IFilterConsumer.NoFilter method
NOTE: This API is now obsolete.
用來回應任何篩選條件將會提供從提供者 Web 組件的NoFilter事件的訊息。
Namespace: Microsoft.SharePoint.WebPartPages.Communication
Assembly: Microsoft.SharePoint (in Microsoft.SharePoint.dll)
Syntax
'宣告
<ObsoleteAttribute("Use System.Web.UI.WebControls.WebParts.IWebPartParameters instead")> _
Sub NoFilter ( _
sender As Object, _
e As EventArgs _
)
'用途
Dim instance As IFilterConsumer
Dim sender As Object
Dim e As EventArgs
instance.NoFilter(sender, e)
[ObsoleteAttribute("Use System.Web.UI.WebControls.WebParts.IWebPartParameters instead")]
void NoFilter(
Object sender,
EventArgs e
)
參數
sender
Type: System.Object在 [網頁組件的提供者實作 IFilterProvider 介面的物件參考。
e
Type: System.EventArgs從 NoFilter Event傳遞事件引數。這會是 null 物件。
Examples
下列程式碼範例會顯示NoFilter方法的實作。這個程式碼範例是提供IFilterConsumer介面的完整範例的一部分。
' Step #11: Implement NoFilter event handler.
' The connected provider part will call this method during its
' PartCommunicationMain phase to indicate there is no change in the
' filter. This allows the consumer part to
' display its cached data instead of recalculating the filter
' expression or potentially hitting a database again.
' <param name="sender">Provider Web Part</param>
' <param name="eventArgs">The Event Arguments</param>
Public Sub NoFilter(sender As Object, eventArgs As EventArgs) Implements IFilterConsumer.NoFilter
' Ensure that all of the Web Part's controls are created.
EnsureChildControls()
' No change in the filter so use cached _cachedRowFilter.
_rowFilterExpression = _cachedRowFilter.Text
End Sub
// Step #11: Implement NoFilter event handler.
// The connected provider part will call this method during its
// PartCommunicationMain phase
// to indicate there is no change in the filter. This allows the
// consumer part to display its cached data instead of recalculating
// the filter expression or potentially hitting a database again.
// <param name="sender">Provider Web Part</param>
// <param name="eventArgs">The Event Argumentsr</param>
public void NoFilter(object sender, EventArgs eventArgs)
{
// Ensure that all of the Web Part's controls are created.
EnsureChildControls();
// No change in the filter so use cached _cachedRowFilter.
_rowFilterExpression = _cachedRowFilter.Text;
}