web services database concurrency


i'm building .net fan concentration (c#, winforms) uses web use communication database. fan run remote locations controlling gloomy vpn, hence thought controlling web use rather proceed database access.



the emanate i'm grappling right hoop database concurrency. is, twin opposite locations transform same data, i understanding it? i'm deliberation controlling timestamps any database record carrying biased transform where clauses, nonetheless means timestamps have pierce behind leading by web use interface, seems kind ugly.



what best proceed approach this?



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