日期:2014-05-20  浏览次数:20451 次

System.Web.HttpException: 类型“TextBox”的控件“ctl02_TextBox2”必须放在具有 runat=server 的窗体标记内。
目的:加入用户自定义控件
错误提示:System.Web.HttpException:   类型“TextBox”的控件“ctl02_TextBox2”必须放在具有   runat=server   的窗体标记内。

沒有ctl02_TextBox2这个控件啊?


WebUserControl.ascx   代码

<%@   Control   Language= "C# "   AutoEventWireup= "true "   CodeFile= "WebUserControl.ascx.cs "   Inherits= "WebUserControl "   %>
<asp:TextBox   ID= "TextBox2 "   Text= "tb2 "   runat= "server "> </asp:TextBox> &nbsp;
<asp:Button   ID= "Button1 "   runat= "server "   Text= "Button "   />
<asp:TextBox   ID= "TextBox1 "   Text= "tb1 "   runat= "server "> </asp:TextBox>
<asp:Button   ID= "Button2 "   runat= "server "   Text= "Button "   />


WebUserControl.ascx.cs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   WebUserControl   :   System.Web.UI.UserControl
{
        protected   void   Page_Load(object   sender,   EventArgs   e)
        {
                TextBox1.Text   =   "text1 ";
                TextBox2.Text   =   "text2 ";
        }
}


.aspx代码:

<%@   Page   Language= "C# "   AutoEventWireup= "true "   CodeFile= "User_Control.aspx.cs "   Inherits= "User_Control "   %>
<%@   Reference   Control= "~/WebUserControl.ascx "%>
<!DOCTYPE   html   PUBLIC   "-//W3C//DTD   XHTML   1.0   Transitional//EN "   "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd ">

<html   xmlns= "http://www.w3.org/1999/xhtml "   >
<head   runat= "server ">
        <title> 无标题页 </title>
</head>
<body>
        <form   id= "form1 "   runat= "server ">
        <div>
                &nbsp; </div>
        </form>
</body>
</html>

.aspx.cs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   User_Control   :   System.Web.UI.Page
{
        protected   void   Page_Load(object   sender,   EventArgs   e)
        {
                UserControl   uc   =(UserControl)LoadControl( "WebUserControl.ascx ");