System.Data.DataViewManager.CreateDataView C# (CSharp) Method

        public DataView CreateDataView(DataTable table)
        {
            if (_dataSet == null)
            {
                throw ExceptionBuilder.CanNotUseDataViewManager();
            }

            DataView dataView = new DataView(table);
            dataView.SetDataViewManager(this);
            return dataView;
        }

 public static DataView loadAllGroup()
 {
     DataSet ds = DAGroup.Instance.loadDataSetGroup();
     DataViewManager dvManager = new DataViewManager(ds);
     DataView dv = dvManager.CreateDataView(ds.Tables["GROUP_TBL"]);
     return dv;
 }