my Web controls can't fire their events .

it worked before but somehow it stopped.

this relays to any aspx/aspx.vb page.

Can you post your code?

Can you view the aspx page?

1) make sure the yellow line at the top of the html designer page reads the right entry for the Codebehind property.

2) Make sure each of the controls are server controls with the runat method set correctly:

<asp:button Runat="Server"

3) Some controls, such as the listbox, require an AutoPostBack property set on the tag also to make some of their events fire:

<asp:listbox AutoPostBack="True"

4) Make sure the control resides in the " Web Form Designer Generated Code " region at the top of the code window, and has the withevents keyword assigned beside it.

Protected WithEvents listbox1 As System.Web.UI.WebControls.ListBox