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  • ASP.NET 2.0服务器控件与form runat=server标记

  • :未知  Դ:非寒日志  :2007-4-21 0:50:51  ؼ:.net,asp.net,asp
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    5,百害而无一益?

    有时候,页面上需要放置多个form表单(虽然只放置一个<form runat=server></form>的表单也能实现),将表单控件放在<form runat=server></form>标记之外,将非常方便使用,这在以前的asp页面中很常见,现在在aspx中也可义实现。下面的页面,既利用了服务器控件的方便性,也逃脱出了类型“TextBox”的控件“TextBox1”必须放在具有 runat=server 的窗体标记内的限制。例如:

    <%@ 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">

    protected void Button1_Click(object sender, EventArgs e)

    {

    Response.Write("<li>TextBox1.Text = " + TextBox1.Text);

    Response.Write("<li>Request.Params = " + Request.Params[TextBox1.UniqueID]);

    }

    protected void Page_Load(object sender, EventArgs e)

    {

    KeyWords.Text = "yaosansi's Blog";

    Response.Write("<li>TextBox1.Text = " + TextBox1.Text);

    Response.Write("<li>Request.Params = " + Request.Params[TextBox1.UniqueID]);

    if (!IsPostBack)

    {

    TextBox1.Text = "yaosansi's Blog";

    }

    }

    public override void VerifyRenderingInServerForm(Control control)

    {

    }

    </script>

    <html xmlns="http://www.w3.org/1999/xhtml">

    <head runat="server">

    <title>VerifyRenderingInServerForm</title>

    </head>

    <body>

    <form method="post" action="SearchDoc.aspx">

    关键字:<asp:TextBox ID="KeyWords" runat="server"></asp:TextBox>

    <asp:Button ID="Button2" runat="server" Text="搜索" />

    </form>

    <form id="form1" runat="server">

    <asp:TextBox ID="TextBox1" runat="server" Width="600px"></asp:TextBox>

    <asp:Button ID="Button1" runat="server" OnClick="Button1_Click"

    Text="提交" />

    </form>

    </body>

    </html>

    在SearchDoc.aspx页面,使用Request.Form即可获得输入的关键字。

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