DataView 构造函数

定义

初始化 DataView 类的新实例。

重载

DataView()

初始化 DataView 类的新实例。

DataView(DataTable)

使用指定的 DataView 初始化 DataTable 类的新实例。

DataView(DataTable, String, String, DataViewRowState)

使用指定的 DataTableRowFilterSortDataViewRowState 初始化 DataView 类的新实例。

DataView()

Source:
DataView.cs
Source:
DataView.cs
Source:
DataView.cs

初始化 DataView 类的新实例。

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

示例

以下示例创建一个新的 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

适用于

DataView(DataTable)

Source:
DataView.cs
Source:
DataView.cs
Source:
DataView.cs

使用指定的 DataView 初始化 DataTable 类的新实例。

public:
 DataView(System::Data::DataTable ^ table);
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 DataTable

示例

以下示例使用指定的 DataTable创建新的 DataView

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

适用于

DataView(DataTable, String, String, DataViewRowState)

Source:
DataView.cs
Source:
DataView.cs
Source:
DataView.cs

使用指定的 DataTableRowFilterSortDataViewRowState 初始化 DataView 类的新实例。

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);
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 DataTable

RowFilter
String

要应用于 DataViewRowFilter

Sort
String

要应用于 DataViewSort

RowState
DataViewRowState

要应用于 DataViewDataViewRowState

示例

以下示例使用指定的 DataTable创建新的 DataView

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