public class FriendsBase : System.Web.UI.Page //必须继承于Page类
{
protected string HeaderMessage = String.Empty;
protected string HeaderIconImageUrl = String.Empty;
FriendsFooter _footer;
FriendsHeader _header;
SubHeader _subheader;
//重写OnInit方法,将一些自定义控件及用户控件载入,并都放入0位置
protected override void OnInit(EventArgs e)
{
_header = (FriendsHeader) LoadControl
(Request.ApplicationPath + Path.AltDirectorySeparatorChar +
"Controls/FriendsHeader.ascx");
_footer = (FriendsFooter) LoadControl
(Request.ApplicationPath + Path.AltDirectorySeparatorChar +
"Controls/FriendsFooter.ascx");
_subheader = new SubHeader();
// Add to the Controls hierarchy to get proper
// event handling, on rendering we position them
Page.Controls.AddAt(0, _header);
Page.Controls.AddAt(0, _subheader);
Page.Controls.AddAt(0, _footer);
base.OnInit(e);
}
//重写Render方法
protected override void Render(System.Web.UI.HtmlTextWriter writer)
{
//移除页面类所包含的各个层次级别中的控件 Remove the controls from their current place in the hierarchy
Page.Controls.Remove(_header);
Page.Controls.Remove(_subheader);
Page.Controls.Remove(_footer);
Debug.Assert(
Page.Controls[1].ToString()=="System.Web.UI.HtmlControls.HtmlForm",
"Form control not found",
"Any FriendsReunion page requires that a Form control be " +
"located at index 1 of the Page.Controls collection");
// 页面Page为索引号为1的控件Get a reference to the form control
HtmlForm form = (HtmlForm)Page.Controls[1];
//在页面上重新分配各种控件 Reposition the controls on the page
form.Controls.AddAt(0, _header );
form.Controls.AddAt(1, _subheader );
form.Controls.AddAt(form.Controls.Count, _footer );
//Set current values
_header.Message = HeaderMessage;
_header.IconImageUrl = HeaderIconImageUrl;
//调用基类的Render方法
base.Render(writer);
}
}
{
protected string HeaderMessage = String.Empty;
protected string HeaderIconImageUrl = String.Empty;
FriendsFooter _footer;
FriendsHeader _header;
SubHeader _subheader;
//重写OnInit方法,将一些自定义控件及用户控件载入,并都放入0位置
protected override void OnInit(EventArgs e)
{
_header = (FriendsHeader) LoadControl
(Request.ApplicationPath + Path.AltDirectorySeparatorChar +
"Controls/FriendsHeader.ascx");
_footer = (FriendsFooter) LoadControl
(Request.ApplicationPath + Path.AltDirectorySeparatorChar +
"Controls/FriendsFooter.ascx");
_subheader = new SubHeader();
// Add to the Controls hierarchy to get proper
// event handling, on rendering we position them
Page.Controls.AddAt(0, _header);
Page.Controls.AddAt(0, _subheader);
Page.Controls.AddAt(0, _footer);
base.OnInit(e);
}
//重写Render方法
protected override void Render(System.Web.UI.HtmlTextWriter writer)
{
//移除页面类所包含的各个层次级别中的控件 Remove the controls from their current place in the hierarchy
Page.Controls.Remove(_header);
Page.Controls.Remove(_subheader);
Page.Controls.Remove(_footer);
Debug.Assert(
Page.Controls[1].ToString()=="System.Web.UI.HtmlControls.HtmlForm",
"Form control not found",
"Any FriendsReunion page requires that a Form control be " +
"located at index 1 of the Page.Controls collection");
// 页面Page为索引号为1的控件Get a reference to the form control
HtmlForm form = (HtmlForm)Page.Controls[1];
//在页面上重新分配各种控件 Reposition the controls on the page
form.Controls.AddAt(0, _header );
form.Controls.AddAt(1, _subheader );
form.Controls.AddAt(form.Controls.Count, _footer );
//Set current values
_header.Message = HeaderMessage;
_header.IconImageUrl = HeaderIconImageUrl;
//调用基类的Render方法
base.Render(writer);
}
}