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我试过没有成功,请遵循此处和其他论坛上给出的代码。我无法让事件发生。对由动态控件引发的事件的后期绑定 - 事件不会触发
手动添加到表单的相同控件工作正常......它引发了事件并且父表单消耗它。所以控制能够工作,而不是以我现在(到目前为止)试图用Reflection完成的方式。
我可以从这里下载的Web应用程序的一个小DEMO:
http://ube.dev.campuswebstore.mobi/dloadfile.htm
下面是代码,我会评论我在哪里试图将事件链接到处理程序(的一部分不工作):
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Reflection;
namespace WebApplication2
{
public partial class _Default : System.Web.UI.Page
{
protected void Page_Init(object sender, System.EventArgs e)
{
TestRaiseEvent77.ButtonClickEvent += new ButtonWasClicked(TestRaiseEvent77_ButtonClickEvent);
string layout = "";
if (Request.QueryString["layout"] != null)
{
layout = Request.QueryString["layout"] as string;
}
else
{
layout = "default";
}
if (!Page.IsPostBack)
{
GlobalMethods.InitControlList();
LoadControls(layout);
AddControlsFromList();
WireControlEventsToHandlers();
}
else
{
AddControlsFromList();
WireControlEventsToHandlers();
}
}
void TestRaiseEvent77_ButtonClickEvent(string message)
{
}
private void AddControlsFromList()
{
sitemanagercontrolsdiv.Controls.Clear();
try
{
if (GlobalMethods.divlayoutgencontrols != null)
{
foreach (Control c in GlobalMethods.divlayoutgencontrols)
{
sitemanagercontrolsdiv.Controls.Add(c);
}
}
}
catch (Exception eee)
{
string a = eee.Message;
}
}
protected void Page_Load(object sender, EventArgs e)
{
}
//注:
//The control collection cannot be modified during
//DataBind,
//Init,
//Load,
//PreRender or
//Unload phases.
private void WireControlEventsToHandlers()
{
foreach (Control c in sitemanagercontrolsdiv.Controls)
{
Type controlType = c.GetType();
BindingFlags myBindingFlags = BindingFlags.Instance | BindingFlags.Public;
EventInfo[] myEvents = controlType.GetEvents(myBindingFlags);
for (int j = 0; j < myEvents.Count(); j++)
{
string eventName = myEvents.ElementAt(j).Name;
if (eventName == "ButtonClickedEvent")
{
MethodInfo handler = typeof(_Default).GetMethod("SomeHandler");
Delegate del = Delegate.CreateDelegate(myEvents.ElementAt(j).EventHandlerType, this, handler);
////////////////////////////////无论这是做什么工作不
myEvents.ElementAt(j).AddEventHandler(c, del);
}
}
c.Visible = true;
string tempGUID = Guid.NewGuid().ToString();
c.ID = "TestRaiseEvent" + tempGUID + "1";
}
}
private void LoadControls(string layout)
{
Control c = LoadControl("~/TestRaiseEvent.ascx");
GlobalMethods.divlayoutgencontrols.Add(c);
}
//////////////////我试图联络的事件给这个处理程序:
public void SomeHandler(string message)
{
// do something
}
}
}
请随时纪念这个作为回答。 –