高手来帮帮忙：分析器错误信息: 未能加载类型“GradeMis.UUser”。

guangxircw 2010-05-28 11:55:42

“/”应用程序中的服务器错误。
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分析器错误
说明: 在分析向此请求提供服务所需资源时出错。请检查下列特定分析错误详细信息并适当地修改源文件。

分析器错误信息: 未能加载类型“GradeMis.UUser”。

源错误:

行 1: <%@ Page language="c#" Codebehind="UUser.aspx.cs" AutoEventWireup="false" Inherits="GradeMis.UUser" %>
行 2: <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
行 3: <HTML>

源文件: /UUser.aspx 行: 1

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版本信息: Microsoft .NET Framework 版本:2.0.50727.42; ASP.NET 版本:2.0.50727.42

UUser.aspx 代码

<%@ Page language="c#" Codebehind="UUser.aspx.cs" AutoEventWireup="false" Inherits="GradeMis.UUser" %>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >

<HTML>

	<HEAD>

		<title>UUser</title>

		<meta name="GENERATOR" Content="Microsoft Visual Studio .NET 7.1">

		<meta name="CODE_LANGUAGE" Content="C#">

		<meta name="vs_defaultClientScript" content="JavaScript">

		<meta name="vs_targetSchema" content="http://schemas.microsoft.com/intellisense/ie5">

		<LINK href="css/style.css" type="text/css" rel="stylesheet">

	</HEAD>

	<body MS_POSITIONING="GridLayout">

		<form id="Form1" method="post" runat="server">

			<asp:Button id="Button1" runat="server" Text="添加用户"></asp:Button><br>

			<br>

			<asp:DataGrid id="DataGrid1" runat="server" AllowPaging="True" AutoGenerateColumns="False" Width="480px">

				<HeaderStyle BackColor="#CCCC66"></HeaderStyle>

				<Columns>

					<asp:BoundColumn DataField="userid" ReadOnly="True" HeaderText="序号"></asp:BoundColumn>

					<asp:BoundColumn DataField="username" HeaderText="用户名">

						<HeaderStyle Width="100px"></HeaderStyle>

					</asp:BoundColumn>

					<asp:BoundColumn DataField="password" ReadOnly="True" HeaderText="密码"></asp:BoundColumn>

					<asp:BoundColumn DataField="group" HeaderText="用户组"></asp:BoundColumn>

					<asp:EditCommandColumn ButtonType="LinkButton" UpdateText="更新" CancelText="取消" EditText="编辑"></asp:EditCommandColumn>

					<asp:ButtonColumn Text="删除" CommandName="Delete"></asp:ButtonColumn>

				</Columns>

				<PagerStyle NextPageText="下一页" PrevPageText="上一页"></PagerStyle>

			</asp:DataGrid>

		</form>

	</body>

</HTML>

UUser.aspx.cs 代码

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 GradeMis

{

	/// <summary>

	/// AdminStu 的摘要说明。

	/// </summary>

	public class UUser : System.Web.UI.Page

	{

		protected System.Web.UI.WebControls.DataGrid DataGrid1;

		protected System.Web.UI.WebControls.Button Button1;

		private SqlConnection conn = new SqlConnection(System.Configuration.ConfigurationSettings.AppSettings["GradeSys"]);

	

		private void Page_Load(object sender, System.EventArgs e)

		{

			// 在此处放置用户代码以初始化页面

			if(!Page.IsPostBack)

			{

				GetData();

			}

		}



		#region 取得数据

		private void GetData()

		{

			string sql = string.Empty;

			sql = string.Format("select * from Admin");

			SqlDataAdapter da = new SqlDataAdapter(sql,conn);

			DataSet ds = new DataSet();

			try

			{

				da.Fill(ds,"t");

				this.DataGrid1.DataSource = ds.Tables["t"];

				this.DataGrid1.DataBind();

			}

			catch

			{}

		}

		#endregion



		#region ExeSql

		private void ExeSql(string sql)

		{

			SqlCommand cmd = new SqlCommand(sql,conn);

			try

			{

				conn.Open();

				cmd.ExecuteNonQuery();

			}

			catch(Exception ex)

			{

				Response.Write(ex);

			}

			finally

			{

				conn.Close();

			}

		}

		#endregion



		#region Web 窗体设计器生成的代码

		override protected void OnInit(EventArgs e)

		{

			//

			// CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。

			//

			InitializeComponent();

			base.OnInit(e);

		}

		

		/// <summary>

		/// 设计器支持所需的方法 - 不要使用代码编辑器修改

		/// 此方法的内容。

		/// </summary>

		private void InitializeComponent()

		{    

			this.Button1.Click += new System.EventHandler(this.Button1_Click);

			this.DataGrid1.ItemCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.DataGrid1_ItemCommand_1);

			this.DataGrid1.PageIndexChanged += new System.Web.UI.WebControls.DataGridPageChangedEventHandler(this.DataGrid1_PageIndexChanged);

			this.DataGrid1.CancelCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.DataGrid1_CancelCommand);

			this.DataGrid1.EditCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.DataGrid1_EditCommand);

			this.DataGrid1.UpdateCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.DataGrid1_UpdateCommand);

			this.DataGrid1.DeleteCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.DataGrid1_DeleteCommand);

			this.DataGrid1.ItemDataBound += new System.Web.UI.WebControls.DataGridItemEventHandler(this.DataGrid1_ItemDataBound);

			this.DataGrid1.SelectedIndexChanged += new System.EventHandler(this.DataGrid1_SelectedIndexChanged);

			this.Load += new System.EventHandler(this.Page_Load);



		}

		#endregion



		private void Button1_Click(object sender, System.EventArgs e)

		{

			Response.Redirect("UUserAdd.aspx");

		}



		private void DataGrid1_PageIndexChanged(object source, System.Web.UI.WebControls.DataGridPageChangedEventArgs e)

		{

			this.DataGrid1.CurrentPageIndex = e.NewPageIndex;

			GetData();

		

		}



		private void DataGrid1_EditCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)

		{

			this.DataGrid1.EditItemIndex=e.Item.ItemIndex;

			GetData();

		}



		private void DataGrid1_CancelCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)

		{

			this.DataGrid1.EditItemIndex=-1;

			GetData();

		}



		private void DataGrid1_DeleteCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)

		{

			string sid = e.Item.Cells[0].Text;

			string sql = string.Format("delete Admin where userid = '{0}'",sid);

			ExeSql(sql);

			this.DataGrid1.EditItemIndex=-1;

			GetData();

		}



		private void DataGrid1_UpdateCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)

		{

			string sid = e.Item.Cells[0].Text;



			TextBox txtName = new TextBox();

			txtName = (TextBox)e.Item.Cells[1].Controls[0];

			string name = txtName.Text.ToString();



			TextBox txtAge = new TextBox();

			txtAge = (TextBox)e.Item.Cells[3].Controls[0];

			string age = txtAge.Text.ToString();			



			TextBox txtS = new TextBox();

			txtS = (TextBox)e.Item.Cells[3].Controls[0];

			string s = txtS.Text.ToString();



			TextBox txtClass = new TextBox();

			txtClass = (TextBox)e.Item.Cells[4].Controls[0];

			string classname= txtClass.Text.ToString();



			string sql = string.Empty;

			sql= string.Format("update Admin set username='{0}',password='{1}',group='{2}'",name,age,s,classname,sid);

			ExeSql(sql);

			this.DataGrid1.EditItemIndex=-1;

			GetData();

		}





		private void DataGrid1_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)

		{

			if(e.Item.ItemType == ListItemType.EditItem)

			{

				TextBox t1 = (TextBox)e.Item.Cells[1].Controls[0];

				TextBox t2 = (TextBox)e.Item.Cells[2].Controls[0];

				TextBox t3 = (TextBox)e.Item.Cells[3].Controls[0];

				TextBox t4 = (TextBox)e.Item.Cells[4].Controls[0];

				

				t1.Width = 1000;

				t2.Width = 10; 

				t3.Width = 10; 

				t4.Width = 10; 

			}

		

		}



		private void DataGrid1_ItemCommand_1(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)

		{

			if(e.Item.ItemType == ListItemType.EditItem)

			{

				TextBox t1 = (TextBox)e.Item.Cells[1].Controls[0];

				//TextBox t2 = (TextBox)e.Item.Cells[2].Controls[0];

				TextBox t3 = (TextBox)e.Item.Cells[3].Controls[0];

				TextBox t4 = (TextBox)e.Item.Cells[4].Controls[0];

				

				t1.Width = 1000;

				//t2.Width = 10; 

				t3.Width = 10; 

				t4.Width = 10; 

			}

		

		}



		private void DataGrid1_SelectedIndexChanged(object sender, System.EventArgs e)

		{

		

		}

	}

}

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lsfyf 2010-11-17

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我也遇到类似问题，后来检查发现是我的一些项目没有添加到解决方案中所导致的，添加进去后问题解决

布鲁克零三四四 2010-10-28

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这是因为，运行库的.NET版本和开发SDK的.NET版本不一致，
例如页面最下面一行有下面的信息：
Microsoft .NET Framework 版本:1.1.4322.2300; ASP.NET 版本:1.1.4322.2300

因此：
一劳永逸的解决方法：安装.NET2.0最新版本运行库！然后再IIS中选择使用最高版本运行库