2 c# event-handling late-binding
我正在动态创建对象并将它们插入到html表中,对象是标签或链接按钮,如果它们是链接按钮,我需要为click事件订阅一个事件处理程序,但我很难找到一种方法来实际添加处理程序.到目前为止的代码是:
WebControl myControl;
if _createLabel)
{
myControl = new Label();
}
else
{
myControl = new LinkButton();
}
myControl.ID = "someID";
myControl.GetType().InvokeMember("Text", BindingFlags.SetProperty, null, myControl, new object[] { "some text" });
if (!_createLabel)
{
// somehow do myControl.Click += myControlHandler; here
}
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以下将有效:
LinkButton lnk = myControl as LinkButton;
if (lnk != null)
{
lnk.Click += myControlHandler;
}
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