继承System.Web.UI.Page的页面基类 示例（转截）

using System;
using System.Web.UI;
using System.Web.UI.WebControls;

namespace CommonClass
{
/// 

/// 页面的基类。 /// 
/// 
public class PageBase:System.Web.UI.Page
{
public PageBase()
{
//
// TODO: 在此处添加构造函数逻辑
// 
}
/// 
/// 模块名称
/// 
public String ModuleName
{
set{ViewState["ModuleName"]=value;}
get{return ViewState["ModuleName"].ToString();}
}
private string _Message;
/// 
/// 向用户显示信息提示
/// 
public String Message
{
get{return _Message;}
set{_Message = value;}
}
/// 
/// 检查是否有特定的权限
/// 
/// 安全选项 /// 
// public bool CheckPermissionSuccess(Framework.SecurityOption sec)
// {
// //TODO:实现Framework.Security类，如浏览、修改、管理权限
// return Framework.Security.CheckValid(this.ModuleName,sec);
// }
/// 
/// 页最顶端的PlaceHolder
/// 
public System.Web.UI.WebControls.PlaceHolder plhTopHolder;
/// 
/// 页最底端的PlaceHolder
/// 
public System.Web.UI.WebControls.PlaceHolder plhBottomHolder;

protected override void OnInit(EventArgs e)
{
//初始化控件
plhTopHolder = new PlaceHolder();
plhBottomHolder = new PlaceHolder();

//添加顶端PlaceHolder
Control form1 = this.FindControl("Form1");
if (form1 != null) form1.Controls.AddAt(0,plhTopHolder);

//添加页眉的用户自定义控件
ITemplate Header = Page.LoadTemplate("~/Controls/Header.ascx");
this.plhTopHolder.Controls.Add(Header);

//event
this.Load+=new EventHandler(PageBase_Load);
this.Error+=new EventHandler(PageBase_Error);
this.PreRender+=new EventHandler(PageBase_PreRender);

base.OnInit (e);
}
private void PageBase_Load(object sender, EventArgs e)
{
//添加底端PlaceHolder
Control form1 = this.FindControl("Form1");
if (form1 != null) form1.Controls.Add(plhBottomHolder);
//添加页脚的用户自定义控件
//ITemplate Footer = Page.LoadTemplate("~/Controls/Footer.ascx");
//this.plhBottomHolder.Controls.Add(Footer);

}
private void PageBase_Error(object sender, EventArgs e)
{
#if !Debug
// Exception exc = Server.GetLastError();
// 记录未处理的错误
// XMLLog.AddErrorLog(exc,userName);
// Server.Transfer("~/PageError.aspx?error=" + Server.HtmlEncode(exc.Message));
#endif
}
private void PageBase_PreRender(object sender, EventArgs e)
{
//添加信息提示
if (this._Message != null && this._Message != String.Empty)
{
LiteralControl litMessage = new LiteralControl("

" + Message + "

");
plhTopHolder.Controls.Add(litMessage);
}
}
}

}