(SQL Server) Decode HTML Entities found in XML

Demonstrates how to decode HTML entities found in XML.

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

-- 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)
    -- Load an XML file containing the following:

    -- <?xml version="1.0" encoding="UTF-8"?>
    -- <output>Franz&#xf6;sische</output> 

    DECLARE @xml int
    -- Use "Chilkat_9_5_0.Xml" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.Xml', @xml OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    DECLARE @success int
    EXEC sp_OAMethod @xml, 'LoadXmlFile', @success OUT, 'qa_data/xml/hasHtmlEntity.xml'

    -- Get non-decoded content, then get decoded content.

    -- Result is Franz&#xf6;sische
    EXEC sp_OAGetProperty @xml, 'Content', @sTmp0 OUT
    PRINT @sTmp0

    -- Result is Französische
    DECLARE @strDecoded nvarchar(4000)
    EXEC sp_OAGetProperty @xml, 'Content', @sTmp0 OUT
    EXEC sp_OAMethod @xml, 'DecodeEntities', @strDecoded OUT, @sTmp0

    PRINT @strDecoded

    EXEC @hr = sp_OADestroy @xml


END
GO