SQL Server

HTTP POST x-www-form-urlencoded

Demonstrates how to send a simple URL encoded POST (content-type = x-www-form-urlencoded). Form params are passed in the HTTP request body in x-www-form-urlencoded format.

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-- Important: See this note about string length limitations for strings returned by sp_OAMethod calls.
--
CREATE PROCEDURE ChilkatSample
AS
BEGIN
    DECLARE @hr int
    -- Important: Do not use nvarchar(max).  See the warning about using nvarchar(max).
    DECLARE @sTmp0 nvarchar(4000)
    DECLARE @success int
    SELECT @success = 0

    -- This example requires the Chilkat API to have been previously unlocked.
    -- See Global Unlock Sample for sample code.

    DECLARE @http int
    EXEC @hr = sp_OACreate 'Chilkat.Http', @http OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    DECLARE @req int
    EXEC @hr = sp_OACreate 'Chilkat.HttpRequest', @req OUT

    -- Add the request params expected by the server-side:
    EXEC sp_OAMethod @req, 'AddParam', NULL, 'city', 'Paris'
    EXEC sp_OAMethod @req, 'AddParam', NULL, 'country', 'France'

    -- Send the POST
    EXEC sp_OASetProperty @req, 'HttpVerb', 'POST'
    EXEC sp_OASetProperty @req, 'ContentType', 'application/x-www-form-urlencoded'

    DECLARE @resp int
    EXEC @hr = sp_OACreate 'Chilkat.HttpResponse', @resp OUT

    EXEC sp_OAMethod @http, 'HttpReq', @success OUT, 'http://www.chilkatsoft.com/httpTest/cityCountry.asp', @req, @resp
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @http, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @http
        EXEC @hr = sp_OADestroy @req
        EXEC @hr = sp_OADestroy @resp
        RETURN
      END

    -- The exact HTTP request sent and response received
    -- by the example code above is as follows:

    -- 
    -- ---- Sending ----
    -- POST /httpTest/cityCountry.asp HTTP/1.1
    -- Host: www.chilkatsoft.com
    -- Content-Type: application/x-www-form-urlencoded
    -- Content-Length: 25
    -- 
    -- city=Paris&country=France
    -- ---- Received ----
    -- HTTP/1.1 200 OK
    -- Date: Wed, 09 Dec 2009 16:16:00 GMT
    -- Server: Microsoft-IIS/6.0
    -- X-Powered-By: ASP.NET
    -- Content-Length: 156
    -- Content-Type: text/html
    -- Set-Cookie: ASPSESSIONIDQCDTSSAC=MHJCNFMDENFOKGINOFEDILCM; path=/
    -- Cache-control: private
    -- 
    -- 
    -- <html>
    -- <head>
    -- <meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
    -- </head>
    -- <body>
    -- 
    -- France<br />Paris<br />
    -- 
    -- </body>
    -- </html>

    EXEC @hr = sp_OADestroy @http
    EXEC @hr = sp_OADestroy @req
    EXEC @hr = sp_OADestroy @resp


END
GO