"/" in the application server error,
Unable to open the login "YuYueSystem" the requested database, login failure,
Users' LAPTOP - 32 rc083d \ tea end 'login failed,
Note: during the execution of the current Web request, abnormal untreated, please check the stack trace, to learn about the errors and mistakes in the code of the source of detailed information,

Exception details: System. The Data. SqlClient. SqlException: unable to open the login "YuYueSystem" the requested database, login failure,
Users' LAPTOP - 32 rc083d \ tea end 'login failed,

The error source:


58: SqlDataAdapter sda=new SqlDataAdapter (SQL, con);
59: the DataSet ds=new DataSet ();
Line 60: sda. The Fill (ds, "ds");
Line 61: return the ds;
Line 62:}

The source file: C: \ Users \ tea end \ Desktop \ 2017 \ \ 3 graduation design WebApplication2 \ Service \ DAL \ SqlHelper line cs: 60

The stack trace:


X80131904 [SqlException (0) : unable to open the login "YuYueSystem" the requested database, login failure,
Users' LAPTOP - 32 rc083d \ tea end 'login failed,]
System. The Data. SqlClient. SqlInternalConnectionTds.. Ctor (DbConnectionPoolIdentity identity, SqlConnectionString connectionOptions, SqlCredential credential, Object providerInfo, String, newPassword SecureString newSecurePassword, Boolean redirectedUserInstance, SqlConnectionString userConnectionOptions, SessionData reconnectSessionData, DbConnectionPool pool, String accessToken, Boolean applyTransientFaultHandling, SqlAuthenticationProviderManager sqlAuthProviderManager) + 947
System. The Data. SqlClient. SqlConnectionFactory. The CreateConnection (DbConnectionOptions options, DbConnectionPoolKey poolKey, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningConnection, DbConnectionOptions userOptions) + 342
System. Data. ProviderBase. DbConnectionFactory. CreatePooledConnection (DbConnectionPool pool, DbConnection owningObject, DbConnectionOptions options, DbConnectionPoolKey poolKey, DbConnectionOptions userOptions) + 38
System. Data. ProviderBase. DbConnectionPool. CreateObject (DbConnection owningObject, DbConnectionOptions userOptions, DbConnectionInternal oldConnection) + 726
System. Data. ProviderBase. DbConnectionPool. UserCreateRequest (DbConnection owningObject, DbConnectionOptions userOptions, DbConnectionInternal oldConnection) + 91
System. Data. ProviderBase. DbConnectionPool. TryGetConnection (DbConnection owningObject, UInt32 waitForMultipleObjectsTimeout, Boolean allowCreate, Boolean onlyOneCheckConnection, DbConnectionOptions userOptions, DbConnectionInternal& Connection) + 438
System. Data. ProviderBase. DbConnectionPool. TryGetConnection (DbConnection owningObject, TaskCompletionSource ` 1 retry, DbConnectionOptions userOptions, DbConnectionInternal& Connection) + 79
System. Data. ProviderBase. DbConnectionFactory. TryGetConnection (DbConnection owningConnection, TaskCompletionSource ` 1 retry, DbConnectionOptions userOptions, DbConnectionInternal oldConnection, DbConnectionInternal& Connection) + 201
System. Data. ProviderBase. DbConnectionInternal. TryOpenConnectionInternal (DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource ` 1 retry, DbConnectionOptions userOptions) + 156
System. Data. ProviderBase. DbConnectionClosed. TryOpenConnection (DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource ` 1 retry, DbConnectionOptions userOptions) + 22
System. The Data. SqlClient. SqlConnection. TryOpenInner (TaskCompletionSource ` retry) 1 + 92
System. The Data. SqlClient. SqlConnection. TryOpen (TaskCompletionSource ` retry) 1 + 219
System. The Data. SqlClient. SqlConnection. The Open () + 101
System.Data.Com mon. DbDataAdapter. FillInternal (DataSet DataSet, DataTable [] datatables, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behaviors) + 121
System.Data.Com mon. DbDataAdapter. The Fill (DataSet DataSet, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behaviors) + 138
System.Data.Com mon. DbDataAdapter. The Fill (DataSet DataSet, String srcTable) + 87
Service. DAL. SqlHelper. GetByTable (String SQL) in C: \ Users \ tea end \ Desktop \ 2017 \ \ 3 graduation design WebApplication2 \ Service \ DAL \ SqlHelper cs: 60
Service. DAL. CzMessage. GetListData (String table, String s condition) in C: \ Users \ tea end \ Desktop \ 2017 \ \ 3 graduation design WebApplication2 \ Service \ DAL \ CzMessage cs: 47
Service. The BLL. CLBusiness. GetListData (String table, String s condition) in C: \ Users \ tea end \ Desktop \ 2017 \ \ 3 graduation design WebApplication2 \ Service \ the BLL \ CLBusiness cs: 48
Service. Control. ControlConversion. GetListData (String table, String s condition) in C: \ Users \ tea end \ Desktop \ 2017 \ \ 3 graduation design WebApplication2 \ Service \ Control \ ControlConversion cs: 40
WebApplication2. ViewPages. WebForm1. Login BTN _Click (Object sender, EventArgs e) in C: \ Users \ tea end \ Desktop \ 2017 \ \ 3 graduation design WebApplication2 \ \ new folder WebApplication2 \ ViewPages \ WebForm1 aspx. Cs: 29
System. Web. UI. WebControls. Button. The OnClick (EventArgs e) + 9784114
System. Web. UI. WebControls. Button. RaisePostBackEvent (String eventArgument) + 211
System. Web. UI. WebControls. Button. System. Web. UI. IPostBackEventHandler. RaisePostBackEvent (String eventArgument) + 12
System. Web. UI. Page. RaisePostBackEvent (IPostBackEventHandler sourceControl, String eventArgument) + 15
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