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Retrieving Binary data from a database using ASP

Posted on 1998-08-27
4
187 Views
Last Modified: 2013-12-25
I have information stored in a table with the coloumn set to binary data. What I need to know is how to retrieve it and print it on an ASP page. I have tried the response.BinaryWrite with no result. What should I do?
The binary data is URL encoded. Is there any funktion in ASp for URLDecoding?
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Question by:MHQ
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4 Comments
 
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Author Comment

by:MHQ
ID: 1854587
I can extract almost all data using a simpe <% = database("text") %> It is still URL encoded though. And, for some reason, I ca'nt retrieve two of the fields.
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Author Comment

by:MHQ
ID: 1854588
Don't bother about the two fields, found THAT error...
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Accepted Solution

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sybe earned 70 total points
ID: 1854589
URLDecoding in ASP can be done. The following 2 functions each do the job:

<script language=JavaScript RUNAT=Server>
function JSUrlDecode(str) {
      return unescape(str):
}
</script>


<SCRIPT RUNAT=Server LANGUAGE="VBScript">
Function URLDecode(str)
   strInput = str
   If strInput = null Then strInput = ""
   ' First convert the + to space
   strOutput = REPLACE(strInput, "+", " ")
   ' Then convert the %number to normal code
   strSplit = Split(strOutput, "%")
   If ubound(strSplit) > 0 Then
      i = 0
      strOutput = strSplit(i)
      Do While i < ubound(strSplit)
         HexCode =  "&H" & Left(strSplit(i+1),2)
         Letter = CHR(HexCode)
         strOutput = strOutput & Letter & Right(strSplit(i+1),len(strSplit(i+1))-2)
         i = i + 1
      Loop
   End If
   URLDecode = strOutput
End Function
</SCRIPT>

<%
' Call the functions by:
NewString = URLDecode(OldString)
'or by
NewString = JSUrlDecode(OldString)
%>

By the way, urldecoded data should not be binary, it is normal text, using a minimal set of ASCII values.

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LVL 3

Author Comment

by:MHQ
ID: 1854590
That did the trick. I apreciate the help!
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