Hi
I've got this function that executes a stored procedure. One of the
parameters is an output parameter but for some reason it always returns 0.
Any clues?
Cheers
James
Public Shared Sub StoredProcExecu teNonQuery(ByVa l strSP As String, ByVal
ParamArray aryParams() As SqlParameter)
'connection obj
Dim objConn As SqlConnection
objConn = DBConnect()
'create the command obj
Dim objCMD As New SqlCommand
objCMD.CommandT ext = strSP
objCMD.Connecti on = objConn
objCMD.CommandT imeout = 1440
objCMD.CommandT ype = CommandType.Sto redProcedure
'parameters
Dim Ct As Integer
For Ct = 0 To UBound(aryParam s)
If aryParams(Ct).P arameterName <> "" Then
Dim cmdParam As New SqlParameter
cmdParam.Parame terName = aryParams(Ct).P arameterName
cmdParam.SqlDbT ype = aryParams(Ct).S qlDbType
cmdParam.Direct ion = aryParams(Ct).D irection
cmdParam.Value = aryParams(Ct).V alue
objCMD.Paramete rs.Add(cmdParam )
End If
Next
'create and exec the data reader
Try
objCMD.ExecuteN onQuery()
objConn.Close()
Catch ex As Exception
End Try
End Sub
I call this by
Dim sqlDatasetCode As New SqlParameter("@ code", sCode)
Dim sqlDatasetID As New SqlParameter
sqlDatasetID.Pa rameterName = "@dataset"
sqlDatasetID.Sq lDbType = SqlDbType.Int
sqlDatasetID.Si ze = 4
sqlDatasetID.Di rection = ParameterDirect ion.Output
Database.Stored ProcExecuteNonQ uery("lookup_da taset_by_code", sqlDatasetCode,
sqlDatasetID)
If IsDBNull(sqlDat asetID.Value) = False Then
Return sqlDatasetID.Va lue
Else
Return 0
End If
3  1364 
Can you post the stored procedure too?
--
Ben Lucas
Lead Developer
Solien Technology, Inc. www.solien.com
"James Brett" <ja*********@un ified.co.uk> wrote in message
news:u$******** ******@tk2msftn gp13.phx.gbl... Hi
I've got this function that executes a stored procedure. One of the
parameters is an output parameter but for some reason it always returns 0.
Any clues?
Cheers
James
Public Shared Sub StoredProcExecu teNonQuery(ByVa l strSP As String, ByVal
ParamArray aryParams() As SqlParameter)
'connection obj
Dim objConn As SqlConnection
objConn = DBConnect()
'create the command obj
Dim objCMD As New SqlCommand
objCMD.CommandT ext = strSP
objCMD.Connecti on = objConn
objCMD.CommandT imeout = 1440
objCMD.CommandT ype = CommandType.Sto redProcedure
'parameters
Dim Ct As Integer
For Ct = 0 To UBound(aryParam s)
If aryParams(Ct).P arameterName <> "" Then
Dim cmdParam As New SqlParameter
cmdParam.Parame terName = aryParams(Ct).P arameterName
cmdParam.SqlDbT ype = aryParams(Ct).S qlDbType
cmdParam.Direct ion = aryParams(Ct).D irection
cmdParam.Value = aryParams(Ct).V alue
objCMD.Paramete rs.Add(cmdParam )
End If
Next
'create and exec the data reader
Try
objCMD.ExecuteN onQuery()
objConn.Close()
Catch ex As Exception
End Try
End Sub
I call this by
Dim sqlDatasetCode As New SqlParameter("@ code", sCode)
Dim sqlDatasetID As New SqlParameter
sqlDatasetID.Pa rameterName = "@dataset"
sqlDatasetID.Sq lDbType = SqlDbType.Int
sqlDatasetID.Si ze = 4
sqlDatasetID.Di rection = ParameterDirect ion.Output
Database.Stored ProcExecuteNonQ uery("lookup_da taset_by_code",
sqlDatasetCode, sqlDatasetID)
If IsDBNull(sqlDat asetID.Value) = False Then
Return sqlDatasetID.Va lue
Else
Return 0
End If
CREATE PROCEDURE [lookup_dataset_ by_code]
@code VARCHAR(16),
@dataset INT OUTPUT
AS
SELECT @dataset = p_dataset
FROM dataset
WHERE code = @code
GO
cheers j
"Ben Lucas" <be*@nospam.sol ien.nospam.com> wrote in message
news:kI******** ************@co mcast.com... Can you post the stored procedure too?
--
Ben Lucas
Lead Developer
Solien Technology, Inc.
www.solien.com
"James Brett" <ja*********@un ified.co.uk> wrote in message
news:u$******** ******@tk2msftn gp13.phx.gbl... Hi
I've got this function that executes a stored procedure. One of the
parameters is an output parameter but for some reason it always returns
0.
Any clues?
Cheers
James
Public Shared Sub StoredProcExecu teNonQuery(ByVa l strSP As String, ByVal
ParamArray aryParams() As SqlParameter)
'connection obj
Dim objConn As SqlConnection
objConn = DBConnect()
'create the command obj
Dim objCMD As New SqlCommand
objCMD.CommandT ext = strSP
objCMD.Connecti on = objConn
objCMD.CommandT imeout = 1440
objCMD.CommandT ype = CommandType.Sto redProcedure
'parameters
Dim Ct As Integer
For Ct = 0 To UBound(aryParam s)
If aryParams(Ct).P arameterName <> "" Then
Dim cmdParam As New SqlParameter
cmdParam.Parame terName = aryParams(Ct).P arameterName
cmdParam.SqlDbT ype = aryParams(Ct).S qlDbType
cmdParam.Direct ion = aryParams(Ct).D irection
cmdParam.Value = aryParams(Ct).V alue
objCMD.Paramete rs.Add(cmdParam )
End If
Next
'create and exec the data reader
Try
objCMD.ExecuteN onQuery()
objConn.Close()
Catch ex As Exception
End Try
End Sub
I call this by
Dim sqlDatasetCode As New SqlParameter("@ code", sCode)
Dim sqlDatasetID As New SqlParameter
sqlDatasetID.Pa rameterName = "@dataset"
sqlDatasetID.Sq lDbType = SqlDbType.Int
sqlDatasetID.Si ze = 4
sqlDatasetID.Di rection = ParameterDirect ion.Output
Database.Stored ProcExecuteNonQ uery("lookup_da taset_by_code",
sqlDatasetCode, sqlDatasetID)
If IsDBNull(sqlDat asetID.Value) = False Then
Return sqlDatasetID.Va lue
Else
Return 0
End If
In you procedure StoredProcExecu teNonQuery( ) you are making a copy of the
parameter that you sent in, and you pass the copy to the command object.
Thus, the parameter you are using will not have the data since it is not
used in the execution.
In order for that parameter to have the output value, you would have to use
that specific object. For example: Public Shared Sub StoredProcExecu teNonQuery(ByVa l strSP As String,
ByVal ParamArray aryParams() As SqlParameter)
'connection obj
Dim objConn As SqlConnection
objConn = DBConnect()
'create the command obj
Dim objCMD As New SqlCommand
objCMD.CommandT ext = strSP
objCMD.Connecti on = objConn
objCMD.CommandT imeout = 1440
objCMD.CommandT ype = CommandType.Sto redProcedure
'parameters
Dim Ct As Integer
For Ct = 0 To UBound(aryParam s)
//Note the change here objCMD.Paramete rs.Add(aryParam s(Ct))
Next
'create and exec the data reader
Try
objCMD.ExecuteN onQuery()
objConn.Close()
Catch ex As Exception
End Try
End Sub
--
Ben Lucas
Lead Developer
Solien Technology, Inc.
www.solien.com
"James Brett" <ja*********@un ified.co.uk> wrote in message
news:Om******** ******@tk2msftn gp13.phx.gbl... CREATE PROCEDURE [lookup_dataset_ by_code]
@code VARCHAR(16),
@dataset INT OUTPUT
AS
SELECT @dataset = p_dataset
FROM dataset
WHERE code = @code
GO
cheers j
"Ben Lucas" <be*@nospam.sol ien.nospam.com> wrote in message
news:kI******** ************@co mcast.com... Can you post the stored procedure too?
--
Ben Lucas
Lead Developer
Solien Technology, Inc.
www.solien.com
"James Brett" <ja*********@un ified.co.uk> wrote in message
news:u$******** ******@tk2msftn gp13.phx.gbl... Hi
I've got this function that executes a stored procedure. One of the
parameters is an output parameter but for some reason it always
returns 0.
Any clues?
Cheers
James
Public Shared Sub StoredProcExecu teNonQuery(ByVa l strSP As String,
ByVal ParamArray aryParams() As SqlParameter)
'connection obj
Dim objConn As SqlConnection
objConn = DBConnect()
'create the command obj
Dim objCMD As New SqlCommand
objCMD.CommandT ext = strSP
objCMD.Connecti on = objConn
objCMD.CommandT imeout = 1440
objCMD.CommandT ype = CommandType.Sto redProcedure
'parameters
Dim Ct As Integer
For Ct = 0 To UBound(aryParam s)
If aryParams(Ct).P arameterName <> "" Then
Dim cmdParam As New SqlParameter
cmdParam.Parame terName = aryParams(Ct).P arameterName
cmdParam.SqlDbT ype = aryParams(Ct).S qlDbType
cmdParam.Direct ion = aryParams(Ct).D irection
cmdParam.Value = aryParams(Ct).V alue
objCMD.Paramete rs.Add(cmdParam )
End If
Next
'create and exec the data reader
Try
objCMD.ExecuteN onQuery()
objConn.Close()
Catch ex As Exception
End Try
End Sub
I call this by
Dim sqlDatasetCode As New SqlParameter("@ code", sCode)
Dim sqlDatasetID As New SqlParameter
sqlDatasetID.Pa rameterName = "@dataset"
sqlDatasetID.Sq lDbType = SqlDbType.Int
sqlDatasetID.Si ze = 4
sqlDatasetID.Di rection = ParameterDirect ion.Output
Database.Stored ProcExecuteNonQ uery("lookup_da taset_by_code",
sqlDatasetCode, sqlDatasetID)
If IsDBNull(sqlDat asetID.Value) = False Then
Return sqlDatasetID.Va lue
Else
Return 0
End If
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