En Asp existen muchos componentes que existen por la web para trabajar archivos:
Yo uso uno gratuito que me ha funcionado excelentemente.
Te ajunto el codigo por secciones:
Insert.asp
Código HTML:
<!--#include file="Loader.asp"-->
<%
Response.Buffer = True
' load object
Dim load
Set load = new Loader
' calling initialize method
load.initialize
' Value of text input field "name"
Dim nameInput
Dim ddlcliente
nameInput = load.getValue("idProNew")
ddlcliente = load.getValue("ddlcliente")
TipoArchivo = load.getValue("tbTipoArchivo")
Origen = load.getValue("Origen")
' File binary data
Dim fileData
fileData = load.getFileData("file")
' File name
Dim fileName
fileName = LCase(load.getFileName("file"))
' File path
Dim filePath
filePath = load.getFilePath("file")
' File path complete
Dim filePathComplete
filePathComplete = load.getFilePathComplete("file")
' File size
Dim fileSize
fileSize = load.getFileSize("file")
if cdbl(fileSize) > 5197153 then
Response.Redirect("SubeContrato.asp?msgError=1&idPro="& nameInput)
Response.End
END IF
' File size translated
Dim fileSizeTranslated
fileSizeTranslated = load.getFileSizeTranslated("file")
' Content Type
Dim contentType
contentType = load.getContentType("file")
'and contentType <> "application/msword"
if contentType <> "application/pdf" AND contentType <> "application/msword" then
Response.Redirect("SubeContrato.asp?msgError=2&idPro="& nameInput)
Response.End
END IF
' No. of Form elements
Dim countElements
countElements = load.Count
' Path where file will be uploaded
Dim pathToFile
if lcase(contentType) = "application/pdf" then
set fso = server.CreateObject("Scripting.filesystemobject")
for nm = 0 to Ubound(vLetras)
str = Server.MapPath("Doctos\"&TipoArchivo&"_"& nameInput & vLetras(nm) & ".pdf")
if not fso.FileExists (str) then
exit for
End if
next
set fso = nothing
pathToFile = str
' elseif contentType = "application/msword" then
' pathToFile = Server.mapPath("Doctos/") & "\Contrato_" & nameInput & ".doc"
end if
if lcase(contentType) = "application/msword" then
set fso = server.CreateObject("Scripting.filesystemobject")
for nm = 0 to Ubound(vLetras)
str = Server.MapPath("Doctos\"&TipoArchivo&"_"& nameInput & vLetras(nm) & ".doc")
if not fso.FileExists (str) then
exit for
End if
next
set fso = nothing
pathToFile = str
end if
' Uploading file data
Dim fileUploaded
fileUploaded = load.saveToFile ("file", pathToFile)
' destroying load object
Set load = Nothing
Loader.asp
Código HTML:
<%
' -- Loader.asp --
' -- version 1.5
' -- last updated 6/13/2002
Class Loader
Private dict
Private Sub Class_Initialize
Set dict = Server.CreateObject("Scripting.Dictionary")
End Sub
Private Sub Class_Terminate
If IsObject(intDict) Then
intDict.RemoveAll
Set intDict = Nothing
End If
If IsObject(dict) Then
dict.RemoveAll
Set dict = Nothing
End If
End Sub
Public Property Get Count
Count = dict.Count
End Property
Public Sub Initialize
If Request.TotalBytes > 0 Then
Dim binData
binData = Request.BinaryRead(Request.TotalBytes)
getData binData
End If
End Sub
Public Function getFileData(name)
If dict.Exists(name) Then
getFileData = dict(name).Item("Value")
Else
getFileData = ""
End If
End Function
Public Function getValue(name)
Dim gv
If dict.Exists(name) Then
gv = CStr(dict(name).Item("Value"))
gv = Left(gv,Len(gv)-2)
getValue = gv
Else
getValue = ""
End If
End Function
Public Function saveToFile(name, path)
If dict.Exists(name) Then
Dim temp
temp = dict(name).Item("Value")
Dim fso
Set fso = Server.CreateObject("Scripting.FileSystemObject")
Dim file
Set file = fso.CreateTextFile(path)
For tPoint = 1 to LenB(temp)
file.Write Chr(AscB(MidB(temp,tPoint,1)))
Next
file.Close
saveToFile = True
Else
saveToFile = False
End If
End Function
Public Function getFileName(name)
If dict.Exists(name) Then
Dim temp, tempPos
temp = dict(name).Item("FileName")
tempPos = 1 + InStrRev(temp, "\")
getFileName = Mid(temp, tempPos)
Else
getFileName = ""
End If
End Function
Public Function getFilePath(name)
If dict.Exists(name) Then
Dim temp, tempPos
temp = dict(name).Item("FileName")
tempPos = InStrRev(temp, "\")
getFilePath = Mid(temp, 1, tempPos)
Else
getFilePath = ""
End If
End Function
Public Function getFilePathComplete(name)
If dict.Exists(name) Then
getFilePathComplete = dict(name).Item("FileName")
Else
getFilePathComplete = ""
End If
End Function
Public Function getFileSize(name)
If dict.Exists(name) Then
getFileSize = LenB(dict(name).Item("Value"))
Else
getFileSize = 0
End If
End Function
Public Function getFileSizeTranslated(name)
If dict.Exists(name) Then
temp = 1 + LenB(dict(name).Item("Value"))
If Len(temp) <= 3 Then
getFileSizeTranslated = temp & " bytes"
ElseIf Len(temp) > 6 Then
temp = FormatNumber(((temp / 1024) / 1024), 2)
getFileSizeTranslated = temp & " megabytes"
Else
temp = FormatNumber((temp / 1024), 2)
getFileSizeTranslated = temp & " kilobytes"
End If
Else
getFileSizeTranslated = ""
End If
End Function
Public Function getContentType(name)
If dict.Exists(name) Then
getContentType = dict(name).Item("ContentType")
Else
getContentType = ""
End If
End Function
Private Sub getData(rawData)
Dim separator
separator = MidB(rawData, 1, InstrB(1, rawData, ChrB(13)) - 1)
Dim lenSeparator
lenSeparator = LenB(separator)
Dim currentPos
currentPos = 1
Dim inStrByte
inStrByte = 1
Dim value, mValue
Dim tempValue
tempValue = ""
While inStrByte > 0
inStrByte = InStrB(currentPos, rawData, separator)
mValue = inStrByte - currentPos
If mValue > 1 Then
value = MidB(rawData, currentPos, mValue)
Dim begPos, endPos, midValue, nValue
Dim intDict
Set intDict = Server.CreateObject("Scripting.Dictionary")
begPos = 1 + InStrB(1, value, ChrB(34))
endPos = InStrB(begPos + 1, value, ChrB(34))
nValue = endPos
Dim nameN
nameN = MidB(value, begPos, endPos - begPos)
Dim nameValue, isValid
isValid = True
If InStrB(1, value, stringToByte("Content-Type")) > 1 Then
begPos = 1 + InStrB(endPos + 1, value, ChrB(34))
endPos = InStrB(begPos + 1, value, ChrB(34))
If endPos = 0 Then
endPos = begPos + 1
isValid = False
End If
midValue = MidB(value, begPos, endPos - begPos)
intDict.Add "FileName", trim(byteToString(midValue))
begPos = 14 + InStrB(endPos + 1, value, stringToByte("Content-Type:"))
endPos = InStrB(begPos, value, ChrB(13))
midValue = MidB(value, begPos, endPos - begPos)
intDict.Add "ContentType", trim(byteToString(midValue))
begPos = endPos + 4
endPos = LenB(value)
nameValue = MidB(value, begPos, endPos - begPos)
Else
nameValue = trim(byteToString(MidB(value, nValue + 5)))
End If
If isValid = true Then
intDict.Add "Value", nameValue
intDict.Add "Name", nameN
dict.Add byteToString(nameN), intDict
End If
End If
currentPos = lenSeparator + inStrByte
Wend
End Sub
End Class
Private Function stringToByte(toConv)
Dim tempChar
For i = 1 to Len(toConv)
tempChar = Mid(toConv, i, 1)
stringToByte = stringToByte & chrB(AscB(tempChar))
Next
End Function
Private Function byteToString(toConv)
For i = 1 to LenB(toConv)
byteToString = byteToString & chr(AscB(MidB(toConv,i,1)))
Next
End Function
%>