overflowexception

Arithmetic operation resulted in an overflow. (Adding integers)

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问题 I can't understand this error: In this call to method SetVolume, Volume = 2055786000 and size = 93552000. Volume is an Integer property, and size is also Integer, as you can see. The class is a partial class of a dbml entity class, however this Volume property is NOT a column in the database, it exist only in the partial class, as a "business object property". View Detail shows: Data > Item : In order to evaluate an indexed property, the property must be qualified and the arguments must be

Why dividing int.MinValue by -1 threw OverflowException in unchecked context?

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int y = -2147483648; int z = unchecked(y / -1); The second line causes an OverflowException . Shouldn't unchecked prevent this? For example: int y = -2147483648; int z = unchecked(y * 2); doesn't cause an exception. This is not an exception that the C# compiler or the jitter have any control over. It is specific to Intel/AMD processors, the CPU generates a #DE trap (Divide Error) when the IDIV instruction fails. The operating system handles the processor trap and reflects it back into the process with a STATUS_INTEGER_OVERFLOW exception. The CLR dutifully translates it to a matching managed

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