Difference between type cast and Convert.int32 ?

Can any one explain me the difference between the below 2 statements.

status = (int)InvoiceStatus.VALID;

status = Convert.ToInt32(InvoiceStatus.VALID);

Which is better and faster? And when should I use which?
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Leon TealePenetration TesterCommented:
They pretty much do the same thing.  If you're just changing data from one form to another for use, such as changing a "45" from a varchar to an int, use CAST; Convert offers more options than cast which may lead to more processing time.  And by this, I of course mean MINIMAL, not noticeable processing time.  Convert allows you to add a format style to your convertion, if you want it to.  For example, if you're changing a date to a string, you can say which part of the date to return instead of returning the whole thing and making .NET format it.
Casting will throw an exception if it fails or the input is null. The Convert class will return 0 if the input is null.
difference will depend on the type of variable2.

For instance, if InvoiceStatus.VALID has a value which is a string reference to
"23" then Convert.ToInt32 will parse the int. However, you can't *cast*
from a string to an int.
Anurag ThakurTechnical ManagerCommented:
go through the following link - good discussion for cast vs convert

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GouthamAnandAuthor Commented:
Thank you.
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