ASP.NET

OracleConnection conn = new OracleConnection();
            OracleCommand cmd = new OracleCommand();
            conn.ConnectionString = strConnection;
            conn.Open();

            cmd.Connection = conn;
            cmd.CommandText = "Select RID, CODE, CUSTOMER_NAME from ACTIVITY WHERE ID = :IDValue";
            //Add values to paramter
            cmd.Parameters.Add(new OracleParameter("IDValue", Request.QueryString["ID"]));

            OracleDataAdapter da = new OracleDataAdapter(cmd);
            cmd.CommandType = CommandType.Text;
            OracleDataReader dr = cmd.ExecuteReader();

            name.Text = dr["customer_name"].ToString();
            code.SelectedItem.Text = dr["code"].ToString();

            dr.Close();
            conn.Close();

private void cvactivitycode_ServerValidate(object source, ServerValidateEventArgs args)
        {
            args.IsValid = false;
            for (short I = 1; (I
                        <= (activitycode.Items.Count - 1)); I++)
            {
                if (activitycode.Items(I).Value)
                {
                    args.IsValid = true;
                    break;
                }

            }

        }

conn.ConnectionString = strConnection;
           conn.Open();

           OracleCommand cmd = new OracleCommand();
           cmd.Connection = conn;
           cmd.CommandText = "UPDATE BUYING_ACTIVITY SET CUSTOMER_SOURCE_CODE = :custsrc, CUSTOMER_NAME =:name, CUSTOMER_CITY = :city, CUSTOMER_STATE = :state WHERE _ACTIVITY_ID = ?";

           cmd.Parameters.Add(new OracleParameter(?));
           cmd.Parameters.Add(new OracleParameter("custsrc", custsrc));
           cmd.Parameters.Add(new OracleParameter("name", name));
           cmd.Parameters.Add(new OracleParameter("city", city));
           cmd.Parameters.Add(new OracleParameter("state", state));


           cmd.ExecuteNonQuery();

           conn.Close();

public static void RegisterRoutes(RouteCollection routes)
       {
           routes.IgnoreRoute("{resource}.axd/{*pathInfo}");

           routes.MapRoute(
               name: "Default",
               url: "{controller}/{action}/{id}",
               defaults: new { controller = "Home", action = "Index", id = UrlParameter.Optional }
           );
       }

public class Startup
    {
        public void Configuration(IAppBuilder app)
        {
            //app.MapSignalR();
            // For more information on how to configure your application, visit http://go.microsoft.com/fwlink/?LinkID=316888
        }
    }

public class HelpPageAreaRegistration : AreaRegistration
{
    public override string AreaName
    {
        get
        {
            return "HelpPage";
        }
    }

    public override void RegisterArea(AreaRegistrationContext context)
    {
        context.MapRoute(
            "HelpPage_Default",
            "Help/{action}/{apiId}",
            new { controller = "Help", action = "Index", apiId = UrlParameter.Optional });

        HelpPageConfig.Register(GlobalConfiguration.Configuration);
    }
}