c # winform simple implementation of additions and deletions to change search Mysql database statement

Realize additions and deletions to the database through simple SQL statements to change search.

Window as follows:

Define open and close connection function, convenience each call:

Increase instruction:

Delete command:

Modification instructions:

Find instructions:

Table situation:

 

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Origin www.cnblogs.com/moon-boke/p/11413648.html