DataView.Table 属性
定义
重要
一些信息与预发行产品相关,相应产品在发行之前可能会进行重大修改。 对于此处提供的信息,Microsoft 不作任何明示或暗示的担保。
获取或设置源 DataTable。
public:
property System::Data::DataTable ^ Table { System::Data::DataTable ^ get(); void set(System::Data::DataTable ^ value); };
[System.ComponentModel.TypeConverter(typeof(System.Data.DataTableTypeConverter))]
public System.Data.DataTable? Table { get; set; }
public System.Data.DataTable Table { get; set; }
[System.ComponentModel.TypeConverter(typeof(System.Data.DataTableTypeConverter))]
[System.Data.DataSysDescription("DataViewTableDescr")]
public System.Data.DataTable Table { get; set; }
[System.ComponentModel.TypeConverter(typeof(System.Data.DataTableTypeConverter))]
public System.Data.DataTable Table { get; set; }
[<System.ComponentModel.TypeConverter(typeof(System.Data.DataTableTypeConverter))>]
member this.Table : System.Data.DataTable with get, set
member this.Table : System.Data.DataTable with get, set
[<System.ComponentModel.TypeConverter(typeof(System.Data.DataTableTypeConverter))>]
[<System.Data.DataSysDescription("DataViewTableDescr")>]
member this.Table : System.Data.DataTable with get, set
Public Property Table As DataTable
属性值
为此视图提供数据的 DataTable。
- 属性
示例
以下示例获取 DataTable 当前 DataView的 。
private static void DemonstrateDataViewTable()
{
DataTable table = new DataTable();
// add columns
DataColumn column = table.Columns.Add("ProductID",
typeof(int) );
column.AutoIncrement = true;
column = table.Columns.Add("ProductName",
typeof(string));
// populate DataTable.
for(int id=1; id<=5; id++)
{
table.Rows.Add(
new object[]{ id, string.Format("product{0}", id) });
}
DataView view = new DataView(table);
PrintTable(view.Table, "DataTable");
}
private static void PrintTable(DataTable table, string label)
{
// This function prints values in the table or DataView.
Console.WriteLine("\n" + label);
foreach(DataRow row in table.Rows)
{
foreach(DataColumn column in table.Columns)
{
Console.Write("\table{0}", row[column]);
}
Console.WriteLine();
}
}
Private Sub DemonstrateDataViewTable()
Dim table As New DataTable()
' add columns
Dim column As DataColumn = table.Columns.Add("ProductID", GetType(Integer))
column.AutoIncrement = True
column = table.Columns.Add("ProductName", GetType(String))
' populate DataTable.
Dim id As Integer
For id = 1 To 5
table.Rows.Add(New Object() {id, String.Format("product{0}", id)})
Next id
Dim view As New DataView(table)
PrintTable(view.Table, "DataTable")
End Sub
Private Sub PrintTable(ByVal table As DataTable, ByVal label As String)
' This function prints values in the table or DataView.
Console.WriteLine("\n" + label)
Dim row As DataRow
Dim column As DataColumn
For Each row In table.Rows
For Each column In table.Columns
Console.Write("\table{0}", row(column))
Next column
Next row
Console.WriteLine()
End Sub
注解
还有 DataTable 一个 DefaultView 属性,该属性返回表的默认值 DataView 。 例如,如果要在表上创建自定义视图,请在 返回的 DefaultView上DataView设置 RowFilter 。
仅当当前值为 null 时,才能设置 Table 属性。