演示Session对象使用范例(示例代码下载)

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2005年12月31日 22:59:00

(一).说明

用一个测试示例说明Session的使用方法, 包括以下方面:

存储对象到Session中，设置监督Session的失效时间. 释放Session中存储变量.

(二).演示图例

(三).代码

>%@ Page language="c#" AutoEventWireup="false" %<
>%@ Import Namespace="System.Data"%<
>%@ Import Namespace="System.Web"%<
>script language="cs" runat="server"<
private void btnAbandon_Click(object sender, System.EventArgs e)
{
Session.Abandon();
}
private void btnVar_Click(object sender, System.EventArgs e)
{
Session["Name"]=txtVar.Text;
Session.Timeout=int.Parse(txtTime.Text);
}
private void btnShow_Click(object sender, System.EventArgs e)
{
name.Text=(string)Session["Name"];
time.Text=Session.Timeout.ToString();
}
>/script<
>!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" <
>HTML<
>HEAD<
>title/title<
>meta content="Microsoft Visual Studio 7.0" name="GENERATOR"<
>meta content="C#" name="CODE_LANGUAGE"<
>meta content="JavaScript" name="vs_defaultClientScript"<
>meta content="http://schemas.microsoft.com/intellisense/ie5" name="vs_targetSchema"<
>/HEAD<
>body bgColor="lightgoldenrodyellow" MS_POSITIONING="GridLayout"<
>form id="Form1" method="post" runat="server"<
>FONT face="宋体"<
>asp:label id="Label1" style="Z-INDEX: 100; LEFT: 205px; POSITION: absolute; TOP: 134px" runat="server" ForeColor="LightSeaGreen" Font-Bold="True"/asp:label<>asp:label id="time" style="Z-INDEX: 113; LEFT: 382px; POSITION: absolute; TOP: 207px" runat="server"<>/asp:label<>asp:button id="btnShow" OnClick="btnShow_Click" style="Z-INDEX: 107; LEFT: 340px; POSITION: absolute; TOP: 242px" runat="server" Text="显示会话变量"<>/asp:button<>asp:button id="btnVar" OnClick="btnVar_Click" style="Z-INDEX: 106; LEFT: 178px; POSITION: absolute; TOP: 241px" runat="server" Text="会话变量设置"<>/asp:button<>asp:label id="Label2" style="Z-INDEX: 102; LEFT: 204px; POSITION: absolute; TOP: 169px" runat="server" ForeColor="LightSeaGreen" Font-Bold="True"/asp:label<>asp:textbox id="txtVar" style="Z-INDEX: 101; LEFT: 338px; POSITION: absolute; TOP: 131px" runat="server"<>/asp:textbox<
>asp:TextBox id="txtTime" style="Z-INDEX: 103; LEFT: 337px; POSITION: absolute; TOP: 165px" runat="server"<>/asp:TextBox<
>asp:Button id="btnAbandon" OnClick="btnAbandon_Click" style="Z-INDEX: 104; LEFT: 501px; POSITION: absolute; TOP: 240px" runat="server" Text="终止会话"<>/asp:Button<
>asp:Panel id="Panel1" style="Z-INDEX: 105; LEFT: 201px; POSITION: absolute; TOP: 43px" runat="server" Width="344px" Height="38px" ForeColor="#0000C0" Font-Size="X-Large"/asp:Panel<>/FONT<
>asp:Label id="name" style="Z-INDEX: 109; LEFT: 261px; POSITION: absolute; TOP: 205px" runat="server"<>/asp:Label<
>asp:RequiredFieldValidator id="RequiredFieldValidator1" style="Z-INDEX: 110; LEFT: 504px; POSITION: absolute; TOP: 132px" runat="server" ErrorMessage="请输入Session变量名" ControlToValidate="txtVar"<**>/asp:RequiredFieldValidator<
>asp:RequiredFieldValidator id="RequiredFieldValidator2" style="Z-INDEX: 111; LEFT: 506px; POSITION: absolute; TOP: 167px" runat="server" ErrorMessage="请输入Session时间" ControlToValidate="txtTime"<**>/asp:RequiredFieldValidator<
>asp:ValidationSummary id="ValidationSummary1" style="Z-INDEX: 112; LEFT: 301px; POSITION: absolute; TOP: 298px" runat="server"<>/asp:ValidationSummary<>/form<
>/body<
>/HTML<

(四).示例下载

http://www.cnitblog.com/Files/ChengKing/SessionSample.rar

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演示Session对象使用 范例(示例代码下载)

演示Session对象使用范例(示例代码下载)