When .aspx try to connect SQL server then show the following error, Any idea?
I already try to change Authentication mode to "SQL Server and Windows" but
still get the following error.
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Server Error in '/' Application.


Login failed for user 'fancywebadmin'. Reason: Not associated with a trusted
SQL Server connection.
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: Login failed for user
'fancywebadmin'. Reason: Not associated with a trusted SQL Server connection.

Source Error:

Line 25:
Line 26: SqlConnection conn = new
SqlConnection(ConfigurationSettings.AppSettings.Ge t("connectionString"));
Line 27: conn.Open();
Line 28: String HashedPassword =
FormsAuthentication.HashPasswordForStoringInConfig File(password, "SHA1");
Line 29:

Source File: z:\fancydesignweb\login.aspx.cs Line: 27

Stack Trace:

[SqlException (0x80131904): Login failed for user 'fancywebadmin'. Reason:
Not associated with a trusted SQL Server connection.]
System.Data.SqlClient.SqlInternalConnection.OnErro r(SqlException
exception, Boolean breakConnection) +739123

System.Data.SqlClient.TdsParser.ThrowExceptionAndW arning(TdsParserStateObject
stateObj) +188
System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand
cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet
bulkCopyHandler, TdsParserStateObject stateObj) +1956
System.Data.SqlClient.SqlInternalConnectionTds.Com pleteLogin(Boolean
enlistOK) +33
System.Data.SqlClient.SqlInternalConnectionTds.Att emptOneLogin(ServerInfo
serverInfo, String newPassword, Boolean ignoreSniOpenTimeout, Int64
timerExpire, SqlConnection owningObject) +170
System.Data.SqlClient.SqlInternalConnectionTds.Log inNoFailover(String
host, String newPassword, Boolean redirectedUserInstance, SqlConnection
owningObject, SqlConnectionString connectionOptions, Int64 timerStart) +349

System.Data.SqlClient.SqlInternalConnectionTds.Ope nLoginEnlist(SqlConnection
owningObject, SqlConnectionString connectionOptions, String newPassword,
Boolean redirectedUserInstance) +181

System.Data.SqlClient.SqlInternalConnectionTds..ct or(DbConnectionPoolIdentity
identity, SqlConnectionString connectionOptions, Object providerInfo, String
newPassword, SqlConnection owningObject, Boolean redirectedUserInstance) +170

System.Data.SqlClient.SqlConnectionFactory.CreateC onnection(DbConnectionOptions
options, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection
owningConnection) +359

System.Data.ProviderBase.DbConnectionFactory.Creat ePooledConnection(DbConnection owningConnection, DbConnectionPool pool, DbConnectionOptions options) +28
System.Data.ProviderBase.DbConnectionPool.CreateOb ject(DbConnection
owningObject) +424
System.Data.ProviderBase.DbConnectionPool.UserCrea teRequest(DbConnection
owningObject) +66
System.Data.ProviderBase.DbConnectionPool.GetConne ction(DbConnection
owningObject) +496
System.Data.ProviderBase.DbConnectionFactory.GetCo nnection(DbConnection
owningConnection) +82
System.Data.ProviderBase.DbConnectionClosed.OpenCo nnection(DbConnection
outerConnection, DbConnectionFactory connectionFactory) +105
System.Data.SqlClient.SqlConnection.Open() +111
login.Page_Load(Object sender, EventArgs e) in
z:\fancydesignweb\login.aspx.cs:27
System.Web.Util.Callier.EventArgFunctionCaller (IntPtr fp, Object o,
Object t, EventArgs e) +15
System.Web.Util.CalliEventHandlerDelegateProxy.Cal lback(Object sender,
EventArgs e) +34
System.Web.UI.Control.OnLoad(EventArgs e) +99
System.Web.UI.Control.LoadRecursive() +47
System.Web.UI.Page.ProcessRequestMain(Boolean
includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1061
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