CODE EXAMPLE FOR JAVASCRIPT

jquery save method

 [WebMethod]
    public static string InsertMethod(string username, string password)
    {
        SqlConnection con = new SqlConnection();
        con.ConnectionString = ConfigurationManager.ConnectionStrings["con"].ConnectionString;
        con.Open();
        SqlCommand cmd = new SqlCommand("insert jquerydata values('" + username + "','" + password + "'", con);
        cmd.CommandType = CommandType.Text;
        cmd.ExecuteNonQuery();
        cmd.Dispose();
        con.Close();
        return "true";

    }