WebService and jquery ajax

Question

ALTER PROCEDURE [dbo].[ASP_INSERT_CATEGORY](@CATEGORY_NAME NVARCHAR(MAX),@CATEGORY_DESCRIPTION NVARCHAR(MAX))

AS BEGIN

DECLARE @COUNT INT

SELECT @COUNT = COUNT(CATEGORY_NAME) FROM PARES_MASTER_CATEGORIES WHERE CATEGORY_NAME=@CATEGORY_NAME

IF(@COUNT>1)

BEGIN

SELECT 1 AS ALREADY_SAVED

END

ELSE

BEGIN

INSERT INTO [PARES_MASTER_CATEGORIES] (CATEGORY_NAME,CATEGORY_DESCRIPTION,STATUS) VALUES(@CATEGORY_NAME,@CATEGORY_DESCRIPTION,1)

END

END

 

 

 

How to create webservice and call that with jquery ajax.