page-lifecycle

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Adding a control to a panel gives me "Object Reference not set to an instance of the object" error

Trying to dynamically add a user control that dynamically generates content.The User Control cannot get a handle on the panel to put controls in.[详细]

2023-04-13 04:57 分类：问答
JSF - variable set of params based on postback

In this post, the excellent BalusC pointed out the use of <c:forEach> to get the parameters at build time.[详细]

2023-04-12 21:27 分类：问答
ASP.NET Page life cycle: methods vs Events

Can someone please explain to me the 开发者_开发问答difference between methods and events in the ASP.NET page life cycle?When a page runs a series of methods are executed. These methods in turn raise[详细]

2023-04-11 04:14 分类：问答
How to execute a Method when a User close the Browser or visit another Page?

I use c# asp.net 4 web.forms. I have a page (lets called it X) I need execute a method on X in this situation only:[详细]

2023-04-09 06:46 分类：问答
Does calling a delegate defined with a signature (e.g.) Func<t,t> type excecute synchronously in ASP.NET?

On first examination it appears that it does. A quick examination of the call stack shows that the method passed to the delegate is executed as one would expect. However....[详细]

2023-04-06 20:35 分类：问答
page strange behavior

I face so strange action in my page. I have a radio button list, according to the selection i execute specific code.[详细]

2023-04-06 16:22 分类：问答
asp.net: what's the page life cycle order of a control/page compared to a user contorl inside it?

I have an aspx and inside it an ascx. From a short testing I see the PageLoad of the aspx is called before the PageLoad of the user-Control but the opposite is true for 开发者_JAVA百科OnInit.[详细]

2023-04-03 11:00 分类：问答
Would base.OnLoad() cause an infinite loop if called in page_load event?

A member of my team went through a few pages in our ASP.NET web application and changed some OnLoad overrides to page_load events, but he did not remove the call to base.OnLoad().[详细]

2023-04-03 03:01 分类：问答
What is the last stage to attach viewstate Data to a dynamic control?

I have an Ascx control which I reload every Page_load using Loadcontrol. This Ascx has a Button And Label[详细]

2023-04-02 05:04 分类：问答
Httpcontext is null?

Is it right to say that when Httpcontext object is null- so the iis is down ? i know that when the first request to iis ( asp.net) the application manager creates[详细]

2023-04-02 04:19 分类：问答