Write down some of the small problems you encounter and tell yourself that some small details will be wrong.
Today is nothing to review the previous knowledge, with SQLite to do the database, found to modify the data when the time to respond, but also failed, but after a while will be good, good later is the same, kind of thought is their own statement has a problem, test several times, feel no problem, in to the online search error only found, Originally SQLite can not process data concurrently, I want to say is not the problem, a good habit can avoid all the small problems, the front of the solution is to release the DataReader, such as the release of the closure of the closure can be, this is to be, but they did not do so, This small problem tangled up with me one night, write down the blog to warn yourself, everything should be done from childhood, or out of the big problem wasted time will only be longer.