Question
Explain the CreateChildControls() method with an example
Answers
CreateChildControls() method notifies the server about the control that to implement the child controls for posting back and for rendering. The statement is given as:
Protected: virtual void CreateChildControls();
The example shows the implementation of the CreateChildControls() method that is:
‘Override CreateChildControls to create the control tree.
PermissionSetAttribute(System.Security._
Permissions.SecurityAction.Demand, Name:="FullTrust")> _
Protected Overrides Sub CreateChildControls()
' Add a LiteralControl to the current ControlCollection.
Me.Controls.Add(New LiteralControl("

Value: "))
' Create a text box control, set the default Text property,
' and add it to the ControlCollection.
Dim box As New TextBox()
box.Text = "0"
Me.Controls.Add(box)
Me.Controls.Add(New LiteralControl("

"))
End Sub 'CreateChildControls
This is the method that is used to instantiate the control and fetches the properties to set it according to the website. The add () method of the control class adds the control in the collection. The method CreateChildControls () implies that the WebPart consists of a collection of child controls.   Your Comment




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