AJAX :: How To Add / Remove Custom Web Controls At Run Time

Jun 13, 2010

I have created a custom control with three dropdown list boxes. Based on the selectedItem in the first ddl, other two ddl items will be populated. I have this part working fine.
I have an asp:panel control, "Add", "Delete" and "Submit" buttons with in an ASPxRoundPanel on my web page.

btnAdd_Click event has the following code:
Control control = LoadControl(Path + "myCustomFilter.ascx");
control.ID = "FilterControl" + Convert.ToString(pnlCustomFilter.Controls.Count + 1);
((myCustomFilter)control).FilterDataSource = dtSource;
//Add to dynamic control panel
pnlFilterControl.Controls.Add(control);

First added control displays fine. When I add second control, I don't see pnlCustomFilter display on the page.

What code should go into Page_Load IsPostBack block to refresh pnlCustomFilter and myCustomFilter selected items? When delete button is clicked, I need to delete selected customControl from pnlCustomFilter. How do I get selected pnlCustomFilter.ControlId? How do I delete it?

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