從用戶控件開始:
<asp:Button ID="Button1" runat="server" Text="Edit "
OnClientClick="return confirm('Are you certain you want to Navigate?');"
Width="341px" onclick="Button1_Click"/>
在使用這個背後的代碼創建時觸發的自定義事件button'c點擊
using System;
using System.Web.UI;
namespace TestApplication
{
public partial class Edit : UserControl
{
public string DefaultValue { get; set; }
protected void Page_Load(object sender, EventArgs e)
{
}
private static object EditClickKey = new object();
public delegate void EditEventHandler(object sender, EditEventArgs e);
public event EditEventHandler EditClick
{
add
{
Events.AddHandler(EditClickKey, value);
}
remove
{
Events.RemoveHandler(EditClickKey, value);
}
}
protected void Button1_Click(object sender, EventArgs e)
{
OnEditClick(new EditEventArgs(DefaultValue));
}
protected virtual void OnEditClick(EditEventArgs e)
{
var handler = (EditEventHandler)Events[EditClickKey];
if (handler != null)
handler(this, e);
}
public class EditEventArgs : EventArgs
{
private string data;
private EditEventArgs()
{
}
public EditEventArgs(string data)
{
this.data = data;
}
public string Data
{
get
{
return data;
}
}
}
}
}
的「的Default.aspx」頁面將包含事件處理程序爲您的新的自定義事件。
標記:
<asp:TextBox ID="TextBox1" runat="server" Width="262px"></asp:TextBox>
<uc1:Edit ID="Edit1" runat="server" OnEditClick="EditClick_OnEditClick" DefaultValue="default" />
代碼背後:
protected void EditClick_OnEditClick(object sender, TestApplication.Edit.EditEventArgs e)
{
TextBox1.Text = e.Data;
}