private void GetEmployeeType() { EmployeeManager emp = new EmployeeManager(); DataTable dt = emp.DisplayUserType(); DataRow dtRow = dt.NewRow(); dtRow["Type"] = "--Select One--"; dt.Rows.InsertAt(dtRow, 0); cboUserType.DisplayMember = "Type"; cboUserType.ValueMember = "Id"; cboUserType.DataSource = dt; }