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Running Client Script to Read TextBox Value from AJAX PopupControl Extender

Posted By:      Posted Date: October 01, 2010    Points: 0   Category :ASP.Net
 

I used PopupControl Extender to display row details from a gridview, and need to update the two textboxes, but the changed value in the textboxes did not get picked up when click the update button on the popup window, so I need to get client side javascript to read the new changed value from these text boxes. However, I tried a few way, none worked for me, not sure what is wrong.

1. Add a javascript function in the .aspx file and use onclientclick of the linkbutton control to call the function, I got error of "Microsoft JScript runtime error: Object required".

code:

<script language="javascript" type="text/javascript">
     function newTextValue(textbox) 
     {
      var text = document.getElementById("TextBox1").Value;
      alert(text);
     }
</script)

<asp:TextBox ID="TextBox1" runat="server"  Text='<%# Bind("GalleryTemplateName") %>' Height="20px" Width="230px"
                    style="text-align: left"></asp:Text


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