Calendar.CreateControlCollection Method
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Creates a collection to store child controls.
protected:
override System::Web::UI::ControlCollection ^ CreateControlCollection();
protected override System.Web.UI.ControlCollection CreateControlCollection ();
override this.CreateControlCollection : unit -> System.Web.UI.ControlCollection
Protected Overrides Function CreateControlCollection () As ControlCollection
Returns
Always returns an InternalControlCollection
object.
Examples
The following code example demonstrates how to override the CreateControlCollection method in a custom server control so that it always returns a new instance of the EmptyControlCollection class for the Calendar control.
<%@ Register TagPrefix="aspSample" Namespace="Samples.AspNet.CS.Controls" Assembly="Samples.AspNet.CS" %>
<%@ Page language="c#" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
<title>Custom Calendar - CreateControlCollection - C# Example</title>
</head>
<body>
<form id="Form1" method="post" runat="server">
<h3>Custom Calendar - CreateControlCollection - C# Example</h3>
<aspSample:CustomCalendarCreateControlCollection
id="Calendar1"
runat="server" />
</form>
</body>
</html>
<%@ Register TagPrefix="aspSample" Namespace="Samples.AspNet.VB.Controls" Assembly="Samples.AspNet.VB" %>
<%@ Page language="VB" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
<title>Custom Calendar - CreateControlCollection - VB.NET Example</title>
</head>
<body>
<form id="Form1" method="post" runat="server">
<h3>Custom Calendar - CreateControlCollection - VB.NET Example</h3>
<aspSample:CustomCalendarCreateControlCollection id="Calendar1" runat="server" />
</form>
</body>
</html>
using System.Web;
using System.Security.Permissions;
namespace Samples.AspNet.CS.Controls
{
[AspNetHostingPermission(SecurityAction.Demand, Level = AspNetHostingPermissionLevel.Minimal)]
public sealed class CustomCalendarCreateControlCollection : System.Web.UI.WebControls.Calendar
{
protected override System.Web.UI.ControlCollection CreateControlCollection()
{
// Return a new EmptyControlCollection
return new System.Web.UI.EmptyControlCollection(this);
}
}
}
Imports System.Web
Imports System.Security.Permissions
Namespace Samples.AspNet.VB.Controls
<AspNetHostingPermission(SecurityAction.Demand, Level:=AspNetHostingPermissionLevel.Minimal)> _
Public NotInheritable Class CustomCalendarCreateControlCollection
Inherits System.Web.UI.WebControls.Calendar
Protected Overrides Function CreateControlCollection() As System.Web.UI.ControlCollection
' Return a new EmptyControlCollection
Return New System.Web.UI.EmptyControlCollection(Me)
End Function
End Class
End Namespace
Remarks
The CreateControlCollection method is primarily of interest to control developers who extend the functionality of the Calendar control.
Applies to
Feedback
https://aka.ms/ContentUserFeedback.
Binnenkort: Gedurende 2024 worden GitHub Issues uitgefaseerd als het feedbackmechanisme voor inhoud. Dit wordt vervangen door een nieuw feedbacksysteem. Ga voor meer informatie naar:Feedback verzenden en bekijken voor