Contoh Properti Urutkan (Visual Basic)

Contoh ini menggunakan properti Sortir objek Recordset untuk menyusun ulang baris Recordset yang berasal dari tabel Penulis database Pub. Utilitas sekunder rutin mencetak setiap baris.

'BeginSortVB  
  
    '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 Cnxn As New ADODB.Connection  
    Dim rstAuthors As New ADODB.Recordset  
    Dim strCnxn As String  
    Dim strSQLAuthors As String  
  
    Dim strTitle 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 client-side recordset to enable sort method  
    Set rstAuthors = New ADODB.Recordset  
    rstAuthors.CursorLocation = adUseClient  
    strSQLAuthors = "SELECT * FROM Authors"  
    rstAuthors.Open strSQLAuthors, Cnxn, adOpenStatic, adLockReadOnly, adCmdText  
  
     ' sort the recordset last name ascending  
    rstAuthors.Sort = "au_lname ASC, au_fname ASC"  
     ' show output  
    Debug.Print "Last Name Ascending:"  
    Debug.Print "First Name  Last Name" & vbCr  
  
    rstAuthors.MoveFirst  
    Do Until rstAuthors.EOF  
        Debug.Print rstAuthors!au_fname & " " & rstAuthors!au_lname  
        rstAuthors.MoveNext  
    Loop  
  
     ' sort the recordset last name descending  
    rstAuthors.Sort = "au_lname DESC, au_fname ASC"  
     ' show output  
    Debug.Print "Last Name Descending"  
    Debug.Print "First Name  Last Name" & vbCr  
  
    Do Until rstAuthors.EOF  
        Debug.Print rstAuthors!au_fname & " " & rstAuthors!au_lname  
        rstAuthors.MoveNext  
    Loop  
  
    ' clean up  
    rstAuthors.Close  
    Cnxn.Close  
    Set rstAuthors = Nothing  
    Set Cnxn = Nothing  
    Exit Sub  
  
ErrorHandler:  
    ' clean up  
    If Not rstAuthors Is Nothing Then  
        If rstAuthors.State = adStateOpen Then rstAuthors.Close  
    End If  
    Set rstAuthors = 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  
'EndSortVB  

Ini adalah rutinitas utilitas sekunder yang mencetak judul yang diberikan, dan konten Recordset yang ditentukan.

Attribute VB_Name = "Sort"  

Lihat juga

Objek Recordset (ADO)
Properti Urutkan