NumericScale and Precision Properties Example (VB)

This example uses the NumericScale and Precision properties to display the numeric scale and precision of fields in the Discounts table of the Pubs database.

'BeginNumericScaleVB

    'To integrate this code
    'replace the data source and initial catalog values
    'in the connection string

Public Sub Main()
    On Error GoTo ErrorHandler

    ' connection and recordset variables
    Dim rstDiscounts As ADODB.Recordset
    Dim Cnxn As ADODB.Connection
    Dim fldTemp As ADODB.Field
    Dim strCnxn As String
    Dim strSQLDiscounts As String
    
    ' Open connection
    Set Cnxn = New ADODB.Connection
    strCnxn = "Provider='sqloledb';Data Source='MySqlServer';" & _
        "Initial Catalog='Pubs';Integrated Security='SSPI';"
    Cnxn.Open strCnxn
    
    ' Open recordset
    Set rstDiscounts = New ADODB.Recordset
    strSQLDiscounts = "Discounts"
    rstDiscounts.Open strSQLDiscounts, Cnxn, adOpenStatic, adLockReadOnly, adCmdTable
    
    ' Display numeric scale and precision of
    ' numeric and small integer fields
    For Each fldTemp In rstDiscounts.Fields
        If fldTemp.Type = adNumeric Or fldTemp.Type = adSmallInt Then
            MsgBox "Field: " & fldTemp.Name & vbCr & _
                "Numeric scale: " & _
                fldTemp.NumericScale & vbCr & _
                "Precision: " & fldTemp.Precision
        End If
    Next fldTemp

    ' clean up
    rstDiscounts.Close
    Cnxn.Close
    Set rstDiscounts = Nothing
    Set Cnxn = Nothing
    Exit Sub
    
ErrorHandler:
    ' clean up
    If Not rstDiscounts Is Nothing Then
        If rstDiscounts.State = adStateOpen Then rstDiscounts.Close
    End If
    Set rstDiscounts = Nothing
    
    If Not Cnxn Is Nothing Then
        If Cnxn.State = adStateOpen Then Cnxn.Close
    End If
    Set Cnxn = Nothing
    
    If Err <> 0 Then
        MsgBox Err.Source & "-->" & Err.Description, , "Error"
    End If

End Sub
'EndNumericScaleVB

See Also

Field Object | NumericScale Property | Parameter Object | Precision Property