GridView排序

this._GridView1.BeginSort();                        

this._GridView1.ClearSorting();

this._GridView1.Columns[0].FieldNameSortGroup = "SORT_ASC";//设置按照哪列的数据源排序

this._GridView1.Columns[0].SortOrder = c.SortOrder;

this._GridView1.EndSort();