本文整理汇总了VB.NET中System.Web.UI.Control.ChildControlsCreated属性的典型用法代码示例。如果您正苦于以下问题：VB.NET Control.ChildControlsCreated属性的具体用法？VB.NET Control.ChildControlsCreated怎么用？VB.NET Control.ChildControlsCreated使用的例子？那么恭喜您, 这里精选的属性代码示例或许可以为您提供帮助。您也可以进一步了解该属性所在类System.Web.UI.Control的用法示例。
在下文中一共展示了Control.ChildControlsCreated属性的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的VB.NET代码示例。
示例1: AddParsedSubObject
' 导入命名空间
Imports System.Collections
Imports System.Web
Imports System.Web.UI
Imports System.Web.UI.WebControls
Namespace TemplateControlSamplesVB
<ParseChildren(True)> _
Public Class CustomRepeaterVB : Inherits Repeater
' Override to prevent LiteralControls from being added as children.
Protected Overrides Sub AddParsedSubObject(ByVal O As Object)
End Sub
' Override to create repeated items.
Protected Overrides Sub CreateChildControls()
Dim O As Object = ViewState("NumItems")
If Not (O Is Nothing) Then
' Clear any existing child controls.
Controls.Clear()
Dim i As Integer
Dim NumItems As Integer = CInt(O)
For i = 0 To NumItems - 1
' Create an item.
Dim Item As RepeaterItem = New RepeaterItem(i, ListItemType.Item)
' Initialize the item from the template.
ItemTemplate.InstantiateIn(Item)
' Add the item to the ControlCollection.
Controls.Add(Item)
Next
End If
End Sub
' Override to create the repeated items from the DataSource.
Protected Overrides Sub OnDataBinding(ByVal E As EventArgs)
MyBase.OnDataBinding(E)
If Not DataSource Is Nothing Then
' Iterate over the DataSource, creating a new item for each data item.
Dim DataEnum As IEnumerator = DataSource.GetEnumerator()
Dim i As Integer = 0
Do While (DataEnum.MoveNext())
' Create an item.
Dim Item As RepeaterItem = New RepeaterItem(i, ListItemType.Item)
' Initialize the item from the template.
ItemTemplate.InstantiateIn(Item)
' Add the item to the ControlCollection.
Controls.Add(Item)
i = i + 1
Loop
' Prevent child controls from being created again.
ChildControlsCreated = True
' Store the number of items created in view state for postback scenarios.
ViewState("NumItems") = i
End If
End Sub
End Class
End Namespace