无法打开登录所请求的数据库 "chengchen.mdf"。登录失败。 - ASP.NET技术论坛

xd03071149

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无法打开登录所请求的数据库 "chengchen.mdf"。登录失败。

无法打开登录所请求的数据库 "chengchen.mdf"。登录失败。
用户 'WWW-578B04BE7B4\Administrator' 登录失败。
说明: 执行当前 Web 请求期间，出现未处理的异常。请检查堆栈跟踪信息，以了解有关该错误以及代码中导致错误的出处的详细信息。

异常详细信息: System.Data.SqlClient.SqlException: 无法打开登录所请求的数据库 "chengchen.mdf"。登录失败。
用户 'WWW-578B04BE7B4\Administrator' 登录失败。

源错误:

行 17: String strSQL="SELECT worker.姓名 FROM worker;";
行 18: SqlCommand objCommand=new SqlCommand(strSQL,objConnection);
行 19: objConnection.Open();
行 20: dgNameList.DataSource=objCommand.ExecuteReader();
行 21: dgNameList.DataBind();

源文件: c:\HELLO WORLD\webroot\chapter3\sqlsever_connection.aspx    行: 19

堆栈跟踪:

[SqlException (0x80131904): 无法打开登录所请求的数据库 "chengchen.mdf"。登录失败。
用户 'WWW-578B04BE7B4\Administrator' 登录失败。]
   System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection) +800131
   System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj) +186
   System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj) +1932
   System.Data.SqlClient.(Boolean enlistOK) +33
   System.Data.SqlClient.SqlInternalConnectionTds.AttemptOneLogin(ServerInfo serverInfo, String newPassword, Boolean ignoreSniOpenTimeout, Int64 timerExpire, SqlConnection owningObject) +172
   System.Data.SqlClient.SqlInternalConnectionTds.LoginNoFailover(String host, String newPassword, Boolean redirectedUserInstance, SqlConnection owningObject, SqlConnectionString connectionOptions, Int64 timerStart) +381
   System.Data.SqlClient.SqlInternalConnectionTds.OpenLoginEnlist(SqlConnection owningObject, SqlConnectionString connectionOptions, String newPassword, Boolean redirectedUserInstance) +181
   System.Data.SqlClient.SqlInternalConnectionTds..ctor(DbConnectionPoolIdentity identity, SqlConnectionString connectionOptions, Object providerInfo, String newPassword, SqlConnection owningObject, Boolean redirectedUserInstance) +173
   System.Data.SqlClient.SqlConnectionFactory.CreateConnection(DbConnectionOptions options, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningConnection) +357
   System.Data.ProviderBase.DbConnectionFactory.CreatePooledConnection(DbConnection owningConnection, DbConnectionPool pool, DbConnectionOptions options) +30
   System.Data.ProviderBase.DbConnectionPool.CreateObject(DbConnection owningObject) +424
   System.Data.ProviderBase.DbConnectionPool.UserCreateRequest(DbConnection owningObject) +66
   System.Data.ProviderBase.DbConnectionPool.GetConnection(DbConnection owningObject) +494
   System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection owningConnection) +82
   System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory) +105
   System.Data.SqlClient.SqlConnection.Open() +111
   ASP.chapter3_sqlsever_connection_aspx.Page_Load(Object sender, EventArgs e) in c:\HELLO WORLD\webroot\chapter3\sqlsever_connection.aspx:19
   System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +15
   System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +33
   System.Web.UI.Control.OnLoad(EventArgs e) +99
   System.Web.UI.Control.LoadRecursive() +47
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1436

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版本信息: Microsoft .NET Framework 版本:2.0.50727.1433; 版本:2.0.50727.1433
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2010-01-22 10:36

xd03071149

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<%@ Import Namespace ="System.Data" %>
<%@ Import Namespace ="System.Data.SqlClient" %>
<html>
<head>
<title>Chapter3</title>
</head>
<body>
<h4>First Example:Listing data from the Employees table</h4>
<asp:DataGrid ID ="dgNameList" runat ="server" GridLines ="None" BackColor ="LightBlue" CellPadding ="5" BorderWidth ="2" BorderColor ="Black" ToolTip ="Includes only those employees who are at HQ" />
</body>
</html>
<script language ="C#" runat="server" >
private void Page_Load(object sender,System.EventArgs e)
{
String strConnection="server=WWW-578B04BE7B4\\SQLEXPRESS;database=chengchen;integrated security=true;";
SqlConnection objConnection=new SqlConnection(strConnection);
String strSQL="SELECT * FROM worker";
SqlCommand objCommand=new SqlCommand(strSQL,objConnection);
objConnection.Open();
dgNameList.DataSource=objCommand.ExecuteReader();
dgNameList.DataBind();
objConnection.Close();
}
</script>
这是aspx文件！

2010-01-22 10:39