protected void SecurityQuestionDropDownList_Init(object sender, EventArgs e)
 {
     UserBL userBL = new UserBL();
     securityQuestionDropDownList = sender as DropDownList;
     string value = userBL.GetsecurityQuestion(Convert.ToInt64(Session["UserID"]));
     foreach (ListItem item in securityQuestionDropDownList.Items)
     {
         if (item.Text == value)
         {
             item.Selected = true;
             break;
         }
     }
 }