title: How to pass value from gridview inside modal pop up extender to textbox in parent form?
body: <p>I tried to execute below codes to pass selected row value from gridview inside modal pop up extender to textbox in parent form but it doesn't work.</p>
  
  <pre><code>Private Sub GridView1_SelectedIndexChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles GridView1.SelectedIndexChanged
      txttitle.Text = GridView1.SelectedRow.Cells(1).Text
  End Sub
  </code></pre>