Check out example codes for "can you have multiple statement in a case c#". It will help you in understanding the concepts better.

Code Example 1

switch (value)
{
    case 1: case 2: case 3:          
        // Do Something
        break;
    case 4: case 5: case 6: 
        // Do Something
        break;
    default:
        // Do Something
        break;
}

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