我有一个名为RolloverLink的UserControl,基本上包含一个asp:LinkButton
和<img />
。我尝试设置onclick处理程序是这样的:UserControl中的LinkButton回发但不会触发OnClick
<%@ Control Language="C#" AutoEventWireup="true"
CodeBehind="RolloverLink.ascx.cs" Inherits="Controls.RolloverLink" %>
<asp:LinkButton runat="server" ID="mug" OnClick="propagate"
CausesValidation="false" onmouseout="MM_swapImgRestore()" >
<img runat="server" ID="pug" name="<%# pug.ClientID %>" border="0" />
</asp:LinkButton>
我把一个断点在propagate
方法,但它不停止那里。该页面发回(闪烁),但事件不会被调用。
下面是我的代码背后的样子:
public partial class RolloverLink : System.Web.UI.UserControl
{
private string _imageRl;
public string Href { get; set; }
public string ImageUp { get { return pug.Src; } set { pug.Src = value; } }
public string ImageRl {
get
{
return _imageRl;
}
set
{
_imageRl = value;
mug.Attributes["onmouseover"] = "MM_swapImage('"+pug.ClientID+"','','"+_imageRl+"',1)";
}
}
public string Alt { get { return pug.Alt; } set { pug.Alt = value; } }
public int Width { get { return pug.Width; } set { pug.Width = value; } }
public int Height { get { return pug.Height; } set { pug.Height = value; } }
public event EventHandler Click
{
add{click += value; }
remove { click -= value; }
}
private event EventHandler click;
protected void Page_Load(object sender, EventArgs e)
{
if (Request.Url.AbsolutePath.EndsWith(Href))
ImageUp = ImageRl;
}
protected void propagate(object sender, EventArgs e)
{
EventHandler copy = click;
if (copy != null)
copy(this, EventArgs.Empty);
else
Response.Redirect(Href);
}
}
,这是我如何使用它我的母版页:
<pwc:RolloverLink ID="contacts" Href="Contacts.aspx"
ImageRl="images/M_contacts_rl.png" ImageUp="images/M_contacts_up.png"
Alt="Initech Global : Laurierville, Québec, Canada" Width="61"
Height="17" runat="server" />
有没有人有一个想法或一个指针的想法?
检查LinkButton的对所有同一个客户端文章 - 您可以通过检查浏览器上的元素来检查 – 2010-08-18 16:27:44
ClientID似乎每页加载都保持不变:''。 – 2010-08-18 18:51:25