protected void bindSorce()
{
YouthAcademicBLL aca_bll = new YouthAcademicBLL();
DataSet ds = aca_bll.GetAcademic();
ddl_source.DataValueField = "academic_id";
ddl_source.DataTextField = "academic_name";
ddl_source.DataSource = ds;
ddl_source.DataBind();
ddl_source.Items.Insert(0, new ListItem("", "0"));
}
