ASP.NET

Dim Obj As Object = lvPTRPhoneCalls.FindControl("IDNOInsertLabel")
If Obj IsNot Nothing Then
    Dim Lbl As Label = TryCast(Obj, Label)
    If Lbl IsNot Nothing Then
        Lbl.Text = lblSelectedIDNO.Text
    Else
        'Do something to report the error
    End If
Else
    'Do something to report the error
End If

<configuration>
  <system.net>
   <settings>
      <httpWebRequest useUnsafeHeaderParsing="true" />
   </settings>
  </system.net>
</configuration>

MarkPhD wrote:

"Object reference not set to an instance of an object" error.

window.onload = function(){
var list = document.getElementById("cmbList"); // put the name of the combobox control
list.onchange = function(){
document.getElementById("lblDisplayText").value = list.options[list.selectedIndex].text;
document.getElementById("lblDisplayValue").value = list.options[list.selectedIndex].value;
document.getElementById("lblSelectedIndex").value = list.selectedIndex;
//window.alert("Selected item is " + list.options[list.selectedIndex].text + " and its option value is " + list.options[list.selectedIndex].value);
}
}