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How to Print a Document from SQL Stored Procedure

, 6 Feb 2007
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Print a document from a stored procedure using a SQL OLE and VB DLL

Introduction

There are many different ways of pulling data out of the database and then format/print it according to your needs. The code below allows you to print a document from a stored procedure using a SQL OLE and VB DLL. The original article can be found at Siccolo Articles archive.

Step 1

At first, let's build a simple VB DLL (ActiveX component) that would handle the actual printing using Microsoft Word:

In ActiveX component, add a method that would print a document using Microsoft Word:

Public Sub PrintDocumentFromWord(ByVal DocumentFileName As String)

    On Error GoTo Err_Error

    Dim MethodName As String
    MethodName = ".PrintWebDocumentFromWord()"

    Dim strMessage As String

    Dim blnResult As Boolean

    Dim objWord As New Word.Application
    'Dim objWord As Object
    'Set objWord = CreateObject("Word.Application")

    Const wdAlertsNone = 0
    objWord.DisplayAlerts = wdAlertsNone

    'objWord.Activate
    'objWord.PrintOut FileName:=DocumentFileName
    Dim objDocument As Word.Document

    Set objDocument = objWord.Documents.Open(DocumentFileName)

    objDocument.Activate

    objDocument.PrintOut

    objDocument.Close

    objWord.Quit

Exit_Procedure:
    Set objDocument = Nothing
    Set objWord = Nothing

    Exit Sub

Err_Error:

    'handle error here
    Call HandleError("PrintWebDocument", ApplicationName, MethodName, VBA.Error)

    If Not objWord Is Nothing Then
        objWord.Quit
    End If

    Resume Exit_Procedure

End Sub

Compile and build ActiveX component. ActiveX component will reside on the same machine where SQL Server instance is running.

Step 2

Next, create a stored procedure that calls ActiveX component and passes file name of the document to be printed:

CREATE procedure sp_Print_Letter_File
(
    @file_name varchar(333)
    ,@debug_mode char(1)=''
)
as
    set nocount on

    declare @return int

    declare @print_document int
    declare @hr int
    declare @src varchar(255), @desc varchar(255)

    exec @hr = master.dbo.sp_OACreate 'PrintDocument.clsPrintDocument', _
	@print_document OUT
    if @hr <> 0    -- error creating instance!
    begin
           exec master.dbo.sp_OAGetErrorInfo  @print_document, @src out, @desc out
        select 'Creating Instance', hr=convert(varbinary(4),@hr), _
		source=@src, description=@desc
        set @return = -1
        goto error
    end

if @debug_mode<>''
    print '1. created'

    exec @hr = sp_OAMethod @print_document, 'PrintDocumentFromWord',_
	null,@file_name, @debug_mode
    if @hr <> 0
    begin
           exec sp_OAGetErrorInfo @print_document, @src OUT, @desc OUT
        select 'Call to Method', hr=convert(varbinary(4),@hr), _
	Source=@src, Description=@desc

        exec @hr = sp_OADestroy @print_document
        if @hr <> 0
        begin
            exec sp_OAGetErrorInfo @print_document, @src out, @desc out
            select 'Destroing Instance',hr=convert(varbinary(4),@hr), _
		source=@src, description=@desc
            --return
        end
        set @return = -2
        goto error

    end

if @debug_mode<>''
    print '2. send to object'

error:

    exec @hr = sp_OADestroy @print_document
    if @hr <> 0
    begin
        exec sp_OAGetErrorInfo @print_document, @src out, @desc out
        select 'Destroing Instance',hr=convert(varbinary(4),@hr), _
		source=@src, description=@desc
        set @return = -3
    end

if @debug_mode<>''
    print '3. done!'

set nocount off

GO   

And that's it. Don't forget to register your ActiveX component (I usually do it with Component Services MMC snap-in).

If you would like to read more on this story - please take a look at Siccolo - Free Mobile Management Tool For SQL Server and more articles at Siccolo articles.

History

  • 6th February, 2007: Initial post

License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

About the Author

aleksisa

United States United States
No Biography provided

Comments and Discussions

 
GeneralMy vote of 1 PinmvpDave Kreskowiak15-Feb-10 9:28 
QuestionHow to Print a Document from SQL Stored Procedure PinmemberCarlos Davila12-Nov-09 5:32 
QuestionHow to Print a Document from page Pinmemberm2kannan16-Apr-09 22:37 
QuestionHow to Print Pinmemberadam amin29-Oct-08 1:05 
QuestionCan already call COM objects in SQL 2000 Pinmembertrevorde stickman14-Feb-07 13:31 
Hi
there are already functions in SQL 2000 for calling COM objects. The advantage of this approach is that it would allow you to separately develop/test/debug a single COM object using VB rather than a stored procedure.
 
Kind regards
Trevor D'Arcy-Evans
AnswerRe: Can already call COM objects in SQL 2000 Pinmemberaleksisa15-Feb-07 8:31 
GeneralLicencing issue Pinmembertrevorde stickman14-Feb-07 13:23 
GeneralRe: Licencing issue Pinmemberaleksisa15-Feb-07 8:29 

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