.Net母版页简明教程+

模板页代码： 无标题页   网站页面部分，这部分对于所有的内容页面都是不可以编辑的。    南开大学        天津大学     北京大学 xfvbzxfzsdzsfzd 页面代码：A：   B： 北京大学  C： 北京大学 模板页编程技术首先对模板页进行定义：using System;using System.Data;using System.Configuration;using System.Collections;using System.Web;using System.Web.Security;using System.Web.UI;using System.Web.UI.WebControls;using System.Web.UI.WebControls.WebParts;using System.Web.UI.HtmlControls;public partial class MasterPage : System.Web.UI.MasterPage protected void Page_Load(object sender, EventArgs e) public String loginName; private String loginTime; protected override void OnInit(EventArgs e) if (SessionUserName != null) loginName = SessionUserName.ToString(); else loginName = 您还没有登录; base.OnInit(e); public String GetLoginTime() if (SessionLoginName != null) loginTime = 您登录的时间为 + SessionLoginTime.ToString(); else loginTime = ; return loginTime; 在登录页面内增加如下代码，保证获取session的值：using System;using System.Data;using System.Configuration;using System.Collections;using System.Web;using System.Web.Security;using System.Web.UI;using System.Web.UI.WebControls;using System.Web.UI.WebControls.WebParts;using System.Web.UI.HtmlControls;public partial class Login : System.Web.UI.Page protected void Page_Load(object sender, EventArgs e) protected void Button1_Click(object sender, EventArgs e) String a = this.TextBox1.Text; Sessionusername = a; SessionLogin = System.DateTime.Now.ToString(); Response.Redirect(default.aspx, false); 在default页面内进行代码的显示：首先在页面内，page指令下增加如下代码：其次要在代码窗体内增加如下代码：using System;using System.Data;using System.Configuration;using System.Collections;using System.Web;using System.Web.Security;using System.Web.UI;using System.Web.UI.WebControls;using System.Web.UI.WebControls.WebParts;using System.Web.UI.HtmlControls;public partial class _Default : System.Web.UI.Page protected void Page_Load(object sender, EventArgs e) this.Label1.Text = this.Master.loginName; this.Label2.Text = this.Master.GetLoginTime(); 获取模板页的控件的值using System;using System.Data;using System.Configuration;using System.Collections;using System.Web;using System.Web.Security;using System.Web.UI;using System.Web.UI.WebControls;using System.Web.UI.WebControls.WebParts;using System.Web.UI.HtmlControls;public partial class mobanye2_Default : System.Web.UI.Page protected void Page_Load(object sender, EventArgs e) protected void mpTextBox_TextChanged(object sender, EventArgs e) protected void Button1_Click(object sender, EventArgs e) ContentPlaceHolder mp; TextBox mpTextBox; mp = (ContentPlaceHolder)Master.FindControl(ContentPlaceHolder1); if (mp != null) Label b = (Label)mp.FindControl(Label2); if(b!=null) Label1.Text = nei bu; else Label1.Text = where is the problems?; else Label1.Text = no nei bu; / Gets a reference to a Label control that is not in a / ContentPlaceHolder control Label mpLabel = (Label)Master.FindControl(Label1); if (mpLabel != null) /Label1.Text = Master page label = + mpLabel.Text; Label2.Text = wai bu; else Label1.Text = no wai bu; 动态附加母版页Default.aspx protected void Page_PreInit(Object sender, EventArgs e) this.MasterPageFile = MasterBlue.master; if(Request.QueryStringcolor = green) this.MasterPageFile = MasterGreen.master; this.Title = Master.MyTitle; HyperLink HyperLink addn an MasterBlue.master / No property here that overrrides the MyTitle property of the base master No title Content from MasterBlue. MasterGreen.master public override String MyTitle get return MasterGreen Title; No title Content from MasterGreen. BaseMaster.csusing System;using System.Data;using System.Configuration;using System.Web;using System.Web.Security;using System.Web.UI;using System.Web.UI.WebControls;using System.Web.UI.WebControl