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Zone: > NEWSGROUP > Asp.Net Forum > windows_hosting.hosting_open_forum Tags:
Item Type: NewsGroup Date Entered: 1/22/2004 12:51:21 AM Date Modified: Subscribers: 0 Subscribe Alert
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WhatThe12
Asp.Net User
IPostBackDataHandler1/22/2004 12:51:21 AM

0/0

It says in the doc..

"For a control to be able to examine form data that is posted back by the client, it must implement the System.Web.UI.IPostBackDataHandler interface."

Surely its possible to do this in an onLoad handler using the Request object. Why is this extra complexity necessary?

Cheers,

WT.
Web dev - spending forever achieving nothing.
Andy Smith
Asp.Net User
Re: IPostBackDataHandler1/22/2004 1:20:32 AM

0/0

the point is that the IPostBackDataHandler methods always get called at the proper time in the page lifecycle.
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Web:
IPostBackDataHandler Interface (System.Web.UI) Defines methods that ASP.NET server controls must implement to automatically load postback data.
Dr. Dobb's | The IPostBackDataHandler Interface | March 9, 2006 Mar 9, 2006 ... Server controls implementing the IPostBackDataHandler interface are a key part of ASP.NET's postack mechanism.
Docs For Class IPostBackDataHandler Class Details. [line 168] IPostBackDataHandler interface. If a controls wants to load post data, it must implement IPostBackDataHandler. ...
Joteke's Blog : IPostBackDataHandler and IPostBackEventHandler in ... In ASP.NET 1.1 if your custom control implemented both IPostBackDataHandler and IPostBackEventHandler interfaces, it had to manually call Page.
IPostBackDataHandler.RaisePostDataChangedEvent Method (System.Web.UI) IPostBackDataHandler.RaisePostDataChangedEvent Method. Updated: November 2007. When implemented by a class, signals the server control to notify the ASP. ...
Software/Technology Discussion : IPostBackDataHandler and ... I've been messing around with post back handler in ASP.NET today, and I found out a few points of interest. Firstly, a description of the two interfaces ...
Help w/ IPostBackDataHandler - ASP.NET General Help w/ IPostBackDataHandler ASP.NET General. ... NET > ASP.NET General ยท Reload this Page Help w/ IPostBackDataHandler ...
IPostBackDataHandler.LoadPostData never called I am replacing a standard asp :TextBox control with a custom control. Everything works except that the value entered does is not retained when the.
Handling ASP.NET custom Control PostData in OnInit or ... Traditionally you're supposed to implement IPostBackDataHandler for this but it seems like this is overkill for a single internal variable...
Re: IPostBackDataHandler not working properly with DataGrid Your code snippet worked like a charm. ... the user control nested in a datagrid . ... Only command events are raised and exposed ... public virtual void ...




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