ASP.NET

subbu.sk wrote:

'If Me.ddlproduct.SelectedValue = "Photo Prints" Then
' 'Me.ddlquantity.Enabled = False
' txtcomment.Text = "My order is of minimum Rs. 2,500."

'End If

ddlproduct.Attibutes.Add("onchange","CheckDropDown();")

function CheckDropDown()
{
  var ddlproduct=document.getElementById("ddlproduct");
  var ddlquantity=document.getElementById("ddlquantity");
  var txtComment=document.getElementById("txtComment");
  var selIndex=ddlproduct.selectedIndex;
  var optValue=ddlproduct.options[selIndex].value;
 if(optValue=='Photo Prints')
 {
      ddlquantity.disabled=true;
      txtComment.Value='My order is of minimum Rs. 2,500';
}
else
 {  ddlquantity.disabled=false
    txtComment.Value='';
  }
}