Cell validation DGV for mulitple table loaded dyanmically

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C#

Hello

Suppose there are 4 columns in first table say, id, ename, ph, addr, email. I need to validate each cell of DGV against a regular expression and also when user loads second table which contians say orderid, product, quantity. This table should be validated when user changes cell data in DGV. i.e tables are loaded dynamically to DGV the corresponding DGV cells needs to be validated. The tables are loaded to DGV using combo box selection.

And assume there are 10 tables in a database and each have different column name and different number of columns. One table will be loaded at a particular time. How to validate the cells of all these tables. Please help.

I hope understand my problem.

Thank you