how to convert str to int in c# code example

Example 1: c# how to convert string to int

var myInt = int.Parse("123"); // this one throw exception if the argument is not a number
var successfullyParsed = int.TryParse("123", out convertedInt); //this returns true if the convertion has been successfully done (integer is stored in "convertedInt"), otherwise false.

Example 2: how to parse a string to an integer c#

string str = "10s";
 
    int x = Convert.ToInt32(str);
	Console.WriteLine(x);

Example 3: parsing string to int c#

string userInput = Console.ReadLine();
int convert;
Int32.TryParse(userInput, out convert);  // Converting String to int

Example 4: parsing string to int without format exception c#

using System; namespace ConvertStringtoNumber{    public class Program    {        public static void Main(string[] args)        {            string s1="10";            string s2="20";            int num1=0,num2=0;            Int32.TryParse(s1, out num1);            Int32.TryParse(s2, out num2);             int add=num1+num2;            Console.WriteLine("Addition of 10 and 20 is {0}",add.ToString());         }    }}