RunTime Error 13 ( type mismatch ) error is comming TextboxAfter_Update

hi,
i am using a textbox after update event to perform a formula but it saying an error RunTime Error 13 ( type mismatch ) error is comming

here is code

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Try this instead

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thank you sintek
its working really

Glad i could help. Thanks for rep point. . Remember to mark thread as solved.