Application Role Losing Connection?

Sep 6, 2007

Hi,

I'm testing the use of application roles for security. The customer I work for has still a lot of ASP intranet applications running. We're migrating the databases to a SQL Server 2005 server.

I've changed the connection string to a user without any permissions but to log on. After that I use an application role for permission to select different tables and to execute Stored Procedures.

The first queries do execute but after that I get "Permission denied", like I haven't got the application role anymore.

Any ideas?

Adrian

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command.Parameters("@OrderNum").Value = dr.Item("OrderNo").ToString()            getAccID.Parameters("@AccName").Value = dr.Item("Acct").ToString()            If getAccID.ExecuteScalar() = 0 Then                insertAcc.Parameters("@Account").Value = dr.Item("Acct").ToString()                insertAcc.ExecuteNonQuery() //THIS IS WHERE IT FAILS and pops up with the message that there is syntax error at this procedure                getAccID.Parameters("@AccName").Value = dr.Item("Acct").ToString()                command.Parameters("@AccName").Value = getAccID.ExecuteScalar()            Else                command.Parameters("@ACC_ID").Value = getAccID.ExecuteScalar()            End If            getGroupID.Parameters("@GroupName").Value = dr.Item("GroupID").ToString()            Try                command.Parameters("@Group_ID").Value = getGroupID.ExecuteScalar()            Catch ex As Exception                'Insert new Account if given account not being found from get stored procedure            End Try            getTraderID.Parameters("@TraderName").Value = dr.Item("TrdID").ToString()            Try                command.Parameters("@Trader_ID").Value = getTraderID.ExecuteScalar()            Catch ex As Exception                'Insert new Account if given account not being found from get stored procedure            End Try            getExchangeID.Parameters("@ExchName").Value = dr.Item("Exch").ToString()            Try                command.Parameters("@Exch_ID").Value = getExchangeID.ExecuteScalar()            Catch ex As Exception                'Insert new Account if given account not being found from get stored procedure            End Try            getActionID.Parameters("@ActionName").Value = dr.Item("Action").ToString()            Try                command.Parameters("@ActionID").Value = getActionID.ExecuteScalar()            Catch ex As Exception                'Insert new Account if given account not being found from get stored procedure            End Try            getStatusID.Parameters("@StatusName").Value = dr.Item("Status").ToString()            Try                command.Parameters("@StatusID").Value = getStatusID.ExecuteScalar()            Catch ex As Exception                'Insert new Account if given account not being found from get stored procedure            End Try            'getParrentAccID.Parameters("@ParentName").Value = ""            'Try            'command.Parameters("@ParentID").Value = getParrentAccID.ExecuteScalar()            ' Catch ex As Exception            'End Try            command.Parameters("@Date").Value = DateTime.Parse(dr.Item("Exch Date").ToString())            command.Parameters("@Time").Value = DateTime.Parse(dr.Item("Time").ToString())            command.Parameters("@TimeSent").Value = DateTime.Parse(dr.Item("Time Sent").ToString())            If (dr.Item("Qty").Equals(System.DBNull.Value)) Then                command.Parameters("@Qty").Value = System.DBNull.Value            Else                command.Parameters("@Qty").Value = Int32.Parse(dr.Item("Qty").ToString())            End If            command.Parameters("@Product").Value = dr.Item("Product").ToString()            command.Parameters("@MMYYY").Value = dr.Item("MMYYYY").ToString()            command.Parameters("@ExchOrderID").Value = dr.Item("ExchOrderID").ToString()            If (dr.Item("TimeTicks").Equals(System.DBNull.Value)) Then                command.Parameters("@TimeTicks").Value = System.DBNull.Value            Else                command.Parameters("@TimeTicks").Value = Int32.Parse(dr.Item("TimeTicks").ToString())            End If            command.Parameters("@ExchDate").Value = Date.Parse(dr.Item("Exch Date").ToString())            command.Parameters("@W2G").Value = 2            command.Parameters("@W2Exch").Value = 2            command.Parameters("@G2ExchDerived").Value = 2            command.ExecuteNonQuery()            sqlServerConn.Close()        Next    End Sub Thank you guys as always being helpful. 

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Application On Start And Database Connection

Nov 24, 2003

Hello,
I was wondering if someone could help me answer this question.

If I had a site like Yahoo, that constantly had users accessing it. Would it be a good or bad idea to automatically open a database connection to SQL Server on Application Start? What would you recommend? Would opening and closing the DB connection on every page save alot of overhead and bottleneck? Thank You.

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