ASP.NET code-behind
Code:
ddl.ListBox.Attributes("onchange") = "if(ddl_OnChange('autopostback')==false) return false;"
Code:
var ddl = document.getElementById('<%= ddl.ClientID %>');
var ddl = (ddl) ? ddl.selectedIndex : null;
function ddl_OnChange(){
if(validateForm() == false){
if(ddl &&
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