Search Feature In ASP

Refer

Excel like autoFilter Feature in ASP.Net GridView Control

this is not i want, i want to retrieve data from a database table and show the data as hyperlinks in a page that is add hyperlinks on a page dynamically based on the data retrieved from database table in asp

    protected void Page_Load(object sender, EventArgs e)
    {
        string conString = ConfigurationManager.ConnectionStrings["constr"].ConnectionString;
        string query = "SELECT CustomerId, ContactName FROM Customers";
        SqlCommand cmd = new SqlCommand(query);
        using (SqlConnection con = new SqlConnection(conString))
        {
            using (SqlDataAdapter sda = new SqlDataAdapter())
            {
                cmd.Connection = con;
                sda.SelectCommand = cmd;
                using (DataSet ds = new DataSet())
                {
                    sda.Fill(ds);
                    GridView1.DataSource = ds;
                    GridView1.DataBind();
                }
            }
        }

}

    <asp:GridView ID="GridView1" runat="server" AutoGenerateColumns = "false">
        <Columns>
            <asp:HyperLinkField HeaderText = "Customers" DataTextField = "ContactName" DataNavigateUrlFields = "CustomerId" DataNavigateUrlFormatString = "~/Customers.aspx?Id={0}" />
        </Columns>
    </asp:GridView>