Convert String To Integer

In order to convert string to integer, use the Int32.Parse().

The Parse method converts the string representation of a number to its
32-bit signed integer equivalent. If the string contains non-numeric
values, it throws an error.Similarly, you can also convert string to
other types using Boolean.Parse(), Double.Parse(), char.Parse() and so
on.

Example

string str = "12345";
int temp = Int32.Parse(str);