I have a button which redirects the page when clicked, it also pass the selected Email (from the grid) value to the SendMessage.aspx page. Now without redirecting I made a panel and few labels and text box inside the panel as popup for the send button I want to pass the selected email value to a text box field inside the panel. How should i change my code so that the text box inside the pop up panel gets the selected value. thanks
<asp:Button ID="SendButton" Enabled="True" Width="70" runat="server" PostBackUrl='<%# Eval("Email", "SendMessage.aspx?Email={0}") %>' Text='Send' />
<asp:PopupControlExtender ID="PopUCtrlExt_SendMSg" runat="server" DynamicServicePath="" Enabled="True" ExtenderControlID="" TargetControlID="SendButton" PopupControlID="Panel_sendmsg" />