what is Datalist view in asp.net????

in .aspx Page


<asp:DataList ID="DataList1" runat="server" BackColor="White"
            BorderColor="#336666" BorderStyle="Double" BorderWidth="3px" CellPadding="4"
            GridLines="Horizontal" Width="277px">
            <FooterStyle BackColor="White" ForeColor="#333333" />
            <HeaderStyle BackColor="#336666" Font-Bold="True" ForeColor="White" />
            <ItemStyle BackColor="White" ForeColor="#333333" />
            <ItemTemplate>
              Id is : <asp:Label ID="Label1" runat="server" Text='<%# bind("id") %>'></asp:Label>
                <br />
              UserName is : <asp:Label ID="Label2" runat="server" Text='<%# bind("username") %>'></asp:Label>
                <br />
              Password is : <asp:Label ID="Label3" runat="server" Text='<%# bind("password") %>'></asp:Label>
            </ItemTemplate>
            <EditItemTemplate>
            Id is : <asp:Label ID="Label1" runat="server" Text='<%# bind("id") %>'></asp:Label>
                <br />
              UserName is :
                <asp:TextBox ID="TextBox1" runat="server" Text='<%# bind("username") %>'></asp:TextBox>
                <br />
              Password is :
            </ItemTemplate>
                <asp:TextBox ID="TextBox2" runat="server" Text='<%# bind("password") %>'></asp:TextBox>
            </EditItemTemplate>
            <SelectedItemStyle BackColor="#339966" Font-Bold="True" ForeColor="White" />
        </asp:DataList>

in .aspx.cs Page



using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;
using System.Data.SqlClient;


public partial class Default2 : System.Web.UI.Page
{
    SqlConnection con = new SqlConnection("Data Source=TOPS17;Initial Catalog=TestGridview;Integrated Security=True");
    protected void Page_Load(object sender, EventArgs e)
    {
        fill_datalist();


    }
    public void fill_datalist()
    {
        SqlDataAdapter da = new SqlDataAdapter("select * from tbl_reg",con);
        DataSet ds = new DataSet();
        da.Fill(ds);
        DataList1.DataSource = ds;
        DataList1.DataBind();
    
    }
}