Weird ComboBox error

Neven Draskovic

Hey
I have a really weird problem. I use 2 ComboBox's that are data bound (each has it's own database, both databases are independent and have no similar columns). Everything is working perfectly until I try to close my application. When the Close() method is triggered it doesn't close the application, but rather cuts the connection to the data sources (Or at least I think so), both ComboBox's loose all their items and only on the second click does it close the application. If I run the application again, everything works properly. This is a really weird situation, I really never heard or seen something like this. Does anyone know what the problem is?

3 Replies

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Pravin Ghadge14y ago
Accepted answer
Hi,

Have u return Application.Exit(); on Form_closing event or on Close button.
If yes, replace with System.Environment.Exit(-1);
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Pravin Ghadge14y ago
Hi

refer foll link. it will give u good idea.

http://geekswithblogs.net/mtreadwell/archive/2004/06/06/6123.aspx
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Neven Draskovic14y ago
OK this fixed the problem. But I didn't even create a Form_closing event until now - so no code was inside it. I don't know does this matter, but I have multiple form's inside my project, they close normally, only the main form had this problem. Also, now that I added the System.Enviroment.Exit(-1) the closing process is slightly but noticeably slower. Do you know what caused this to happen, so I know what to avoid in the future.
Again thanks for the tip, it solved the problem.
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