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77 lines
2.9 KiB
C#
77 lines
2.9 KiB
C#
using System;
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using System.Linq;
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using System.Collections.Generic;
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class LinqExercise25
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{
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static void Main(string[] args)
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{
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List<Item_mast> itemlist = new List<Item_mast>
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{
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new Item_mast { ItemId = 1, ItemDes = "Biscuit " },
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new Item_mast { ItemId = 2, ItemDes = "Chocolate" },
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new Item_mast { ItemId = 3, ItemDes = "Butter " },
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new Item_mast { ItemId = 4, ItemDes = "Brade " },
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new Item_mast { ItemId = 5, ItemDes = "Honey " }
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};
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List<Purchase> purchlist = new List<Purchase>
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{
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new Purchase { InvNo=100, ItemId = 3, PurQty = 800 },
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new Purchase { InvNo=101, ItemId = 2, PurQty = 650 },
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new Purchase { InvNo=102, ItemId = 3, PurQty = 900 },
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new Purchase { InvNo=103, ItemId = 4, PurQty = 700 },
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new Purchase { InvNo=104, ItemId = 3, PurQty = 900 },
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new Purchase { InvNo=105, ItemId = 4, PurQty = 650 },
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new Purchase { InvNo=106, ItemId = 1, PurQty = 458 }
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};
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Console.Write("\nLINQ : Generate an Inner Join between two data sets : ");
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Console.Write("\n--------------------------------------------------\n");
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Console.Write("Here is the Item_mast List : ");
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Console.Write("\n-------------------------\n");
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foreach (var item in itemlist)
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{
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Console.WriteLine(
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"Item Id: {0}, Description: {1}",
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item.ItemId,
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item.ItemDes);
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}
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Console.Write("\nHere is the Purchase List : ");
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Console.Write("\n--------------------------\n");
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foreach (var item in purchlist)
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{
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Console.WriteLine(
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"Invoice No: {0}, Item Id : {1}, Quantity : {2}",
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item.InvNo,
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item.ItemId,
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item.PurQty);
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}
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Console.Write("\nHere is the list after joining : \n\n");
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var innerJoin = from e in itemlist
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join d in purchlist on e.ItemId equals d.ItemId
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select new
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{
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itid = e.ItemId,
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itdes = e.ItemDes,
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prqty = d.PurQty
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};
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Console.WriteLine("Item ID\t\tItem Name\tPurchase Quantity");
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Console.WriteLine("-------------------------------------------------------");
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foreach (var data in innerJoin)
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{
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Console.WriteLine(data.itid + "\t\t" + data.itdes + "\t\t" + data.prqty);
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}
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Console.ReadLine();
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}
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}
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public class Item_mast
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{
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public int ItemId { get; set; }
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public string ItemDes { get; set; }
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}
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public class Purchase
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{
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public int InvNo { get; set; }
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public int ItemId { get; set; }
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public int PurQty { get; set; }
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} |