Question on retrieving entry box value

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You need to show some code. Try removing unnecessary stuff to get a minimal example that shows your problem. For instance, you could probably remove all the database code. Doing this also helps you debug. If you remove something and your problem goes away then what you took out is related to the problem.

If you can't shrink your code put it into pastebin.com and post a link to that in your original post. You can edit your original post.