Check out example codes for "C# if". It will help you in understanding the concepts better.

Code Example 1

string emotions;
emotions = Console.ReadLine();
//for emotions say the user input was either
//happy,sad and mad
if (emotions == "happy")
{
  Console.Write("You are happy");
}
else if (emotions == "sad")
{
    Console.Write("You are sad");
}
else if (emotions == "mad")
{
    Console.Write("You are mad");
}
else
{
    Console.Write("Unknown input");
}

Code Example 2

if (1 + 1 = 2)
{
    Console.WriteLine("1 + 1 = 2");
}
else
{
    Console.WriteLine("1 + 1 = 3");
}

Code Example 3

if (condition1)
{
  // block of code to be executed if condition1 is True
} 
else if (condition2) 
{
  // block of code to be executed if the condition1 is false and condition2 is True
} 
else
{
  // block of code to be executed if the condition1 is false and condition2 is False
}

Code Example 4

//Default If condition
                if (comEnvList.Items.Count > 0)
                {
                    comEnvList.SelectedIndex = 1;
                }
                else
                {
                    comEnvList.SelectedIndex = 0;
                }
                //IIf statement
                comEnvList.SelectedIndex = comEnvList.Items.Count > 0 ? 1 : 0;

Code Example 5

if (condition)
{
  print("Yes");
}
else
{
  print("No");
}

Code Example 6

if (condition)
{
  // block of code to be executed if the condition is True
} 
else if
{
  // block of code to be executed if the condition is True
}
else
{
  // block of code to be executed if none of the other conditions are True 
}

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