Control.CreateChildControls Method ()
Called by the ASP.NET page framework to notify server controls that use composition-based implementation to create any child controls they contain in preparation for posting back or rendering.
Assembly: System.Web (in System.Web.dll)
When you develop a composite or templated server control, you must override this method. Controls that override the INamingContainer interface to avoid naming conflicts.method should implement the
The following example demonstrates an overridden version of the TextBox control enclosed in two literal controls that render HTML.method. In this implementation, the composite control displays a
This example has a text box that accepts user input, which is a potential security threat. By default, ASP.NET Web pages validate that user input does not include script or HTML elements. For more information, see Script Exploits Overview.
' Override CreateChildControls to create the control tree. <System.Security.Permissions.PermissionSetAttribute(System.Security.Permissions.SecurityAction.Demand, Name:="Execution")> _ Protected Overrides Sub CreateChildControls() ' Add a LiteralControl to the current ControlCollection. Me.Controls.Add(New LiteralControl("<h3>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("</h3>")) End Sub 'CreateChildControls
Available since 1.1