<%@ Page language="c#" src="left.aspx.cs" AutoEventWireup="false" Inherits="tree.left" %>
<%@ Register TagPrefix="iewc" Namespace="Microsoft.Web.UI.WebControls" Assembly="Microsoft.Web.UI.WebControls, Version=1.0.2.226, Culture=neutral, PublicKeyToken=31bf3856ad364e35" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<HTML>
<HEAD>
<title>left</title>
<meta name="GENERATOR" Content="Microsoft Visual Studio 7.0">
<meta name="CODE_LANGUAGE" Content="C#">
<meta name="vs_defaultClientScript" content="JavaScript">
<meta name="vs_targetSchema"content="http://schemas.microsoft.com/intellisense/ie5">
</HEAD>
<body>
<form id="left" method="post" runat="server">
<FONT face="宋体">
<iewc:TreeView id="TreeView1" runat="server" Target="main"></iewc:TreeView></FONT>
</form>
</body>
</HTML>using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;namespace tree
{
/// <summary>
/// left 的摘要说明。
/// </summary>
public class left : System.Web.UI.Page
{
protected Microsoft.Web.UI.WebControls.TreeView TreeView1;
报
Compiler Error Message: CS0234: The type or namespace name 'Web' does not exist in the class or namespace 'Microsoft' (are you missing an assembly reference?)Line 18: public class left : System.Web.UI.Page
Line 19: {
Line 20: protected Microsoft.Web.UI.WebControls.TreeView TreeView1;//这行有错
Line 21:
Line 22: protected config conn = new config();
是什么错呢,这代码也是从别人那参考的。
<%@ Register TagPrefix="iewc" Namespace="Microsoft.Web.UI.WebControls" Assembly="Microsoft.Web.UI.WebControls, Version=1.0.2.226, Culture=neutral, PublicKeyToken=31bf3856ad364e35" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<HTML>
<HEAD>
<title>left</title>
<meta name="GENERATOR" Content="Microsoft Visual Studio 7.0">
<meta name="CODE_LANGUAGE" Content="C#">
<meta name="vs_defaultClientScript" content="JavaScript">
<meta name="vs_targetSchema"content="http://schemas.microsoft.com/intellisense/ie5">
</HEAD>
<body>
<form id="left" method="post" runat="server">
<FONT face="宋体">
<iewc:TreeView id="TreeView1" runat="server" Target="main"></iewc:TreeView></FONT>
</form>
</body>
</HTML>using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;namespace tree
{
/// <summary>
/// left 的摘要说明。
/// </summary>
public class left : System.Web.UI.Page
{
protected Microsoft.Web.UI.WebControls.TreeView TreeView1;
报
Compiler Error Message: CS0234: The type or namespace name 'Web' does not exist in the class or namespace 'Microsoft' (are you missing an assembly reference?)Line 18: public class left : System.Web.UI.Page
Line 19: {
Line 20: protected Microsoft.Web.UI.WebControls.TreeView TreeView1;//这行有错
Line 21:
Line 22: protected config conn = new config();
是什么错呢,这代码也是从别人那参考的。
你打开工程下引用,添加引用.浏览选择Microsoft.web.ui.webcontrols.dll
再添加引用 Microsoft.Web.UI.WebControls