Query and Filter DataTable using SELECT function in C# .Net

Refer this code

protected void Page_Load(object sender, EventArgs e)
{
    if (!this.IsPostBack)
    {
        DataTable dt = new DataTable();
        dt.Columns.AddRange(new DataColumn[3] { new DataColumn("Id", typeof(int)),
                        new DataColumn("Name", typeof(string)),
                        new DataColumn("Country",typeof(string)) });
        dt.Rows.Add(1, "John Hammond", "United States");
        dt.Rows.Add(2, "Mudassar Khan", "India");
        dt.Rows.Add(3, "Suzanne Mathews", "France");
        dt.Rows.Add(4, "Robert Schidner", "Russia");
        dt.Rows.Add(5, "Shaikh Azimuddin", "India");

        DataTable dt2 = new DataTable();
        dt2 = dt.Select().Where(p => (p["Country"]) == "India").CopyToDataTable();

    }
}