protected void btnAdd_Click(object sender, EventArgs e) { JobPositionEN pos = ClassJopPosition.SearchByPosid(Convert.ToInt16(ddlPosition.SelectedValue)); JobPosition_EmpEN en = new JobPosition_EmpEN(); en.empid = this.empid; en.posid = Convert.ToInt16(ddlPosition.SelectedValue); en.cost = pos.cost; ClassJopPosition.InsertPosition_Emp(en); BindPosition_Emp(); }