本文介绍了一个使用ASP.NET进行页面间传值的例子。具体实现方式为通过按钮触发PostBack事件，将输入框中的用户名传递到另一个页面，并在新页面上显示。此示例涉及的页面包括FirstPage和SecondPage。
页面1：Prev_FirstPage.aspx<%@ Page Language="C#" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
public String UserName
{
get { return this.txtName.Text; }
}
protected void Button1_Click(object sender, EventArgs e)
{
Label1.Text = "Postback from self. Your Name is:" + txtName.Text;
}
</script>
<html xmlns="http://www.w3.org/1999/xHTML">
<head runat="server">
<meta content="text/JScript" http-equiv="content-script-type" />
<title>First Page</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<h3>
The Frist Page</h3>
Your Name:
<asp:TextBox ID="txtName" runat="server" />
<asp:Label ID="Label1" runat="server" EnableViewState="False" /><br />
<br />
<asp:Button ID="Button1" runat="server" Text="Postback to Same Page"
OnClick="Button1_Click" /><br />
<br />
<asp:Button ID="Button2" runat="server" Text="Postback to Second Page"
PostBackUrl="Prev_SecondPage.aspx" /><br />
</div>
</form>
</body>
</html>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
public String UserName
{
get { return this.txtName.Text; }
}
protected void Button1_Click(object sender, EventArgs e)
{
Label1.Text = "Postback from self. Your Name is:" + txtName.Text;
}
</script>
<html xmlns="http://www.w3.org/1999/xHTML">
<head runat="server">
<meta content="text/JScript" http-equiv="content-script-type" />
<title>First Page</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<h3>
The Frist Page</h3>
Your Name:
<asp:TextBox ID="txtName" runat="server" />
<asp:Label ID="Label1" runat="server" EnableViewState="False" /><br />
<br />
<asp:Button ID="Button1" runat="server" Text="Postback to Same Page"
OnClick="Button1_Click" /><br />
<br />
<asp:Button ID="Button2" runat="server" Text="Postback to Second Page"
PostBackUrl="Prev_SecondPage.aspx" /><br />
</div>
</form>
</body>
</html>
页面2：Prev_SecondPage.aspx<%@ Page Language="C#" %>
<%@ PreviousPageType VirtualPath="Prev_FirstPage.aspx" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
protected void Page_Load(object sender, EventArgs e)
{
this.Label1.Text = "Your Name is :" + PreviousPage.UserName;
}
</script>
<html xmlns="http://www.w3.org/1999/xHTML">
<head runat="server">
<title>Second Page</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<h1>
This is the Second Page</h1>
<p>
<asp:Label ID="Label1" runat="server"></asp:Label></p>
</div>
</form>
</body>
</html>
<%@ PreviousPageType VirtualPath="Prev_FirstPage.aspx" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
protected void Page_Load(object sender, EventArgs e)
{
this.Label1.Text = "Your Name is :" + PreviousPage.UserName;
}
</script>
<html xmlns="http://www.w3.org/1999/xHTML">
<head runat="server">
<title>Second Page</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<h1>
This is the Second Page</h1>
<p>
<asp:Label ID="Label1" runat="server"></asp:Label></p>
</div>
</form>
</body>
</html>
扫一扫
366
被折叠的 条评论
为什么被折叠?
到【灌水乐园】发言
