ADO Net Database ASP.Net Tutorial

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  4. Use Linq-to-Objects to query against NET collections using the LINQ syntax
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" 
    Inherits="Default" %>



    Linq-to-Objects


    
        
            
        
    



File: Default.aspx.cs
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Xml.Linq;
public partial class Default : System.Web.UI.Page
{
    protected void Button1_Click(object sender, EventArgs e)
    {
        int[] fiboNumbers = new int[] { 0, 1, 1, 2, 3, 5, 8, 13, 21, 34 };
        var data0 = from n in fiboNumbers
                   where n % 2 == 0
                   select n;
        Response.Write(data0.Count());
        Response.Write("
");
        var data1 = (from n in fiboNumbers
                    where n % 2 == 0 && n <10
                    select n).Sum();
        Response.Write(data1);
    }
}