How to add value in column of list view

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VS2008

C#

Visual-Studio

WPF

My applcation is in WPF.i want to add value in each column of list view.I have write code
which add the same value in all row.
i want to add different value in different column.
plz help me..
thanks
i am putting my code..
istview.xaml

<Grid>
       <Grid.ColumnDefinitions>
           <ColumnDefinition Width="23*" />
           <ColumnDefinition Width="255*" />
           <ColumnDefinition Width="0*" />
       </Grid.ColumnDefinitions>
       <ListView Height="114" Margin="10,10,9,0" Name="lstView" VerticalAlignment="Top" Grid.ColumnSpan="2">
           <ListView.View>
               <GridView>
                   <GridViewColumn Header="ID" Width="40"></GridViewColumn>
                   <GridViewColumn Header="User Name" Width="100"></GridViewColumn>
               </GridView>
           </ListView.View>
       </ListView>
       <Label Margin="59,0,76,70" Name="label1" Height="28" VerticalAlignment="Bottom" Grid.Column="1"></Label>
   </Grid>

listview.xaml.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
namespace listview
{
    /// <summary>
    /// Interaction logic for Window1.xaml
    /// </summary>
    public partial class Window1 : Window
    {
        public Window1()
        {
            InitializeComponent();
        }
        private void Window_Loaded(object sender, RoutedEventArgs e)
        {
            lstView.Items.Add("vishal");
          // lstView.
        }
    }
}