讨论、探索、进步(希望各位大虾提供一控件开发方案)

[activeandbadboy]

我想做一个用于Web上的控件,实现上面显示图片，下面显示文字的按钮
图片在鼠标移出、移入时显示不同图片，请问该如何下手：

[gshope]

自己写个用户控件吧，可以大大提高代码重用性。

[activeandbadboy]

用户控件的事件怎么添加啊，我是初学者，请多指教，谢谢

[lcg200x]

去看.net系统架构与开发！里边有写控件的知识！

[gshope]

给一段代码：
>>>在其他ASPX页面中该如何知道用户控件引发的事件??

expose an event from your control, for example


public class MyEventArgs: EventArgs
{
string sButtonName;
public MyEventArgs(string sName)
{
sButtonName = sName;
}

public string ButtonName
{
get {return sButtonName;}
}

}


public delegate void MyEventHandler(object sender, MyEventArgs e);


public abstract class pageBind : System.Web.UI.UserControl
{
public event MyEventHandler MyEvent;

...

protected virtual void OnMyEvent(MyEventArgs e)
{
if (MyEvent != null)
MyEvent(this, e)
}


public void lnkFirst_Click(object sender, System.EventArgs e)
{
pageNum = 0;

OnMyEvent(new MyEventArgs("First"));
}

...

}

on your page, you do

<my:YourControl id=yc runat=server OnMyEvent="YourMethod" />


void YourMethod(object sender, MyEventArgs e)
{
if (e.ButtonName == "First")
//...
}

also if you need a pager control, don't reinvent the wheel, see
Creating a Pager Control for ASP.NET
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dnaspp/html/PagerControls.asp