delete all foreign key store procedure

USE [GloriousFuture]
GO
/****** Object: StoredProcedure [dbo].[sp_drop_all_fk] Script Date: 12/07/2012 16:46:51 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
ALTER PROCEDURE [dbo].[sp_drop_all_fk]

as

declare @sql varchar(255)
declare dropsql_cursor cursor for
select 'alter table '+object_name(fkeyid)+' drop constraint '+object_name(constid)+char(10) from sysreferences

open dropsql_cursor

fetch dropsql_cursor into @sql

begin tran

while @@fetch_status=0
begin

execute(@sql)

if @@error <> 0
begin
rollback
return
end

fetch dropsql_cursor into @sql

end
deallocate dropsql_cursor

commit