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Sending a HTTP Request using VB6

Posted on 2001-08-05
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Last Modified: 2008-03-03
Hi all!

I need to send a HTTP request to a certain asp file on the internet so as to trigger a action like sending emails, etc...

how should i do it??

thanks a million
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Question by:boonhui78
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Expert Comment

by:shankarkrupa
Comment Utility
Put an inet transfer control (microsoft internet transfer controls)

inet1.Execute "http://website.com/page.asp", "POST", "TEST=TEST"
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Expert Comment

by:shankarkrupa
Comment Utility
If that does not work, try this:
inet1.Execute "http://website.com/page.asp", "POST", "TEST=TEST", "Content-Type: application/x-www-form-urlencoded"
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Author Comment

by:boonhui78
Comment Utility
hi shankarkrupa!

i forgot to mention that my application is actually an activex dll... so it doesnt have any forms

so is it possible to create this object at run time?

thanks
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Expert Comment

by:shankarkrupa
Comment Utility
Of course, you can do it by latebinding...

Like this:

set inet1 = CreateObject("InetCtls.Inet.1")

then all those code...

Maybe, it is better to first place the inet1.cancel before all those codes, after creating the object...
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Expert Comment

by:CJ_S
Comment Utility
Following is the code I use. it needs at least IE 5 installed. the function makes use of the XMLHTTP object...if you want you can adjust it to make use of early binding instead of late binding like in the example.

Private Function GetHTML(url) As String
    Dim objXML As Object
    Set objXML = CreateObject("Microsoft.XMLHTTP")
    objXML.Open "GET", url, False
    objXML.send
    If (objXML.Status = 404) Then
        GetHTML = "404 Error"
    Else
        GetHTML = objXML.responseText
    End If

    Set objXML = Nothing
End Function

It sends the http request, and will return you the contents of that url, or a 404 error. The 404 error can be replaced by an err.raise, but that's all up to you to design it the way you want it to.

regards,
CJ
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LVL 33

Expert Comment

by:hongjun
Comment Utility
Using XMLHTTP Object

Private Sub Send_HTTP_REquest
     Dim DataToSend As String
     Dim objXML As Object


     DateToSend = "id=1"

     Set objXML = CreateObject("Microsoft.XMLHTTP")
     objXML.Open("POST", "http://www.domain/your_page.asp", false)
     objXML.setRequestHeader "Content-Type", "application/x-www-form-urlencoded"
     objXML.send DataToSend
End Sub


More information here
http://support.microsoft.com/support/kb/articles/Q290/5/91.ASP

hongjun
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Author Comment

by:boonhui78
Comment Utility
hi hongqiun!
that xml solution works however it removes all the spaces inside my data...

for example, if i set
DateToSend = "name=Eric Ang&body=Hello World"

i would recieve "EricAng", and "HelloWorld"

Any solutions??

Thanks

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Accepted Solution

by:
hongjun earned 50 total points
Comment Utility
Try this then

DateToSend = "name=Eric Ang&body=Hello World"
DateToSend = replace(DateToSend," ", "+")

hongjun
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Author Comment

by:boonhui78
Comment Utility
Hey Man! You are great!!

Thanks a million!
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Expert Comment

by:hongjun
Comment Utility
I am still learning like everyone here.

hongjun
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