/// <summary> /// 合并两个相同的DataTable,返回合并后的结果 /// </summary> /// <param name="dt1"></param> /// <param name="dt2"></param> /// <returns></returns> public DataTable CombineTheSameDatatable(DataTable dt1, DataTable dt2) { if (dt1.Rows.Count == 0 && dt2.Rows.Count == 0) { return new DataTable(); } if (dt1.Rows.Count == 0) { return dt2; } if (dt2.Rows.Count == 0) { return dt1; } DataSet ds = new DataSet(); ds.Tables.Add(dt1.Copy()); ds.Merge(dt2.Copy()); return ds.Tables[0]; }