Exemplo das propriedades NumericScale e Precision (VB)
Este exemplo usa as propriedades NumericScale e Precision para exibir a escala numérica e a precisão dos campos na tabela Discounts do banco de dados Pubs.
'BeginNumericScaleVB
'To integrate this code
'replace the data source and initial catalog values
'in the connection string
Public Sub NumericScaleX()
' 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
End Sub
'EndNumericScaleVB
Consulte Também
Objeto Campo
Propriedade NumericScale (ADO)
Objeto Parameter
Propriedade Precision (ADO)