DataTable dt = new DataTable(); dt.Columns.Add(new DataColumn("COL1")); dt.Columns.Add(new DataColumn("COL2")); DataGridTableStyle gridHead = new DataGridTableStyle(); DataGridColumnStyle headColumn = null; headColumn = new DataGridTextBoxColumn(); headColumn.HeaderText = "컬럼1"; headColumn.MappingName = "COL1"; headColumn.NullText = ""; headColumn.Width = 100; gridHead.Gri..