public DataTable GetClientes() { Clientes.ClienteLogic cliLogic = new Clientes.ClienteLogic(); DataTable dtClientes = cliLogic.GetClientes(); DataTable dt = new DataTable(); dt.Columns.Add("ID", typeof(string)); dt.Columns.Add("Nombre_Apellido", typeof(string)); dt.Rows.Add("0", "PROPIO"); foreach (DataRow dr in dtClientes.Rows) { DataRow drNew = dt.NewRow(); drNew[0] = dr[0]; drNew[1] = dr[1] + " " + dr[2]; dt.Rows.Add(drNew); } return(dt); }