random number generation

[mannem]

please help me in generating a random number in the range 1 to 12 digits and should be less than 1000000000000 using C#

[Curtis Rutland]

please help me in generating a random number in the range 1 to 12 digits and should be less than 1000000000000 using C#

You should put a little effort into finding your own solution before you come to ask basic questions.

Have you perhaps heard of Google? If you had, you would have found your answer in the first result by searching for c# random.