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Upload file and data to database

Posted on 2014-02-19
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Last Modified: 2014-02-20
Hi Experts,

I've got 20 documents with over 114 concurrent questions about 36 each. So I've put them in a table in my database and I've made ajax drag and drop interface so document management is easy.

The input part ready but now I have to complete the part that saves all fields into the database.

Because every document has a file upload field I guess I can't use request.from.

This is my best try:

<!--#INCLUDE FILE="config.asp"-->
<!--#INCLUDE FILE="requestobjects.asp"-->
<%
Server.ScriptTimeOut = 300
Response.Buffer = False
Dim oPseudoRequest 
Set oPseudoRequest = new PseudoRequestDictionary
oPseudoRequest.ReadRequest()
oPseudoRequest.ReadQuerystring(Request.Querystring)
documentID= SQLEncode(oPseudoRequest.Form("docmentID"))

' Eerst uitvragen aan de database wat we voor dit document moeten opslaan
sql="SELECT DISTINCT entree_items.valuename, entree_fieldtypes.datetype FROM entree_fieldtypes INNER JOIN (entree_items INNER JOIN entree_ItemPerDocument ON entree_items.fieldtypeID = entree_ItemPerDocument.itemID) ON entree_fieldtypes.fieldtypeID = entree_items.fieldtype WHERE entree_ItemPerDocument.documentID=1;"
'response.write sql
'response.end
Set RS = Server.CreateObject("ADODB.Recordset")
RS.Open SQL, cs
teller=0
sSQL = "SELECT * FROM entree_fase1"
Set oRS = Server.CreateObject("ADODB.RecordSet")
oRS.Open sSQL, cs, 1, 3
oRS.AddNew
Do While Not RS.EOF
	if RS("datetype") = "image" then
		oRS(RS("valuename")).AppendChunk oPseudoRequest.Form(RS("valuename")).Binary 
	else 
		oRS(RS("valuename")) = SQLEncode(oPseudoRequest.Form(RS("valuename")))
	end if

RS.MoveNext
Loop
oRS.Update
oRS.Close
Set oRS = Nothing

response.redirect("default.asp")

Function SQLEncode(ByVal s)
	SQLEncode = Cstr("" & s)
	SQLEncode = Replace(SQLEncode,"'","''")
End Function
Set oPseudoRequest = Nothing
cs.Close
Set cs = Nothing
%>

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As you can see I use Sybe Vissers pure ASP upload but I can't get lines 25 or 27 to work. I try to inject the fieldname from recordset RS  into the recordset oRS.

What should be my syntax? Or am I completely wrong here?

Thanks?
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Comment
Question by:Steynsk
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6 Comments
 
LVL 32

Expert Comment

by:Big Monty
Comment Utility
Because every document has a file upload field I guess I can't use request.from.

why not? :)

how are the file upload fields named? I assume they all have some sort matching text, maybe like fileUpload1, fileUpload2, fileUpload3, etc. if thats the case, you can just loop through the Request.Form object and grab the field names that way:

for each fileName in Request.Form
    if InStr( fileName, "fileUpload" ) > 0 then    '-- this is a file field
          theFile = Request.Form( fileName )
          '-- process the file however
    end if
next

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Author Comment

by:Steynsk
Comment Utility
But will that upload my file into datsbase as a blob file? (Date type "image" in ms sql).
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LVL 32

Accepted Solution

by:
Big Monty earned 500 total points
Comment Utility
the code i gave you is just a method in which you can get each file to the server using Request.Form. however you save it is up to you, but if it were up to me, I would save the files to some folder on your site (maybe call it /uploads/) and save the path to the file in the database.

This is a lot more efficient, and a lot easier to code than appending file chunks to the database
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Author Comment

by:Steynsk
Comment Utility
I understand but the files uploaded are scanned passport an id cards and should be stored more secure than basic. But maybe i should first upload them to a upload folder on the webserver and then post proces them to a blob in my db. I will search for a scrip to make this post proces work.
Maybe you have me led to an alternative solution that will solve my problem. I'll give it a try and get back to you.
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Assisted Solution

by:Big Monty
Big Monty earned 500 total points
Comment Utility
just keep in mind it's going to put a heavy load on your database server, as once you get the files in the database, you still need to stream them out, which the database will need to do. If you do go this route, I agree that first getting the files uploaded first, then processing them is the right approach.
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Author Closing Comment

by:Steynsk
Comment Utility
thanks for the advise
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