如下:呈现控件时出错-menuall
发生了未处理的异常
没有指定HtmlGenericControl的ID属性
我的代码是这样!
控件代码:
<%@ Control Language="C#" AutoEventWireup="true" CodeFile="control_menu.ascx.cs" Inherits="usr_control_WebUserControl" %>
<link href="../css/mystyle.css" rel="stylesheet" runat="server" />
<div id="navcontainer" runat="server">
<ul id="navlist">
<li><a href="../Default.aspx">首页</a></li>
<asp:Label ID="menu" runat="server"></asp:Label>
</ul>
</div><%--目录模块!~--%>控件隐藏代码:
public partial class usr_control_WebUserControl : System.Web.UI.UserControl
{
protected void Page_Load(object sender, EventArgs e)
{
if (!this.IsPostBack)
{
OleDbConnection conn = DB.DBconnection();
OleDbDataReader dr;
OleDbCommand cmd = new OleDbCommand("Select * from blogCategory Order By categoryOrder", conn);
cmd.Connection.Open();
try
{
dr = cmd.ExecuteReader();
while (dr.Read())
{
menu.Text = menu.Text + "<li><a href=default.aspx?categoryID=" + dr["categoryID"] + ">" + dr["categoryName"] + "</a></li>";
}
}
catch (Exception eee)
{
Response.Write(eee.StackTrace);
}
}
}
}
可以正常运行!!!!!!
就是在调用这个控件时候~~在VS2005里面预览出现异常!
HtmlGenericControl怎么用啊~?
发生了未处理的异常
没有指定HtmlGenericControl的ID属性
我的代码是这样!
控件代码:
<%@ Control Language="C#" AutoEventWireup="true" CodeFile="control_menu.ascx.cs" Inherits="usr_control_WebUserControl" %>
<link href="../css/mystyle.css" rel="stylesheet" runat="server" />
<div id="navcontainer" runat="server">
<ul id="navlist">
<li><a href="../Default.aspx">首页</a></li>
<asp:Label ID="menu" runat="server"></asp:Label>
</ul>
</div><%--目录模块!~--%>控件隐藏代码:
public partial class usr_control_WebUserControl : System.Web.UI.UserControl
{
protected void Page_Load(object sender, EventArgs e)
{
if (!this.IsPostBack)
{
OleDbConnection conn = DB.DBconnection();
OleDbDataReader dr;
OleDbCommand cmd = new OleDbCommand("Select * from blogCategory Order By categoryOrder", conn);
cmd.Connection.Open();
try
{
dr = cmd.ExecuteReader();
while (dr.Read())
{
menu.Text = menu.Text + "<li><a href=default.aspx?categoryID=" + dr["categoryID"] + ">" + dr["categoryName"] + "</a></li>";
}
}
catch (Exception eee)
{
Response.Write(eee.StackTrace);
}
}
}
}
可以正常运行!!!!!!
就是在调用这个控件时候~~在VS2005里面预览出现异常!
HtmlGenericControl怎么用啊~?
解决方案 »
免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货