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How do we use nested switch statements in C#?
In C#, you can use one switch statement inside another switch statement. It is possible to have a switch as part of the statement sequence of an outer switch. Even if the case constants of the inner and outer switch contain common values, no conflicts will arise.
The following is the syntax.
switch(ch1) {
case 'A':
Console.WriteLine("This A is part of outer switch" );
switch(ch2) {
case 'A':
Console.WriteLine("This A is part of inner switch" );
break;
case 'B': /* inner B case code */
}
break;
case 'B': /* outer B case code */
}The following is an example of nested switch statements in C#.
switch (a) {
case 100:
Console.WriteLine("This is part of outer switch ");
switch (b) {
case 200:
Console.WriteLine("This is part of inner switch ");
break;
}
break;
}Let us see the complete example.
Example
using System;
namespace Demo {
class Program {
static void Main(string[] args) {
int a = 100;
int b = 200;
switch (a) {
case 100:
Console.WriteLine("This is part of outer switch ");
switch (b) {
case 200:
Console.WriteLine("This is part of inner switch ");
break;
}
break;
}
Console.WriteLine("Exact value of a is : {0}", a);
Console.WriteLine("Exact value of b is : {0}", b);
Console.ReadLine();
}
}
}Output
This is part of outer switch This is part of inner switch Exact value of a is : 100 Exact value of b is : 200
Updated on: 23-Jun-2020
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