TextBox.AddParsedSubObject Method
.NET Framework 2.0
This method supports the .NET Framework infrastructure and is not intended to be used directly from your code.
Overridden to allow only literal controls to be added as the Text property.
Namespace: System.Web.UI.WebControlsAssembly: System.Web (in system.web.dll)
The following code example demonstrates how to override the AddParsedSubObject method in a custom server control so that it always sets the Text property to the parsed object's Text property if the parsed object is a Literal control, and throws an exception otherwise.
<%@ Register TagPrefix="aspSample" Namespace="Samples.AspNet.JSL.Controls" Assembly="Samples.AspNet.JSL" %>
<%@ Page Language="VJ#" AutoEventWireup="True" %>
<HTML>
<HEAD>
<title>Custom TextBox - AddParsedSubObject - VJ# Example</title>
</HEAD>
<body>
<form id="Form1" method="get" runat="server" title="Custom TextBox - AddParsedSubObject - VJ# Example" language="VJ#">
<h3>Custom TextBox - AddParsedSubObject - VJ# Example</h3>
<aspSample:CustomTextBoxAddParsedSubObject
id="TextBox1"
runat="server"
text="Hello World!">
</aspSample:CustomTextBoxAddParsedSubObject>
</form>
</body>
</HTML>
package Samples.AspNet.JSL.Controls;
public class CustomTextBoxAddParsedSubObject
extends System.Web.UI.WebControls.TextBox
{
protected void AddParsedSubObject(Object obj)
throws System.Web.HttpException
{
// If the object is a LiteralControl, then set this control's
// Text property.
if (obj instanceof System.Web.UI.LiteralControl) {
this.set_Text(((System.Web.UI.LiteralControl)obj).get_Text());
}
else {
throw new System.Web.HttpException("You cannot have a child "
+ "control of type "
+ obj.GetType().get_Name().ToString());
}
} //AddParsedSubObject
} //CustomTextBoxAddParsedSubObject
Windows 98, Windows 2000 SP4, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.
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