C# Base 2 To Decimal

To convert decimal numbers to base 2, I use:

int base2 = 开发者_运维知识库10;
Convert.ToString(base2, 2);

Output: 1010

But how can I do the opposite? i.e:

Input : 1010 Output : 10

Try:

Convert.ToInt32("101010", 2)

you can do Convert.ToInt32("1010",2);