用户控件的事件处理程序不开火 [英] UserControl's Event Handler not firing
问题描述
我一个动态的用户控件加载到一个视图,在MultiView控件。虽然用户控件添加一个事件处理程序,该事件永远不会触发。
我缺少的是在这里吗? !
谢谢
包含ASPX页面:
保护覆盖无效的OnPreRender(EventArgs的发送)
{
如果(MultiView1.ActiveViewIndex == 2)//如果选择该选项卡,负载控制
{
控制演示= LoadControl(Presenter.ascx);
(MultiView1.ActiveViewIndex.Views [2] .Controls.Add(演示);
}
base.OnPreRender(E);
}
Presenter.ascx.cs
覆盖保护无效的OnInit(EventArgs的发送)
{
Retry.Click + = this.Retry_Click; //这是一个.NET 2.0项目
base.OnInit( E);
}
保护无效Retry_Click(对象发件人,EventArgs五)
{
//这永远不会触发
$} b $ b
我想这是不点火,因为你是加载在你的页面的PreRender事件的控制。当回发,控制正在消失,因为没有它的视图状态。因此,没有任何控制火的事件。尝试加载页面的init事件的控制,让我们知道会发生什么!
I dynamically load a UserControl into a View that's in a MultiView control. Although the UserControl adds an event handler, the event never fires.
What am I missing here? Thanks!
Containing ASPX page:
protected override void OnPreRender(EventArgs e)
{
if (MultiView1.ActiveViewIndex == 2) //If the tab is selected, load control
{
Control Presenter = LoadControl("Presenter.ascx");
(MultiView1.ActiveViewIndex.Views[2].Controls.Add(Presenter);
}
base.OnPreRender(e);
}
Presenter.ascx.cs
override protected void OnInit(EventArgs e)
{
Retry.Click += this.Retry_Click; //This is a .Net 2.0 project
base.OnInit(e);
}
protected void Retry_Click(object sender, EventArgs e)
{
//This never fires
}
I am thinking it is not firing because you are loading the control in your page's prerender event. Upon postback, the control is being lost because there is no view state for it. Therefore there is no control to fire its event. Try to load the control in the page's init event. Let us know what happens!
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