ifucudc

I developing a scada application in c# and want to make alarm table in it For that what methods will i have to call. and will it consume more time because i will have to use threads for it. Is there a dll for it like datatables. In data tables also I have a problem the changing values are not updating fast. and there is no support for excel import/export function in dll. and i need it in my project . Is any one there who can guide me.