25 lines
		
	
	
		
			959 B
		
	
	
	
		
			Markdown
		
	
	
	
	
	
		
		
			
		
	
	
			25 lines
		
	
	
		
			959 B
		
	
	
	
		
			Markdown
		
	
	
	
	
	
|   | --- | |||
|  | title: Count | |||
|  | --- | |||
|  |  # Any | |||
|  |  Returns a count of elements in the sequence that satisfy a condition. | |||
|  |  ### Signature | |||
|  | ```csharp | |||
|  | Enumerable.Count<TSource> Method (IEnumerable<TSource>, Func<TSource, Boolean>) | |||
|  | ``` | |||
|  |  ## Example | |||
|  | ```csharp | |||
|  | var fruits = new List<Fruit>() { | |||
|  |     new Fruit() { Id = 1, Name = "Orange",     Color = "Orange", Quantity: 3   }, | |||
|  |     new Fruit() { Id = 2, Name = "Strawberry", Color = "Red",    Quantity: 12  }, | |||
|  |     new Fruit() { Id = 3, Name = "Grape",      Color = "Purple", Quantity: 25  }, | |||
|  |     new Fruit() { Id = 4, Name = "Pineapple",  Color = "Yellow", Quantity: 1   }, | |||
|  |     new Fruit() { Id = 5, Name = "Apple",      Color = "Red",    Quantity: 5   }, | |||
|  |     new Fruit() { Id = 6, Name = "Mango",      Color = "Yellow", Quantity: 2   } | |||
|  | }; | |||
|  |  // Count of Fruit with Color Red. | |||
|  | var yellowCount = fruits.Count(f => f.Color == "Red"); // 2 | |||
|  |  // Count of Fruit with Quantity > 2 | |||
|  | var quantityOverTwo = fruits.Count(f => f.Quantity > 2); // 4 | |||
|  | ``` |