The data type of the datatable column in. net,. netdatatable

The data type of the datatable column in. net,. netdatatable

Original webpage http://www.web-jia.com/view.php? A = 10

Today, I encountered a bug in development.
When I added data to the able, an error was reported when I passed a number greater than int32.
Use columns. add ("test", SqlDbType. BigInt. GetType () in datatable ())
I think that's one thing.
I use datatable. Rows. add (new object [] {2400000000}). This test bug confirms that int32 is too large.
I thought my method was also tested using production newrow for testing.
It has been tested for a long time. Many methods are incorrect.
Later, I saw the feeling on the Internet that their data type is incorrect. The type in. net is used.
Then the code is modified to columns. add ("test", Type. GetType ("System. Int64 "))
Test again
It turned out to be an error. I haven't been familiar with. net for a long time.

 

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