Winfo link database addition, deletion, modification and query

CSDN Q & A 2022-01-15 01:46:07

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Add, delete, modify and query after connecting to the database , The database is stored in datagridview in . stay datagridview Add, delete, modify and check in . After adding, deleting and modifying, you can refresh to datagridview in .
There are no additions, deletions or modifications now , I don't know how to write it


thank
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