//多表多行多列的情况 foreach (DataTable dt in YourDataset.Tables) //遍历所有的datatable { foreach (DataRow dr in dt.Rows) ///遍历所有的行 foreach (DataColumn dc in dt.Columns) //遍历所有的列 Console.WriteLine("{0}, {1}, {2}", dt.TableName, dc.ColumnName, dr[dc]); //表名,列名,单元格数据 } //遍历一个表多行多列 foreach(DataRow mDr in dataSet.Tables[0].Rows ) { foreach(DataColumn mDc in dataSet.Tables[0].Columns) { Console.WriteLine(mDr[mDc].ToString()); } } //遍历一个表多行一列 foreach(DataRow row in DataSet1.Tables[0].Rows) { Console.WriteLine(row[0].ToString()); } //一行一列 ds.Tables[0].Rows[0]["字段"]