Hi,
I am able to add rows to a asp:Table server object in the codebehind. The process outputs the correct html just fine. But when the postback is triggered, this table's rows.count still shows the old value, as if the rows that were on the page were never added. I am obviously missing some code that updates page collection or renders something. Please help!
Thank you in advance!

This type of information is not maintained automatically by .NET. You need to regenerate the additional rows every time. If you are generating the rows based on some event or database call, you need to persist the information manually in order to regenerate the rows.

declare your Table object as a static global object
-----
public class WebForm1 : System.Web.UI.Page
{
     static Table tbl=new Table();
     //......add your rows and cells evrywhere you want
}
-----
HTH.

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Mehdi.