Blog: Posts from June, 2010

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Posts from June, 2010
Tuesday, June 29, 2010PrintSubscribe
Refreshing Master When Detail Changed

Q. Is there an easy way to force the Master View at the top of a page to automatically refresh (from the server) when an item is edited in the child/detail view at the bottom of the page ?

A. The example below is referring to the Northwind sample application.

Suppose you want to refresh a list of Suppliers when the detail Products view has been changed on page ~/Pages/Suppliers.aspx.

Here is the Suppliers page:


If the products shipped by the selected supplier have changed (inserted, updated, or deleted) then you want the list of suppliers to refresh its content.

Open the project in Designer and assign ProductsBusinessRules handler to Products data controller. If you generate the project then business rules class empty shall ~\App_Code\Rules\ProductsBusinessRules.cs file will be created for you. If you are using VB as a programming language of the generated application then the business rules class will be coded in VB.NET.

Here is the sample business rules class written in C#, which will do the trick of refresh the master:

using System;
using System.Data;
using System.Collections.Generic;
using System.Linq;
using MyCompany.Data;

namespace MyCompany.Rules
    public partial class ProductsBusinessRules : MyCompany.Data.BusinessRules
        [ControllerAction("Products", "Update", ActionPhase.After)]
        [ControllerAction("Products", "Insert", ActionPhase.After)]
        [ControllerAction("Products", "Delete", ActionPhase.After)]
        public void DoRefreshMaster(string companyName, int supplierID)
            if (Result.Errors.Count == 0)
                    "this.set_lastCommandName(null);" + // the action state machine is reset
                    "this.goToView('grid1');" + // show 'grid1'
                    "var dv=Web.DataView.find('view1Extender');" + // find specific master data view
                    "if(dv)dv.refresh();"); // if the view is found then ask it to refresh

Note that parameters in DoRefreshMaster are not playing any role here. You could use the field values to perform selective operations in the client when needed.

The view we are looking to refresh is view1Extender. This extender is available on page ~/App_Code/Pages/Suppliers.aspx.

Here is the page markup as created by code generator:

<%@ Page Language="C#" MasterPageFile="~/Main.master" AutoEventWireup="true" CodeFile="Suppliers.aspx.cs"
    Inherits="Pages_Suppliers" Title="Suppliers" %>

<asp:Content ID="Content1" ContentPlaceHolderID="PageHeaderContentPlaceHolder" runat="Server">
<asp:Content ID="Content2" ContentPlaceHolderID="PageContentPlaceHolder" runat="Server">
    <div factory:flow="NewRow" xmlns:factory="urn:codeontime:app-factory">
        <div id="view1" runat="server">
        <aquarium:DataViewExtender ID="view1Extender" runat="server" TargetControlID="view1"
            Controller="Suppliers" View="grid1" ShowInSummary="True" />
    <div factory:flow="NewRow" style="padding-top: 8px" xmlns:factory="urn:codeontime:app-factory">
        <div factory:activator="Tab|Products">
            <div id="view2" runat="server">
            <aquarium:DataViewExtender ID="view2Extender" runat="server" TargetControlID="view2"
                Controller="Products" View="grid1" FilterSource="view1Extender" FilterFields="SupplierID"
                PageSize="5" AutoHide="Container" />
<asp:Content ID="Content3" ContentPlaceHolderID="SideBarPlaceHolder" runat="Server">
    <div class="TaskBox">
        <div class="Inner">
            <div class="Header">
            <div class="Value">
                This page allows suppliers management.</div>
Tuesday, June 22, 2010PrintSubscribe
Using My Own Folder For Code On Time Files

Q. How can I change the working directory for a project generated by CodeOnTime?


Code OnTime Generator uses [My Documents]\Code OnTime folder to install the code generation library templates. The same folder is used to create code generation projects.

Download the file at /documents/

The archive contains CodeOnTime.exe.config file. The contents of the file are listed below:

<?xml version="1.0" encoding="utf-8" ?>
            <setting name="MyDocuments" serializeAs="String">
                <value>c:\Code OnTime Root</value>

Unzip and copy the attached file to the [Program Files]\Code OnTime LLC\Code OnTime Generator folder.

Create a folder on your local hard drive and replace "c:\Code OnTime Root" in the CodeOnTime.exe.config with the path to your folder. The generator will start using this folder instead of [My Documents], when you restart the program.

Thursday, June 3, 2010PrintSubscribe
Hiding Lookup Details Shortcut

Q. How can I hide the "arrow in circle" icon in a grid, create form and edit form, so that, a user cannot go to the detail page. Ideally, I would like to see this controlled by a role. How can I accomplish this with Code OnTime Designer?

Bill W


There is no role-based control for the lookup details shortcut (object reference) icon. Two object references are visible in the picture below.


You can “hide” the shortcuts as follows.

1. Create file StyleSheet1.css under ~/App_Themes/[Namespace] folder of your project where [Namespace] is the name of the folder with file. The name of the file is arbitrary.

2. Open the CSS file in Visual Studio or Notepad and enter the following text:

This will ensure that all object references in your application are hidden.

You can also hide object references on specific pages only.

For example, if you have a page ~/Pages/Products.aspx then you can hide object references on this page only if you CSS rule is defined as follows:

.pages_products_aspx span.ObjectRef