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About Richard Rost
Expertise
I can answer any questions pertaining to Microsoft Visual Basic 6.0, Microsoft Access VBA, and the Visual Basic Language in general. I do NOT use VB.NET or VB 2005/08 much yet, so don't ask me any questions specific to those. Also, please feel free to check the Tips & Tricks section of my web site for VB tips.

Experience
I am the president of VBLearningZone.com and 599CD.com. I specialize in Microsoft Access and Visual Basic Tutorials. I have been teaching in the classroom since 1994, and online since 2002.

Education/Credentials
I am a self-taught VB expert. I have been building software for clients since the early 90s (and on my own since I was a child). You can see a sample of my Tutorials on my web site at 599CD.com

 
   

You are here:  Experts > Computing/Technology > Basic > Visual Basic > vb code

Topic: Visual Basic



Expert: Richard Rost
Date: 7/10/2008
Subject: vb code

Question
   


Hi,
I am a beginner in Vb6 with access 2000 coding i am designing a project for the diabled people.I am trying to use multiple forms for the data entry for a single access table which i create in the first form.i use one adodc connection only i cant give the record source at design time.
my code goes like this


Option Explicit
Dim cnn As New ADODB.Connection, rec As ADODB.Recordset
Dim a As String

Private Sub Command1_Click()
rec.Open ("select * from tableName a ")
rec.AddNew
'you have used text1 to create the tablename
rec.Fields(0) = Val(text2)
rec.Fields(1) = Val(text3)
rec.Fields(2) = Val(text4)
'.. and so on for all fields
rec.Update
If Not rec.EOF Then rec.MoveNext
rec.Close
End Sub

Private Sub Form_click()

Set cnn = New ADODB.Connection
cnn.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:Documents and SettingsRavindraMy DocumentsTest_1.mdb;Persist Security Info=False"
Set rec = New ADODB.Recordset
cnn.Open
'for the creation of table.
a = Text1 ' or inputbox("enter tablename")
cnn.Execute "CREATE TABLE " & a & " (id integer, intensity integer,Tim integer)"


End Sub

Private Sub Form_Unload(Cancel As Integer)
cnn.Close
Set cnn = Nothing

End Sub
BUT SOME ERROR CN.OPEN


Answer
If you need to specify the table to open at RunTime then just put it in a variable and say:

rec.Open ("select * from " & TABLENAME)


Let me know if you have any other questions or comments.

Also, be sure to visit my FREE Visual Basic Tips & Tricks Page at http://www.599cd.com/tips/VB?key=AllExperts


Cordially,

Richard Rost
599CD Computer Training
http://www.599cd.com

P.S. Try one of my FREE tutorials at http://www.599cd.com/VB?key=AllExperts

P.P.S. I volunteer my time at AllExperts to help people, and I get a LOT of questions, so I can't take an hour to answer each question. If you need more DETAILED HELP, come to my TechHelp web site at http://www.599cd.com/TechHelp/AllExperts and I'll take as much time as you need to answer your question.

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