Content Supported by Sourcelens Consulting
VERSION 5.00
Begin VB.Form frmODBCLogon
BorderStyle = 3 'Fixed Dialog
Caption = "ODBC Logon"
ClientHeight = 3180
ClientLeft = 2850
ClientTop = 1755
ClientWidth = 4470
ControlBox = 0 'False
BeginProperty Font
Name = "Tahoma"
Size = 8.25
Charset = 0
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
HelpContextID = 2016138
Icon = "ODBCLogn.frx":0000
KeyPreview = -1 'True
LinkTopic = "Form1"
LockControls = -1 'True
MaxButton = 0 'False
MinButton = 0 'False
ScaleHeight = 3180
ScaleWidth = 4470
ShowInTaskbar = 0 'False
StartUpPosition = 2 'CenterScreen
Begin VB.CommandButton cmdRegister
Caption = "&Register"
Height = 450
Left = 120
MaskColor = &H00000000&
TabIndex = 15
Top = 2655
Width = 1440
End
Begin VB.CommandButton cmdCancel
Cancel = -1 'True
Caption = "Cancel"
Height = 450
Left = 3075
MaskColor = &H00000000&
TabIndex = 13
Top = 2655
Width = 1260
End
Begin VB.CommandButton cmdOK
Caption = "&OK"
Default = -1 'True
Height = 450
Left = 1740
MaskColor = &H00000000&
TabIndex = 12
Top = 2655
Width = 1260
End
Begin VB.Frame fraConnection
Caption = "Connection Values"
Height = 2415
Left = 120
TabIndex = 14
Top = 120
Width = 4230
Begin VB.TextBox txtUID
Height = 300
Left = 1125
TabIndex = 3
Top = 600
Width = 3015
End
Begin VB.TextBox txtPWD
Height = 300
IMEMode = 3 'DISABLE
Left = 1125
PasswordChar = "*"
TabIndex = 5
Top = 930
Width = 3015
End
Begin VB.TextBox txtDatabase
Height = 300
Left = 1125
TabIndex = 7
Top = 1260
Width = 3015
End
Begin VB.ComboBox cboDSNList
Height = 315
ItemData = "ODBCLogn.frx":000C
Left = 1125
List = "ODBCLogn.frx":000E
Sorted = -1 'True
TabIndex = 1
Text = "�"
Top = 240
Width = 3000
End
Begin VB.TextBox txtServer
Enabled = 0 'False
Height = 330
Left = 1125
TabIndex = 11
Top = 1935
Width = 3015
End
Begin VB.ComboBox cboDrivers
Enabled = 0 'False
Height = 315
ItemData = "ODBCLogn.frx":0010
Left = 1125
List = "ODBCLogn.frx":0012
Sorted = -1 'True
Style = 2 'Dropdown List
TabIndex = 9
Top = 1590
Width = 3015
End
Begin VB.Label lblLabels
AutoSize = -1 'True
Caption = "&DSN:"
Height = 195
Index = 0
Left = 135
TabIndex = 0
Top = 285
Width = 360
End
Begin VB.Label lblLabels
AutoSize = -1 'True
Caption = "&UID:"
Height = 195
Index = 1
Left = 135
TabIndex = 2
Top = 630
Width = 330
End
Begin VB.Label lblLabels
AutoSize = -1 'True
Caption = "&Password:"
Height = 195
Index = 2
Left = 135
TabIndex = 4
Top = 975
Width = 750
End
Begin VB.Label lblLabels
AutoSize = -1 'True
Caption = "Data&base:"
Height = 195
Index = 3
Left = 135
TabIndex = 6
Top = 1320
Width = 750
End
Begin VB.Label lblLabels
AutoSize = -1 'True
Caption = "Dri&ver:"
Enabled = 0 'False
Height = 195
Index = 4
Left = 135
TabIndex = 8
Top = 1665
Width = 495
End
Begin VB.Label lblLabels
AutoSize = -1 'True
Caption = "&Server:"
Enabled = 0 'False
Height = 195
Index = 5
Left = 135
TabIndex = 10
Top = 2010
Width = 540
End
End
End
Attribute VB_Name = "frmODBCLogon"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Option Explicit
'>>>>>>>>>>>>>>>>>>>>>>>>
Const FORMCAPTION = "ODBC Logon"
Const BUTTON1 = "&OK"
Const BUTTON2 = "&Cancel"
Const BUTTON3 = "&Register"
Const FRAME1 = "Connect Values:"
Const Label1 = "&DSN:"
Const Label2 = "&UID:"
Const LABEL3 = "&Password:"
Const LABEL4 = "Data&base:"
Const LABEL5 = "Dri&ver:"
Const LABEL6 = "&Server:"
Const MSG1 = "Enter ODBC Connection Parameters"
Const MSG2 = "Opening ODBC Database"
Const MSG3 = "Enter Driver Name:"
Const MSG4 = "Driver Name"
Const MSG5 = "This Datasource has not been Registered, this will now be attempted for you!"
Const MSG7 = "Invalid Parameter(s), Please try again!"
Const MSG8 = "Query Timeout Could not be set, default will be used!"
Const MSG9 = "Datasource Registration Succeeded, proceed with Open."
Const MSG10 = "Please enter a DSN!"
Const MSG11 = "Please select a Driver!"
Const MSG12 = "You must Close First!"
'>>>>>>>>>>>>>>>>>>>>>>>>
Dim mbBeenLoaded As Integer
Public DBOpened As Boolean
Private Declare Function SQLDataSources Lib "ODBC32.DLL" (ByVal henv&, ByVal fDirection%, ByVal szDSN$, ByVal cbDSNMax%, pcbDSN%, ByVal szDescription$, ByVal cbDescriptionMax%, pcbDescription%) As Integer
Private Declare Function SQLAllocEnv% Lib "ODBC32.DLL" (env&)
Const SQL_SUCCESS As Long = 0
Const SQL_FETCH_NEXT As Long = 1
Private Sub cboDSNList_Change()
If Len(cboDSNList.Text) = 0 Or cboDSNList.Text = "(None)" Then
txtServer.Enabled = True
cboDrivers.Enabled = True
lblLabels(4).Enabled = True
lblLabels(5).Enabled = True
Else
txtServer.Enabled = False
cboDrivers.Enabled = False
lblLabels(4).Enabled = False
lblLabels(5).Enabled = False
End If
End Sub
Private Sub cmdCancel_Click()
gbDBOpenFlag = False
gsDBName = vbNullString
DBOpened = False
Me.Hide
End Sub
Private Sub cmdOK_Click()
On Error GoTo cmdOK_ClickErr
Dim sConnect As String
Dim dbTemp As Database
MsgBar MSG2, True
If frmMDI.mnuPOpenOnStartup.Checked Then
Me.Refresh
End If
Screen.MousePointer = vbHourglass
If Len(cboDSNList.Text) > 0 Then
sConnect = "ODBC;DSN=" & cboDSNList.Text & ";"
Else
sConnect = "ODBC;Driver={" & cboDrivers.Text & "};"
sConnect = sConnect & "Server=" & txtServer.Text & ";"
End If
sConnect = sConnect & "UID=" & txtUID.Text & ";"
sConnect = sConnect & "PWD=" & txtPWD.Text & ";"
If Len(txtDatabase.Text) > 0 Then
sConnect = sConnect & "Database=" & txtDatabase.Text & ";"
End If
Set dbTemp = gwsMainWS.OpenDatabase("", 0, 0, sConnect)
If gbDBOpenFlag Then
CloseCurrentDB
If gbDBOpenFlag Then
Beep
MsgBox MSG12, 48
Me.Hide
Exit Sub
End If
End If
'success
DBOpened = True
'save the values
gsODBCDatasource = cboDSNList.Text
gsDBName = gsODBCDatasource
gsODBCDatabase = txtDatabase.Text
gsODBCUserName = txtUID.Text
gsODBCPassword = txtPWD.Text
gsODBCDriver = cboDrivers.Text
gsODBCServer = txtServer.Text
gsDataType = gsSQLDB
Set gdbCurrentDB = dbTemp
GetODBCConnectParts gdbCurrentDB.Connect
cboDSNList.Text = gsODBCDatasource
txtDatabase.Text = gsODBCDatabase
txtUID.Text = gsODBCUserName
txtPWD.Text = gsODBCPassword
frmMDI.Caption = "VisData:" & gsDBName & "." & gsODBCDatabase
gdbCurrentDB.QueryTimeout = glQueryTimeout
gbDBOpenFlag = True
AddMRU
Screen.MousePointer = vbDefault
Me.Hide
Exit Sub
cmdOK_ClickErr:
Screen.MousePointer = vbDefault
gbDBOpenFlag = False
If Len(cboDSNList.Text) > 0 Then
If InStr(1, Error, "ODBC--connection to '" & cboDSNList.Text & "' failed") > 0 Then
Beep
MsgBox MSG5, 48
txtDatabase.Text = vbNullString
txtUID.Text = vbNullString
txtPWD.Text = vbNullString
If RegisterDB((cboDSNList.Text)) Then
MsgBox MSG9, 48
End If
ElseIf InStr(1, Error, "Login failed") > 0 Then
Beep
MsgBox MSG7, 48
ElseIf InStr(1, Error, "QueryTimeout property") > 0 Then
If glQueryTimeout <> 5 Then
Beep
MsgBox MSG8, 48
End If
Resume Next
Else
ShowError
End If
End If
MsgBar MSG1, False
If Err = 3059 Then
Unload Me
End If
End Sub
Private Sub cmdRegister_Click()
On Error GoTo cmdRegister_ClickErr
If Len(cboDSNList.Text) = 0 Then
MsgBox MSG10, vbInformation, Me.Caption
Exit Sub
End If
If Len(cboDrivers.Text) = 0 Then
MsgBox MSG11, vbInformation, Me.Caption
Exit Sub
End If
'try to register it
DBEngine.RegisterDatabase cboDSNList.Text, cboDrivers.Text, False, vbNullString
MsgBox MSG9, vbInformation
Exit Sub
cmdRegister_ClickErr:
ShowError
End Sub
Private Sub Form_KeyUp(KeyCode As Integer, Shift As Integer)
If KeyCode = vbKeyF1 And Shift = 0 Then
DisplayTopic 2016138
End If
End Sub
Private Sub Form_Load()
Dim i As Integer
Me.Caption = FORMCAPTION
cmdOK.Caption = BUTTON1
cmdCancel.Caption = BUTTON2
cmdRegister.Caption = BUTTON3
fraConnection.Caption = FRAME1
lblLabels(0).Caption = Label1
lblLabels(1).Caption = Label2
lblLabels(2).Caption = LABEL3
lblLabels(3).Caption = LABEL4
lblLabels(4).Caption = LABEL5
lblLabels(5).Caption = LABEL6
GetDSNsAndDrivers
MsgBar MSG1, False
cboDSNList.Text = gsODBCDatasource
txtDatabase.Text = gsODBCDatabase
txtUID.Text = gsODBCUserName
txtPWD.Text = gsODBCPassword
If Len(gsODBCDriver) > 0 Then
For i = 0 To cboDrivers.ListCount - 1
If cboDrivers.List(i) = gsODBCDriver Then
cboDrivers.ListIndex = i
Exit For
End If
Next
End If
txtServer.Text = gsODBCServer
mbBeenLoaded = True
End Sub
Private Sub cboDSNList_Click()
cboDSNList_Change
End Sub
Sub GetDSNsAndDrivers()
On Error Resume Next
Dim i As Integer
Dim sDSNItem As String * 1024
Dim sDRVItem As String * 1024
Dim sDSN As String
Dim sDRV As String
Dim iDSNLen As Integer
Dim iDRVLen As Integer
Dim lHenv As Long 'handle to the environment
cboDSNList.AddItem "(None)"
'get the DSNs
If SQLAllocEnv(lHenv) <> -1 Then
Do Until i <> SQL_SUCCESS
sDSNItem = Space(1024)
sDRVItem = Space(1024)
i = SQLDataSources(lHenv, SQL_FETCH_NEXT, sDSNItem, 1024, iDSNLen, sDRVItem, 1024, iDRVLen)
sDSN = VBA.Left(sDSNItem, iDSNLen)
sDRV = VBA.Left(sDRVItem, iDRVLen)
If sDSN <> Space(iDSNLen) Then
cboDSNList.AddItem sDSN
cboDrivers.AddItem sDRV
End If
Loop
End If
'remove the dupes
If cboDSNList.ListCount > 0 Then
With cboDrivers
If .ListCount > 1 Then
i = 0
While i < .ListCount
If .List(i) = .List(i + 1) Then
.RemoveItem (i)
Else
i = i + 1
End If
Wend
End If
End With
End If
cboDSNList.ListIndex = 0
End Sub
Private Sub Form_Unload(Cancel As Integer)
MsgBar vbNullString, False
End Sub
Private Function RegisterDB(rsDatasource As String) As Integer
On Error GoTo RDBErr
Dim sDriver As String
sDriver = InputBox(MSG3, MSG4, gsDEFAULT_DRIVER)
If sDriver <> gsDEFAULT_DRIVER Then
DBEngine.RegisterDatabase rsDatasource, sDriver, False, vbNullString
Else
DBEngine.RegisterDatabase rsDatasource, sDriver, True, vbNullString
End If
RegisterDB = True
Exit Function
RDBErr:
RegisterDB = False
End Function