连接字符串:connectionString="Data Source=.\SQLEXPRESS;AttachDbFilename=|DataDirectory|\Huoche.mdf;Integrated Security=True;User=sa;Password=123456;User Instance=True"
按道理我程序放在路径:C:\USERS\梦成\DESKTOP\201075实训\火车票订购实训改动版\火车票订购\火车票订购\火车票订购
我发布在:D:\Train下面
附加的数据库名字却变成:C:\USERS\梦成\DESKTOP\201075实训\火车票订购实训改动版\火车票订购\火车票订购\火车票订购\APP_DATA\HUOCHE.MDF
百思不得其解,请大家帮帮忙
按道理我程序放在路径:C:\USERS\梦成\DESKTOP\201075实训\火车票订购实训改动版\火车票订购\火车票订购\火车票订购
我发布在:D:\Train下面
附加的数据库名字却变成:C:\USERS\梦成\DESKTOP\201075实训\火车票订购实训改动版\火车票订购\火车票订购\火车票订购\APP_DATA\HUOCHE.MDF
百思不得其解,请大家帮帮忙
出现这个错误的原因是什么啊???????????
Exception Details: System.Data.SqlClient.SqlException: Failed to generate a user instance of SQL Server due to failure in retrieving the user's local application data path. Please make sure the user has a local user profile on the computer. The connection will be closed.
--------------------------------------------------------------------------------Failed to generate a user instance of SQL Server due to failure in retrieving the user's local application data path. Please make sure the user has a local user profile on the computer. The connection will be closed.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. Exception Details: System.Data.SqlClient.SqlException: Failed to generate a user instance of SQL Server due to failure in retrieving the user's local application data path. Please make sure the user has a local user profile on the computer. The connection will be closed.Source Error:
Line 64:
Line 65: SqlConnection conn = new SqlConnection(sqlConnString);
Line 66: conn.Open();
Line 67: SqlCommand omd = new SqlCommand("", conn);
Line 68: omd.CommandText = "SELECT * FROM 学生 WHERE 姓名='" + Username.Text + "'";
Source File: C:\Users\梦成\Desktop\201075实训\火车票订购实训改动版\火车票订购\火车票订购\火车票订购\Default.aspx.cs Line: 66 Stack Trace:
[SqlException (0x80131904): Failed to generate a user instance of SQL Server due to failure in retrieving the user's local application data path. Please make sure the user has a local user profile on the computer. The connection will be closed.]
System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection) +5009598
System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning() +234
System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj) +2275
System.Data.SqlClient.SqlInternalConnectionTds.CompleteLogin(Boolean enlistOK) +35
System.Data.SqlClient.SqlInternalConnectionTds.AttemptOneLogin(ServerInfo serverInfo, String newPassword, Boolean ignoreSniOpenTimeout, TimeoutTimer timeout, SqlConnection owningObject) +183
System.Data.SqlClient.SqlInternalConnectionTds.LoginNoFailover(ServerInfo serverInfo, String newPassword, Boolean redirectedUserInstance, SqlConnection owningObject, SqlConnectionString connectionOptions, TimeoutTimer timeout) +239
System.Data.SqlClient.SqlInternalConnectionTds.OpenLoginEnlist(SqlConnection owningObject, TimeoutTimer timeout, SqlConnectionString connectionOptions, String newPassword, Boolean redirectedUserInstance) +195
System.Data.SqlClient.SqlInternalConnectionTds..ctor(DbConnectionPoolIdentity identity, SqlConnectionString connectionOptions, Object providerInfo, String newPassword, SqlConnection owningObject, Boolean redirectedUserInstance) +232
System.Data.SqlClient.SqlConnectionFactory.CreateConnection(DbConnectionOptions options, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningConnection) +5023255
System.Data.ProviderBase.DbConnectionFactory.CreatePooledConnection(DbConnection owningConnection, DbConnectionPool pool, DbConnectionOptions options) +33
System.Data.ProviderBase.DbConnectionPool.CreateObject(DbConnection owningObject) +524
System.Data.ProviderBase.DbConnectionPool.UserCreateRequest(DbConnection owningObject) +66
System.Data.ProviderBase.DbConnectionPool.GetConnection(DbConnection owningObject) +479
System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection owningConnection) +108
System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory) +126
System.Data.SqlClient.SqlConnection.Open() +125
火车票订购.Default.Button1_Click(Object sender, EventArgs e) in C:\Users\梦成\Desktop\201075实训\火车票订购实训改动版\火车票订购\火车票订购\火车票订购\Default.aspx.cs:66
System.Web.UI.WebControls.Button.OnClick(EventArgs e) +118
System.Web.UI.WebControls.Button.RaisePostBackEvent(String eventArgument) +112
System.Web.UI.WebControls.Button.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) +10
System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) +13
System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +36