convert 10 digit number to hex string

How do I convert a 10 digit number to a hex string in c#?

Note: if the number is less than 10 digits, I want to add 开发者_如何学编程padding? example the number is 1, I want my string to be 0000000001.

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Use a standard format string:

string paddedHex = myNumber.ToString("x10");

See the x format specifier.