filter by color and select name - CSharp LINQ

CSharp examples for LINQ:where

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Description

filter by color and select name

Demo Code


using System;//from  w  w w  .  ja v a  2 s  . co  m
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Data;
using System.Xml.Linq;

class MainClass
    {
        static void Main(string[] args)
        {
            // create the data
            IList<Item> datasource = createData();

            // filter based on a single characteristic
            IEnumerable<string> result1 = from e in datasource
                                          where e.Color == "green" 
                                          select e.Name;
            Console.WriteLine("Filter for green fruit");
            foreach (string str in result1)
            {
                Console.WriteLine("Item {0}", str);
            }

        }

        static IList<Item> createData()
        {
            return new List<Item>()
            {
                new Item("Oracle", "green", 7),
                new Item("MySQL", "MySQL", 10),
                new Item("C", "green", 4),
                new Item("CSS", "brown", 12),
                new Item("C", "green", 4),
                new Item("HTML", "brown", 12),
                new Item("XML", "red", 2),
                new Item("Javascript", "green", 4),
                new Item("fig", "brown", 12),
                new Item("SQL", "red", 2),
                new Item("C", "green", 4),
                new Item("SVG", "brown", 12),
                new Item("XML", "red", 2),
                new Item("XML", "red", 2),
                new Item("file", "yellow", 10),
                new Item("PLSQL", "red", 7)
            };
        }
    }
    class Item
    {
        public Item(string namearg, string colorarg, int lifearg)
        {
            Name = namearg;
            Color = colorarg;
            Level = lifearg;
        }
        public string Name { get; set;}
        public string Color { get; set;}
        public int Level { get; set;}
    }

Result


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