DataView 构造函数

定义

初始化 DataView 类的新实例。Initializes a new instance of the DataView class.

重载

DataView()

初始化 DataView 类的新实例。Initializes a new instance of the DataView class.

DataView(DataTable)

使用指定的 DataView 初始化 DataTable 类的新实例。Initializes a new instance of the DataView class with the specified DataTable.

DataView(DataTable, String, String, DataViewRowState)

使用指定的 DataTableRowFilterSortDataViewRowState 初始化 DataView 类的新实例。Initializes a new instance of the DataView class with the specified DataTable, RowFilter, Sort, and DataViewRowState.

DataView()

初始化 DataView 类的新实例。Initializes a new instance of the DataView class.

public:
 DataView();
public DataView ();
Public Sub New ()

示例

下面的示例创建一个新DataView的。The following example creates a new DataView.

private void MakeDataView()
{
    DataView view = new DataView();

    view.Table = DataSet1.Tables["Suppliers"];
    view.AllowDelete = true;
    view.AllowEdit = true;
    view.AllowNew = true;
    view.RowFilter = "City = 'Berlin'";
    view.RowStateFilter = DataViewRowState.ModifiedCurrent;
    view.Sort = "CompanyName DESC";

    // Simple-bind to a TextBox control
    Text1.DataBindings.Add("Text", view, "CompanyName");
}
Private Sub MakeDataView()
    Dim view As New DataView()

    view.Table = DataSet1.Tables("Suppliers")
    view.AllowDelete = True
    view.AllowEdit = True
    view.AllowNew = True
    view.RowFilter = "City = 'Berlin'"
    view.RowStateFilter = DataViewRowState.ModifiedCurrent
    view.Sort = "CompanyName DESC"
    
    ' Simple-bind to a TextBox control
    Text1.DataBindings.Add("Text", view, "CompanyName")
End Sub

另请参阅

DataView(DataTable)

使用指定的 DataView 初始化 DataTable 类的新实例。Initializes a new instance of the DataView class with the specified DataTable.

public:
 DataView(System::Data::DataTable ^ table);
public DataView (System.Data.DataTable table);
new System.Data.DataView : System.Data.DataTable -> System.Data.DataView
Public Sub New (table As DataTable)

参数

table
DataTable

要添加到 DataView 中的 DataTableA DataTable to add to the DataView.

示例

下面的示例使用指定DataView DataTable的创建一个新的。The following example creates a new DataView with the specified DataTable.

private void MakeDataView()
{
    DataView view = new DataView(DataSet1.Tables["Suppliers"]);

    // Bind a ComboBox control to the DataView.
    Combo1.DataSource = view;
    Combo1.DisplayMember = "Suppliers.CompanyName";
}
Private Sub MakeDataView()
    Dim view As DataView
    view = New DataView(DataSet1.Tables("Suppliers"))

    ' Bind a ComboBox control to the DataView.
    Combo1.DataSource = view
    Combo1.DisplayMember = "Suppliers.CompanyName"
End Sub

另请参阅

DataView(DataTable, String, String, DataViewRowState)

使用指定的 DataTableRowFilterSortDataViewRowState 初始化 DataView 类的新实例。Initializes a new instance of the DataView class with the specified DataTable, RowFilter, Sort, and DataViewRowState.

public:
 DataView(System::Data::DataTable ^ table, System::String ^ RowFilter, System::String ^ Sort, System::Data::DataViewRowState RowState);
public DataView (System.Data.DataTable table, string RowFilter, string Sort, System.Data.DataViewRowState RowState);
new System.Data.DataView : System.Data.DataTable * string * string * System.Data.DataViewRowState -> System.Data.DataView
Public Sub New (table As DataTable, RowFilter As String, Sort As String, RowState As DataViewRowState)

参数

table
DataTable

要添加到 DataView 中的 DataTableA DataTable to add to the DataView.

RowFilter
String

要应用于 DataViewRowFilterA RowFilter to apply to the DataView.

Sort
String

要应用于 SortDataViewA Sort to apply to the DataView.

RowState
DataViewRowState

要应用于 DataViewDataViewRowStateA DataViewRowState to apply to the DataView.

示例

下面的示例使用指定DataView DataTable的创建一个新的。The following example creates a new DataView with the specified DataTable.

private void MakeDataView(DataSet dataSet)
{
    DataView view = new DataView(dataSet.Tables["Suppliers"], 
        "Country = 'UK'", "CompanyName", 
        DataViewRowState.CurrentRows);
    view.AllowEdit = true;
    view.AllowNew = true;
    view.AllowDelete = true;
}
Private Sub MakeDataView(ByVal dataSet As DataSet)
    Dim view As New DataView(dataSet.Tables("Suppliers"), _
        "Country = 'UK'", "CompanyName", _
        DataViewRowState.CurrentRows)
    view.AllowEdit = True
    view.AllowNew = True
    view.AllowDelete = True
End Sub

另请参阅

适用于