Convert.Toint32(Console.ReadLine()) does not working

Question

showing that it doesn't exists

Answer 1

Do you have it like this?

int test;
test = Convert.ToInt32(Console.ReadLine());

And don't forget that C# is case sensitive.

Answer 2

namespace SoloLearn
{
class Program de
{
int a,b,c;
void add()
{
Console.WriteLine("input the 1st value");
a=Convert.ToInt32(Console.ReadLine());
Console.WriteLine("input the 2nd value");
b=Convert.ToInt32(Console.ReadLine());
c =a*b;
Console.WriteLine("result ="+ c);
}
static void Main(string[] args)

{
Program q= new Program();
q.add();
Console.ReadLine();
}
}
}
showing an unhanded exception

Answer 3

int.TryParse(Console.ReadLine(), out a); would prevent the program from (sometimes) crashing when the user inputs a non-integer value.

Answer 4

this code just don't ask for the second input

Answer 5

I'll show you