(SQL Server) Convert HTML to Plain Text

Demonstrates how to convert HTML to plain text.

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
    DECLARE @iTmp0 int
    -- Important: Do not use nvarchar(max).  See the warning about using nvarchar(max).
    DECLARE @sTmp0 nvarchar(4000)
    -- This example requires the Chilkat API to have been previously unlocked.
    -- See Global Unlock Sample for sample code.

    DECLARE @h2t int
    -- Use "Chilkat_9_5_0.HtmlToText" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.HtmlToText', @h2t OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    DECLARE @html nvarchar(4000)
    EXEC sp_OAMethod @h2t, 'ReadFileToString', @html OUT, 'c:/temp/test.html', 'utf-8'
    EXEC sp_OAGetProperty @h2t, 'LastMethodSuccess', @iTmp0 OUT
    IF @iTmp0 = 0
      BEGIN
        EXEC sp_OAGetProperty @h2t, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @h2t
        RETURN
      END

    DECLARE @plainText nvarchar(4000)
    EXEC sp_OAMethod @h2t, 'ToText', @plainText OUT, @html
    EXEC sp_OAGetProperty @h2t, 'LastMethodSuccess', @iTmp0 OUT
    IF @iTmp0 = 0
      BEGIN
        EXEC sp_OAGetProperty @h2t, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @h2t
        RETURN
      END


    PRINT @plainText

    EXEC @hr = sp_OADestroy @h2t


END
GO