/myImage.jpg' /> I...more >>

Whats the easiest way to update data being displayed in a datagrid from SQL every 2-3 minutes. For instance, a user brings up a web page page that is monitoring an alarm list stored in a SQL table. Some process creates a new alarm into the table, this should be displayed in the datagrid by the s...more >>