Winan,

Your code looks ok. What is your backend database? I think there is at least one OleDB provider that does not support parameters and you must hard-code that in the Command.Text Select statement. I think it may be either VFP or Access. Will someone please correct me if I'm wrong?

~~Bonnie


>I am very confusing with this new toy.. I am facing this error message : "Must Declare the variable '@mHostCode' .. when below codes run:
>
>Try
> Dim cmd As System.Data.OleDb.OleDbCommand
> Dim mGetAccessTypeCode As String = "Select * from DialPrefix Where HostCode = @mHostCode AND PrefixNo = @mPrefixNo Order by HostCode, PrefixNo"
> Dim DataReader As System.Data.OleDb.OleDbDataReader
> OleDBConn1.Open()
> cmd = New System.Data.OleDb.OleDbCommand()
> cmd.CommandText = mGetAccessTypeCode
> cmd.Parameters.Add("@mHostCode", SqlDbType.Char)
> cmd.Parameters("@mHostCode").Value = pHostCode ' from paramater
> cmd.Parameters.Add("@mPrefixNo", SqlDbType.Char)
> cmd.Parameters("@mPrefixNo").Value = pPrefixNo ' from parameter
> cmd.CommandType = CommandType.Text
> cmd.Connection = OleDBConn1
>
> DataReader = cmd.ExecuteReader
> pATypeFound = DataReader.Read
> If DataReader.Read Then
> pATypeCode = DataReader.GetValue(4)
> End If
> OleDBConn1.Close()
> Catch err As Exception
> Message(err.Message)
> Finally
> OleDBConn1.Close()
> End Try
>
>please help me .. TIA
>
>Best Regards
>Winan