1.13. C# nesting if statement

In C #, nesting if-else statement is legal, which means that you can use a if or else if use another within the statement if or else if statement.

1.13.1. Grammar #

Nesting in C # if syntax of the statement:

if( boolean_expression 1) { /* Execute when Boolean expression 1 is true */ if(boolean_expression 2) { /* Execute when Boolean expression 2 is true */ } } 

You can nest else if...else , mode and nesting if sentence is similar.

1.13.2. Example #

using System; namespace DecisionMaking { class Program { static void Main(string[] args) { //* Definition of Local Variables */ int a = 100; int b = 200; /* Check Boolean conditions */ if (a == 100) { /* If the condition is true, check the following conditions */ if (b == 200) { /* If the condition is true, output the following statement */ Console.WriteLine("The value of a is 100, and the value of b is 200"); } } Console.WriteLine("The exact value of a is {0}", a); Console.WriteLine("The exact value of b is {0}", b); Console.ReadLine(); } } } 

When the above code is compiled and executed, it produces the following results:

The value of a is 100, and the value of b is 200 The accurate value of a is 100 The accurate value of b is 200 