29 lines
		
	
	
		
			983 B
		
	
	
	
		
			Markdown
		
	
	
	
	
	
		
		
			
		
	
	
			29 lines
		
	
	
		
			983 B
		
	
	
	
		
			Markdown
		
	
	
	
	
	
|   | --- | |||
|  | title: Select | |||
|  | --- | |||
|  | 
 | |||
|  | # Select
 | |||
|  | 
 | |||
|  | Projects data from the data set. | |||
|  | 
 | |||
|  | ### Signature
 | |||
|  | ```csharp | |||
|  | Enumerable.Select<TSource, TResult> Method (IEnumerable<TSource>, Func<TSource, TResult>) | |||
|  | ``` | |||
|  | 
 | |||
|  | ## 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   } | |||
|  | }; | |||
|  | 
 | |||
|  | var mangoQnt = fruits.Where(f => f.Name == "Mango").Select(f => f.Quantity).FirstOrDefault(); // 2 | |||
|  | 
 | |||
|  | var grapeColor = fruits.Where(f => f.Name == "Grape").Select(f => f.Color).FirstOrDefault(); // Purple | |||
|  | ``` |