getrows-method-example-vb.md

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GetRows method example (VB)	GetRows method example (VB)	5a4e03de-0c89-ed93-7fe8-685906878e60	https://msdn.microsoft.com/library/JJ249311(v=office.15)	48545041	09/18/2015	v=office.15	medium

GetRows method example (VB)

Applies to: Access 2013, Office 2013

This example uses the GetRows method to retrieve a specified number of rows from a Recordset and to fill an array with the resulting data. The GetRows method will return fewer than the desired number of rows in two cases: either if EOF has been reached, or if GetRows tried to retrieve a record that was deleted by another user. The function returns False only if the second case occurs. The GetRowsOK function is required for this procedure to run.

 
'BeginGetRowsVB 
 
 '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 rstEmployees As ADODB.Recordset 
 Dim Cnxn As ADODB.Connection 
 Dim strSQLEmployees As String 
 Dim strCnxn As String 
 ' array variable 
 Dim arrEmployees As Variant 
 ' detail variables 
 Dim strMessage As String 
 Dim intRows As Integer 
 Dim intRecord As Integer 
 
 ' open connection 
 Set Cnxn = New ADODB.Connection 
 strCnxn = "Provider='sqloledb';Data Source='MySqlServer';" & _ 
 "Initial Catalog='Pubs';Integrated Security='SSPI';" 
 Cnxn.Open strCnxn 
 
 ' open recordset client-side to enable RecordCount 
 Set rstEmployees = New ADODB.Recordset 
 strSQLEmployees = "SELECT fName, lName, hire_date FROM Employee ORDER BY lName" 
 rstEmployees.Open strSQLEmployees, Cnxn, adOpenStatic, adLockReadOnly, adCmdText 
 
 ' get user input for number of rows 
 Do 
 strMessage = "Enter number of rows to retrieve:" 
 intRows = Val(InputBox(strMessage)) 
 
 ' if bad user input exit the loop 
 If intRows <= 0 Then 
 MsgBox "Please enter a positive number", vbOKOnly, "Not less than zero!" 
 ' if number of requested records is over the total 
 ElseIf intRows > rstEmployees.RecordCount Then 
 MsgBox "Not enough records in Recordset to retrieve " & intRows & " rows.", _ 
 vbOKOnly, "Over the available total" 
 Else 
 Exit Do 
 End If 
 Loop 
 
 ' else put the data in an array and print 
 arrEmployees = rstEmployees.GetRows(intRows) 
 
 Dim x As Integer, y As Integer 
 
 For x = 0 To intRows - 1 
 For y = 0 To 2 
 Debug.Print arrEmployees(y, x) & " "; 
 Next y 
 Debug.Print vbCrLf 
 Next x 
 
 ' clean up 
 rstEmployees.Close 
 Cnxn.Close 
 Set rstEmployees = Nothing 
 Set Cnxn = Nothing 
 Exit Sub 
 
ErrorHandler: 
 ' clean up 
 If Not rstEmployees Is Nothing Then 
 If rstEmployees.State = adStateOpen Then rstEmployees.Close 
 End If 
 Set rstEmployees = 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 
'EndGetRowsVB