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How to automate mail merge to Word using OLE and ODBC

This article was previously published under Q181926
This article demonstrates how to use OLE automation to create a mail mergein Microsoft Office Word 2003 using data from a Visual FoxPro (VFP) forWindows table.
Below is the Visual FoxPro for Windows code using the Word.Applicationobject model that performs the mail merge using an ODBC data source to anexisting Visual FoxPro table. This code can use an existing data sourcename (DSN), created in the ODBC Driver Manager, or it can create one on thefly utilizing an API call to add and use the DSN. In the example below,"Visual FoxPro Tables" is the DSN created in the ODBC Driver Manager and points to the \Samples\Data folder in the VFP home folder. These paths will most likely haveto be changed to reflect the users' paths.

Note This code was tested with the Service release-1 (SR-1) for Word 97 and Microsoft Office Word 2003.Using prior versions of Word 97 causes a Type Mismatch and other OLEerrors.

Create a program and enter the following code:
  ***/ Begin program code /***   * Code to create a new data source to a VFP table.   *   * Use the Declare DLL function to prototype the   * SQLConfigDataSource function.   * Using SQLConfigDataSource prevents having to go into   * the ODBC Driver Manager and create the DSN.   ***   IF VAL(SUBSTR(VERSION(4),2,1))>7lthemes=_screen.Themes_screen.Themes=.f.ENDIF   DECLARE Integer SQLConfigDataSource in odbccp32.dll Integer, ;      Integer, String, String   ***   * Create a string containing the settings appropriate to the driver.   * The following is an example for the Microsoft VFP ODBC driver   * accessing the Customer.dbf file.   ***   *** Change the path below to point to the Customer table ***   *** in the \Samples\Data folder.                      ***   settings="DSN=visual foxpro tables"+chr(0)+;             "Description=VFP ODBC Driver"+chr(0)+;             "SourceDB=e:\vfp7\samples\data"+chr(0)+;             "SourceType=DBF"   =SQLConfigDataSource(0,1,"Microsoft Visual FoxPro Driver",settings)   * NOTE: Ensure there are no spaces on either side of the equal sign (=).   ON ERROR DO errhand WITH ERROR(), MESSAGE(),  MESSAGE(1), PROGRAM( ),   LINENO( ) && Trap OLE & other errors.   * Initialize variables passed to Word to create form letter.   intro1="Congratulations! You are one of our best customers since you have ;   purchased $"   intro2=" each month from us. "   intro3="As a result, your maximum order amount has been increased by ;   $2500.00. If you have any questions, please feel free to contact us."   oWord = CREATEOBJECT("Word.Application")      WITH oWord         * Assign values to variables         dsname="e:\VFP7\SAMPLES\DATA\customer.DBF"         wformat=0         wconfirmconv=0         wreadonly=0         wlinktosource=0         waddtofilelist=0         wpassworddoc=""         wpasswordtemp=""         wrevert=0         wprotectdoc=""         wprotecttemp=""         wconn="DSN=visual foxpro tables;uid=;pwd=;"+;            "sourcedb=e:\vfp7\samples\data;sourcetype=dbf"+;            "exclusive=no;backgroundfetch=yes;collate=machine;"         wsqlstatement="SELECT contact,company,title,address,city,;            postalcode,STR(maxordamt,12,2) as maxordamt FROM customer ;            WHERE (customer.maxordamt>$100000)"         .Visible=.T.      && Make Word visible.         .WindowState = 2   && Minimize Word.         .Documents.Add      && Add new document.         .Selection.InsertParagraphAfter         .ActiveDocument.MailMerge.OpenDataSource;            (dsname,wformat,wconfirmconv,wreadonly,wlinktosource,;             waddtofilelist,wpassworddoc,wpasswordtemp,wrevert,;             wprotectdoc,wprotecttemp,wconn,wsqlstatement)         .ActiveDocument.MailMerge.EditMainDocument         .Selection.InsertDateTime("dddd, MMMM dd, yyyy", 1)         .Selection.MoveRight         .Selection.InsertParagraphAfter         .Selection.MoveDown         .ActiveDocument.MailMerge.Fields.Add;            (oWord.Selection.Range,"contact")         .Selection.InsertParagraphAfter         .Selection.MoveDown         .ActiveDocument.MailMerge.Fields.Add;            (oWord.Selection.Range,"company")         .Selection.InsertParagraphAfter         .Selection.MoveDown         .ActiveDocument.MailMerge.Fields.Add;             (oWord.Selection.Range,"title")         .Selection.InsertParagraphAfter         .Selection.MoveDown         .ActiveDocument.MailMerge.Fields.Add;            (oWord.Selection.Range,"address")         .Selection.InsertAfter(", ")         .Selection.MoveRight         .ActiveDocument.MailMerge.Fields.Add(oWord.Selection.Range,"city")         .Selection.InsertAfter("  ")         .Selection.MoveRight         .ActiveDocument.MailMerge.Fields.Add;            (oWord.Selection.Range,"postalcode")         .Selection.MoveRight         .Selection.InsertParagraphAfter         .Selection.InsertParagraphAfter         .Selection.InsertAfter("Dear ")         .Selection.MoveRight         .ActiveDocument.MailMerge.Fields.Add;            (oWord.Selection.Range,"contact")         .Selection.MoveRight         .Selection.InsertAfter(":")         .Selection.MoveRight         .Selection.InsertParagraphAfter         .Selection.InsertParagraphAfter         .Selection.MoveDown         .Selection.InsertAfter(intro1)         .Selection.MoveRight         .ActiveDocument.MailMerge.Fields.Add;            (oWord.Selection.Range,"maxordamt")         .Selection.MoveRight         .Selection.InsertAfter(intro2)         .Selection.MoveRight         .Selection.InsertAfter(intro3)         .Selection.MoveRight         .Selection.InsertParagraphAfter         .Selection.InsertParagraphAfter         .Selection.MoveDown         .Selection.InsertAfter("Thank you,")         .Selection.MoveRight         .Selection.InsertParagraphAfter         .Selection.InsertParagraphAfter         .Selection.MoveDown         .Selection.Fields.Add(oWord.Selection.Range,-1,"author")         .ActiveDocument.MailMerge.Destination = 0 && new document.         .ActiveDocument.MailMerge.Execute         && Run the merge.         nanswer = MESSAGEBOX("Would you like to view the finished ;         document?",36,"Switch to Word")         DO CASE            CASE nanswer = 6               .ActiveWindow.View.Type = 3    && Page layout view.               .Visible = .T.               .Application.Activate   && Bring Word forward.               .WindowState = 0         && Word in normal state.               =INKEY(5)         && Wait 5 seconds then bring VFP back.               .WindowState = 2    && Then minimize Word.              ENDCASE         nanswer = MESSAGEBOX("Print the document?",36,;         "Print the merged document.")         DO CASE            CASE nanswer = 6         && Yes               .ActiveDocument.PrintOut   && Print the merged form letter.         ENDCASE         nanswer = MESSAGEBOX("Save the document?",36,;         "Enter the name to save the merged document.")         DO CASE            CASE nanswer = 6         && Yes               cbaddoc=SPACE(25)               DO WHILE .T.                  DEFINE WINDOW getname FROM 1,1 TO 15,60 ;                     FONT 'COURIER NEW',10 FLOAT GROW ZOOM                     ACTIVATE WINDOW getname                     cdoc=SPACE(25)                     mquit = SPACE(1)                  IF !EMPTY(cbaddoc)                     @2,1 SAY "Existing file name: "+cbaddoc COLOR R+/w                  ENDIF                  @4,1 SAY "Enter a name for the Word document."                  @5,1 GET cdoc color b/w VALID emptyChk(cdoc)                  @7,25 GET mquit FUNCTION '*T Save' SIZE 2,10                  READ CYCLE                  CLEAR WINDOW getname                  cdoc=ALLTRIM(cdoc)                  cpath= .Options.DefaultFilePath(0)   && Get Word's                                                 && default document path.                  IF FILE(cpath+"\"+cdoc+".doc")                     WAIT WINDOW "Document already exists! Enter another ;                     file name." TIME 1                     cbaddoc=cdoc                     LOOP                  ELSE                     .ActiveDocument.SaveAs(cdoc)                  ENDIF                  .Documents.Close(0)                  .Application.Quit                  EXIT               ENDDO            CASE nanswer = 7         && No               .Documents.Close(0)               .Application.Quit            ENDCASE      ENDWITH   ON ERROR  && Restore system error handler.   IF VAL(SUBSTR(VERSION(4),2,1))>7_screen.Themes=lthemes   endif   PROCEDURE emptychk   PARAMETER pcdoc   IF !EMPTY(pcdoc)      RETURN .T.   ELSE      WAIT WINDOW "Enter a name for the Word Document"      RETURN 0   ENDIF   PROCEDURE errhand   PARAMETER merror, mess, mess1, mprog, mlineno   CLEAR   IF merror=1426      mlineno=LTRIM(STR(LINENO()))      merror=LTRIM(STR(merror))      =MESSAGEBOX("You have an OLE error. Usually this is caused by      quitting Word or canceling out of a dialog box in Word. "+CHR(13)+;      "The error message is "+mess)   ELSE      mlineno=LTRIM(STR(LINENO()))      merror=LTRIM(STR(merror))      =MESSAGEBOX("An error occured on line "+mlineno+;      ". The error message is "+mess+" The error number is "+merror)   ENDIF   ON ERROR   RETURN   ***/ End program code /***						
For additional information about how to obtain Word for Windows 97 Service release 1 (SR-1), click the following article number to view the article in the Microsoft Knowledge Base:
172475 How to obtain and install MS Office 97 SR-1
Microsoft Visual Basic for Applications Help (Word '97); search on "OLE"

Article ID: 181926 - Last Review: 02/16/2005 05:38:06 - Revision: 3.4

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