<asp:GridView ID="Studentlist" CssClass="Grid" runat="server"

            AutoGenerateColumns="False" CellPadding="4" ForeColor="#333333"

            GridLines="None" Width ="55%" >

            <AlternatingRowStyle BackColor="White" />

            <Columns>

                <asp:BoundField DataField="StudentName" HeaderText="StudentName" />

                <asp:BoundField DataField="Address" HeaderText="Address" />

                <asp:BoundField DataField="Phone" HeaderText="Phone" />

                <asp:BoundField DataField="JoingDate" HeaderText="JoingDate" />

            </Columns>

            <EditRowStyle BackColor="#7C6F57" />

            <FooterStyle BackColor="#1C5E55" Font-Bold="True" ForeColor="White" />

            <HeaderStyle BackColor="#1C5E55" Font-Bold="True" ForeColor="White" />

            <PagerStyle BackColor="#666666" ForeColor="White" HorizontalAlign="Center" />

            <RowStyle BackColor="#E3EAEB" />

            <SelectedRowStyle BackColor="#C5BBAF" Font-Bold="True" ForeColor="#333333" />

            <SortedAscendingCellStyle BackColor="#F8FAFA" />

            <SortedAscendingHeaderStyle BackColor="#246B61" />

            <SortedDescendingCellStyle BackColor="#D4DFE1" />

            <SortedDescendingHeaderStyle BackColor="#15524A" />

        </asp:GridView>

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.Data;

public partial class StoreDataTableValueinSession : System.Web.UI.Page

{

    protected void Page_Load(object sender, EventArgs e)

    {

        Session["StudentList"] = GetStudentList();

        Studentlist.DataSource = Session["StudentList"];

        Studentlist.DataBind();

    }

    static DataTable GetStudentList()

    {

        //Created virtual data Storage

        DataTable table = new DataTable();

        table.Columns.Add("StudentName", typeof(string));

        table.Columns.Add("Address", typeof(string));

        table.Columns.Add("Phone", typeof(string));

        table.Columns.Add("JoingDate", typeof(DateTime));

        // Now have created some row to fill the the datatable

        table.Rows.Add("Samima Nasim", "Dhaka", "01856587548", "11/5/2010");

        table.Rows.Add("Ahsanul Kabir", "Chittagong", "01856587548", "12/ 5/2204");

        table.Rows.Add("Nirub Ashasan", "Sylhet", "01856587544", "11/10/ 2008");

        table.Rows.Add("Zaman Ahmed", "Rajsahi", "01856587878", "11 /15/ 2003");

        table.Rows.Add("Habibur Rahman", "Barisal", "01856587548", "11 /5 / 2010");

        return table;

    }

}