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[ASP.net教程]WebForm aspx页面传值


1、get方式

发送页

<form id="form1" runat="server">
    <div>
        <a href="WebForm2.aspx?name=5">调转到Form2</a>
        <asp:Button ID="button2" Text="跳转页面" runat="server" onclick="button2_Click"/>
    </div>
</form>

protected void button2_Click(object sender, EventArgs e)
        {
            Response.Redirect("WebForm2.aspx?name=5");

        }

接受页

     this.Label1.Text = Request["name"];
            //this.Label2.Text = Request.Params["name"];
            //this.Label3.Text = Request.QueryString[0];

 

2、post方式

a\不带 runat="server"形式

发送页

<form id="form2" action="WebForm2.aspx" method="post">
        <input name="txtname" type="text" value="lilili"  />
        <input type="submit" value="提交网页" />
</form>

接受页

  this.Label1.Text =Request.Form["txtname"];

b\带 runat="server"

发送页

<form runat="server" id="form3">
        <input id="btnTransfer" type="button" onclick="post();" runat="server" value="跳转" />
    </form>
    <form id="form4" method="post">
        <input type="text" runat="server" id="txtname" value="lili" />
    </form>
    <script type="text/javascript">
        function post() {
            form4.action = "WebForm2.aspx";
            form4.submit();
        }
    </script>

接受页

  this.Label1.Text =Request.Form["txtname"];

 

3、Session 和 Application

            Session["name2"] = "sessontest";
            Application["name3"] = "applicationtest";

 

            this.Label2.Text =(string)Session["name2"];
            this.Label3.Text =(string)Application["name3"];

 

4、静态变量

发送页

 

        public static string statest="static string";

        protected void button2_Click(object sender, EventArgs e)
        {
            Server.Transfer("WebForm2.aspx");
        }

接受页

  this.Label1.Text = WebForm1.statest;

 

5、Context.Handler 获取控件

发送页

          <asp:TextBox ID="TextBox1" runat="server" Text="lilili"></asp:TextBox>
        <asp:Button ID="button2" Text="跳转页面" runat="server" onclick="button2_Click"/>

          protected void button2_Click(object sender, EventArgs e)
        {
            Server.Transfer("WebForm2.aspx");
        }

  

接受页

         //获取post传过来的对象
            if (Context.Handler is WebForm1)
            {
                WebForm1 poster = (WebForm1)Context.Handler;
                this.Label1.Text = ((TextBox)poster.FindControl("TextBox1")).Text;
            }

 

6、Context.Handler 获取公共变量

发送页

     public string testpost = "testpost";
        protected void button2_Click(object sender, EventArgs e)
        {
            Server.Transfer("WebForm2.aspx");
        }

接受页

        //获取post传过来的对象
            if (Context.Handler is WebForm1)
            {
                WebForm1 poster = (WebForm1)Context.Handler;
                this.Label2.Text = poster.testpost;
            }

 

7、Context.Items 变量

发送页

        protected void button2_Click(object sender, EventArgs e)
        {
            Context.Items["name"] = "contextItems";
            Server.Transfer("WebForm2.aspx");
        }

接受页

       //获取post传过来的对象
            if (Context.Handler is WebForm1)
            {
                this.Label3.Text = Context.Items["name"].ToString();
            }