i need to selected value of DropDownList1 in mobile.net

hi

i have used following code in my application.

This code is on my page.aspx


   
           
                 
                                                    OnSelectedIndexChanged="DropDownList1_SelectedIndexChanged"
                          AutoPostBack="True">
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This code is on my web.config


     
       
                 
           
   


i need to selected value of  DropDownList1 on DropDownList1_SelectedIndexChanged event.

so any one please help me.