DataSet.Tables DataSet.Tables DataSet.Tables DataSet.Tables Property

定义

获取包含在 DataSet 中的表的集合。Gets the collection of tables contained in the DataSet.

public:
 property System::Data::DataTableCollection ^ Tables { System::Data::DataTableCollection ^ get(); };
[System.Data.DataSysDescription("DataSetTablesDescr")]
public System.Data.DataTableCollection Tables { get; }
member this.Tables : System.Data.DataTableCollection
Public ReadOnly Property Tables As DataTableCollection

属性值

DataTableCollection 包含的 DataSetThe DataTableCollection contained by this DataSet. 如果 DataTable 对象不存在,将返回空集合。An empty collection is returned if no DataTable objects exist.

示例

下面的示例返回DataSet对象的DataTableCollection,并打印每个表中的列和行。The following example returns the DataSet object's DataTableCollection, and prints the columns and rows in each table.

private void PrintRows(DataSet dataSet)
{
    // For each table in the DataSet, print the row values.
    foreach(DataTable table in dataSet.Tables)
    {
        foreach(DataRow row in table.Rows)
        {
            foreach (DataColumn column in table.Columns)
            {
                Console.WriteLine(row[column]);
            }
        }
    }
}
Private Sub PrintRows(ByVal dataSet As DataSet)
   Dim table As DataTable
   Dim row As DataRow
   Dim column As DataColumn
   ' For each table in the DataSet, print the row values.
   For Each table in dataSet.Tables
      For Each row In table.Rows
         For Each column in table.Columns
            Console.WriteLine(row(column))
         Next column
      Next row
   Next table
End Sub

注解

若要将表添加到集合, Add请使用的DataTableCollection方法。To add tables to the collection, use Add method of the DataTableCollection. 若要删除表,请Remove使用方法。To remove tables, use the Remove method.

适用于

另请参阅