Sample of LINQ

In the following sample we will search for the customer having greater than the specified amount and will show there name in the message box

using System;
using System.Data;
using System.Linq;
using System.Windows.Forms;

namespace SampleLinqApplication
{
public partial class CustomerDisplay : Form
{
public CustomerDisplay()
{
InitializeComponent();
}

private void findCustomer_Click(object sender, EventArgs e)
{
LinqSample sample = new LinqSample();
sample.FindCustomers();
}
}

class Customer
{
public string Name;
public string City;
public double Amount;
}

class LinqSample
{
public void FindCustomers()
{
Customer[] customers = {
new Customer { Name = "Anirudh", Amount = 9000, City = "Gurgaon" },
new Customer { Name = "Omkar Nath", Amount = 12202, City = "Nasik"},
new Customer { Name = "Peter", Amount = 123000, City = "Washington DC" },
new Customer { Name = "Madhav", Amount = 65553, City = "Bhopal"},
new Customer { Name = "Manpreet Singh", Amount = 789445, City = "Ludhiana"},
new Customer { Name = "Chin Yung", Amount = 5689, City = "Shanghai"}
};

var Query = from c in customers
where c.Amount > 10000
orderby c.Name
select c;

foreach (Customer cust in Query)
{
MessageBox.Show(cust.Name);
}
}
}
}