//TryParse() Usage1:
int number;
bool result = Int32.TryParse(value, out number); // return bool value hint y/n
if (result)
{
//TODO
}
else
{
// TODO
}

//TryParse Usage2:
int start, end;
int.TryParse(minTimeTxt.Text, out start);
int.TryParse(maxTimeTxt.Text, out end);

// Parse Usage
try
{
start = int.Parse(minTimeTxt.Text);
end = int.Parse(maxTimeTxt.Text);
}
catch (Exception e)
{
throw e;
}

 

int -> string : ToString()

eg:

int x = 13;
x.ToString();