Check out example codes for "c sharp tryparse". It will help you in understanding the concepts better.

Code Example 1

// Any Parse() function has a TryParse function, which returns
// 'true' on a success and 'false' on a failure. On a succes
// it also saves the conerted value in the second parameter.
string value = "160"
int number;
bool success = Int32.TryParse(value, out number);
// success = true
// number = 160

Learn ReactJs, React Native from akashmittal.com