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Problem by writing Table Data

 
Greenhorn
Posts: 4
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Hello dear community, currently I'm working on a program for me. I have done many things meanwhile in the topic SQLite and many problems myself, found and solved. Now I have a problem where my console tells me no problem and I have to admit that I can not find out what the error could be. If I click on the button "Register customer" the following code will result



The "insert" that is called looks like this



After I clicked, nothing happens. There are no error messages, but the data is not entered in the table! Where did I make a mistake?
It would be nice to find help for that.
 
Rancher
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Add some System.out.println calls into the code so you can which methods are called, and what values are being passed around.
 
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