Question

Totally Lost - Visual Basic 6.0 How to connect to an Access Database

Asked by: nomar2

I am coming from VBA. I have an Access database with 1 table. I am doing a project in Vb 6.0 . I have 1 form with a button and 1 textbox.

Basically I clcik the button and I wanted a value to be displayed in the textbox.

In Vba, this is how I would do  it under the click of the button

  Dim rs  DAO.Recordset
  Dim strSQL As String
  Dim db As Database


Set db = CurrentDb

       strSql = "SELECT iBinNum  FROM tBin WHERE (tBin.iBinStatus)=1"
        Set rs = db.OpenRecordset(strSql, dbOpenDynaset, dbSeeChanges)
        lnID = rs![binNum]
       text1.text = lnID

The problem is  can I do it this way in VB 6.0.

How do I connect or add a database to my VB 6.0 project and once connected how do I reference the DB in my code

I need step be step instructions because I am totally lost.

Any help or insight would be much appreciated.



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Asked On
2007-01-23 at 10:37:55ID22133490
Tags

basic

,

visual

,

connect

,

how

Topic

Visual Basic Programming

Participating Experts
3
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Comments
3

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Answers

 

by: jwarnkenPosted on 2007-01-23 at 11:18:13ID: 18377954

 

by: hesPosted on 2007-01-23 at 11:20:49ID: 18377981

In your project set a reference to Mocrosoft Activex Data Objects

Project>References

In your code:
Dim CN As ADODB.Connection
Dim RS As ADODB.Recordset
Dim strSQL

Set CN = New ADODB.Connection
Set RS = New ADODB.Recordset
CN.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;" & _
        "Data Source=" & "Path to your MDB"

CN.CursorLocation = adUseClient
CN.Open
strSql = "SELECT iBinNum  FROM tBin WHERE (tBin.iBinStatus)=1"
RS.Open sSql, CN, adOpenDynamic, adLockOptimistic
text1.text = RS.Fields("iBinNum")


RS.Close
CN.Close
Set RS = Nothing
Set CN = Nothing

 

by: bingiePosted on 2007-01-24 at 10:29:14ID: 18388452

Or with DAO,

- Set a reference to Microsoft DAO X.X

You will need to create a connection to the database, then use a recordset to retreive the data from the database.

At the top of your form, use this

   Dim db as Database

Now you can reference the database from anywhere in the code.

In your Form_Load() event, use this

   Set db = OpenDatabase(dbpath, dbOpenDynaset)

Which creates the connection to the database.

Now in your command button click event, use this

   Private Sub Text1_Click()
      Dim strSql  as String
      strSql = "SELECT iBinNum  FROM tBin WHERE (tBin.iBinStatus)=1"

      Dim rs as Recordset
      Set rs = db.OpenRecordset(strSql)
     
      'Ensure there are records in the recordset
      'Also assuming that iBinNum is primary key - else many
      'records could be returned.
      If Not (rs.BOF and rs.EOF) Then
         text1.text = rs.Fields("ibinNum")
      End If

      Set rs = Nothing
   End Sub      

And then in the Form_Unload() event,

   Private Sub Form_UnLoad(Cancel As Integer)
      Set db = Nothing
   End Sub

20120131-EE-VQP-002

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