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vbbusobjcls.cls
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1997-08-14
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VERSION 1.0 CLASS
BEGIN
MultiUse = -1 'True
END
Attribute VB_Name = "VbBusObjCls"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = True
Attribute VB_PredeclaredId = False
Attribute VB_Exposed = True
Option Explicit
Private Sub Class_Initialize()
'class setup code here
End Sub
Public Function Test()
'this is here to test minimum functionality
Test = "Functional test verified."
End Function
Public Function GetMachineName() As String
'this is here to show that not all methods need to be database related
On Error GoTo ehGetMachineName
Dim pc_name As String * 255
Dim x As Long
x = GetComputerName(pc_name, 255)
GetMachineName = Trim(pc_name)
Exit Function
ehGetMachineName:
GetMachineName = ""
End Function
Public Function ExecuteSQL(ByVal Connect As String, ByVal SQL As String) As Long
'this function executes and SQL string and returns the number of records affected
On Error GoTo ehExecuteSQL
Dim objADOCn As New ADODB.Connection 'ADO must be registered locally
objADOCn.Open Connect 'open connection
objADOCn.BeginTrans 'begin a transaction
objADOCn.Execute SQL, ExecuteSQL 'recordsetAffected is returned
objADOCn.CommitTrans 'no errors, commit
Exit Function
ehExecuteSQL:
'if transactions is not committed, it will be rolled back
ExecuteSQL = -2 '-2 indicates error condition
End Function
Public Function GetRecordset(ByVal Connect As String, ByVal SQL As String) As ADOR.Recordset
'this function returns an ADODB recordset object
On Error GoTo ehGetRecordset
Dim objADORs As New ADODB.Recordset 'ADO must be registered locally
objADORs.CursorLocation = adUseClientBatch 'this property is not visible in v1.0 typelib
objADORs.Open SQL, Connect, adOpenUnspecified, adLockBatchOptimistic, adCmdUnspecified
Set GetRecordset = objADORs 'set object pointer for ADOR type recordset
Exit Function
ehGetRecordset:
Err.Raise Err.Number, Err.Source, Err.Description
End Function
Private Sub Class_Terminate()
'class cleanup code here
End Sub