Question

Simple excel vba sql connection string and select statment

Asked by: mwootencnc1

I have tried to connect to a network sql database with vba in excel 2003 with no success.  I have seen several examples on this site buy none seem to work.  I can connect to the database from the excel side. A sample code to connect to a sql database set up as traverse_wmc thru odbc with initial catalog wmc with user id and password saved in the script. I also need an example of a select statement to set a variable to "assemblyid from tblmporder where orderno=31" . Any help is greatly appreciated.

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Asked On
2009-02-05 at 20:00:30ID24118261
Tags

excel vba code

Topics

dBase

,

MS SQL Server

,

Microsoft Excel Spreadsheet Software

,

VB Script

,

SQL Query Syntax

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Answers

 

by: purplepomegranitePosted on 2009-02-06 at 12:58:43ID: 23574150

The code below shows how to use ADO (you may need to add a reference to Microsoft ActiveX Data Objects in Excel VBA) to connect to either an Access (Jet) database or a MSSQL database (use whichever connection string is appropriate, modified accordingly).

If you are having problems, it would be helpful to post any error messages and any code you are currently trying.

	dim conDB as ADODB.Connection
   Dim R As ADODB.Recordset
	
	dim strConnectionString as string, strSQL as string, strDatabase as string
 
	' Set connection string for database
	
	' This is for a jet database (Microsoft Access)
   strConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;"
   strConnectionString = strConnectionString & "Data Source=" & strDatabase & ";"
	
	' This is for an MSSQL database
	strConnectionString=Data Source=myServerAddress;Initial Catalog=myDataBase;User Id=myUsername;Password=myPassword;"
	
	' Open database
	Set conDB = New ADODB.Connection
   conDB.ConnectionString = strConnectionString
   conDB.Open
	
	' Get recordset
	strSQL="SELECT * FROM Table"
   Set R = New ADODB.Recordset
   R.Open strSQL, conDB, adOpenKeyset, adLockOptimistic
	
	' Now go through records in recordset (if any)
	R.MoveFirst
	while not R.EOF
		' Example to access field
		debug.print R.Fields("FieldName").Value
		R.MoveNext ' Move to next record
	wend
	
	' Close objects
	R.Close
	conDB.Close

                                              
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by: cs97jjm3Posted on 2009-02-06 at 13:08:42ID: 23574229

also take a look at http://www.connectionstrings.com/excel   its the best bookmark anyone can have that needs connections

 

by: mwootencnc1Posted on 2009-02-06 at 13:13:48ID: 23574275

I tried the code below and I get an compile error invalid outside procedure with a highlight on the sql connection string

    Dim conDB As ADODB.Connection
   Dim R As ADODB.Recordset
    
    Dim strConnectionString As String, strSQL As String, strDatabase As String
 
    ' Set connection string for database
    
    ' This is for a jet database (Microsoft Access)
   'strConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;"
   'strConnectionString = strConnectionString & "Data Source=" & strDatabase & ";"
    
    ' This is for an MSSQL database
    strConnectionString = "Data Source=traverse_105;Initial Catalog=wmc;User Id=sa;Password=password;"
    
    ' Open database
    Set conDB = New ADODB.Connection
   conDB.ConnectionString = strConnectionString
   conDB.Open
    
    ' Get recordset
    strSQL = "SELECT * FROM Table"
   Set R = New ADODB.Recordset
   R.Open strSQL, conDB, adOpenKeyset, adLockOptimistic
    
    ' Now go through records in recordset (if any)
    R.MoveFirst
    While Not R.EOF
        ' Example to access field
        Debug.Print R.Fields("FieldName").Value
        R.MoveNext ' Move to next record
    Wend
    
    ' Close objects
    R.Close
    conDB.Close

                                              
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by: cs97jjm3Posted on 2009-02-06 at 13:19:31ID: 23574331

Where's the Sub... part of the code?

 

by: cs97jjm3Posted on 2009-02-06 at 13:22:31ID: 23574367

in adobe Database connections must be either through an ODBC connection or the form must be certified in Acrobat. This is due to security concerns. You can view the Help topic "To create a data connection to an OLE database" for more info.

also you could try select Advanced -> Sign & Certify. You will need a Digital ID. Acrobat Help has more info on this under "Digital Signatures", "Signing PDFs", "Certify a PDF".

 

by: cs97jjm3Posted on 2009-02-06 at 13:23:35ID: 23574376

ignore pdf type in wrong question

 

by: mwootencnc1Posted on 2009-02-06 at 13:24:04ID: 23574381

I'm sorry I left it out when I copied and pasted the code now I get an error at the Dim conDB As ADODB.Connection user defined type not defined

 

by: purplepomegranitePosted on 2009-02-06 at 13:41:04ID: 23574513

Is this in Excel VBA?

You need to add a reference to ADO.  To do this, from the VBA Editor:

- Tools... References...
- Find Microsoft ActiveX Data Objects 2.8 Library and tick it
- Click OK.

If you haven't got the above library, you'll have one of a different version, so choose that.  Though if it is earlier, it would be worth downloading the latest MDAC.

 

by: mwootencnc1Posted on 2009-02-06 at 14:42:52ID: 23575018

I did not have the MDAC installed so that let me get past the connection but now I am getting a syntax error at R.Open strSQL, conDB, adOpenKeyset, adLockOptimistic.

 

by: purplepomegranitePosted on 2009-02-06 at 14:49:16ID: 23575066

Try without the optional parameters (they are from Jet, not sure they are compatible with SQL Server):

R.Open strSQL, conDB

                                              
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by: EugeneZPosted on 2009-02-06 at 18:44:25ID: 23576233

you may like this link:

http://connectionstrings.com/

 

by: EugeneZPosted on 2009-02-06 at 18:48:04ID: 23576244

oops I see it was posted

check then:

http://www.ozgrid.com/forum/showthread.php?t=83016

 

by: mwootencnc1Posted on 2009-02-07 at 05:23:53ID: 31543552

thanks so much for your help

20120131-EE-VQP-002

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