for (int count = 0; count < dgv.Columns.Count; count++) DataColumn dc = new DataColumn(dgv.Columns[count].Name.ToString()); dt.Columns.Add(dc); // 循环行 for (int count = 0; count < dgv.Rows.Count; count++) DataRow dr = dt.NewRow(); for (int countsub = 0; countsub < dgv.Columns.Count; countsub++) dr[countsub] = Convert.ToString(dgv.Rows[count].Cells[countsub].Value); dt.Rows.Add(dr); return dt;