Οκτώβριος 2009 - Δημοσιεύσεις

IOC by BaseImpl
30 Οκτωβρίου 09 10:11 μμ | tolisss | 0 σχόλια   
In this post I am going to provide some why’s on DevExpress.ExpressApp.BaseImpl assembly. Why it is not signed? It is not strongly typed signed cause no module is referencing it. By doing so DevExpress encourages users to modify that assembly up to their needs. BaseImpl is only referenced at your front end. Most of Xafers i know have their own version of baseImpl . If you have your own version of baseimpl development of your domain classes would be much easier eg.instead of writing code to add a new property to a user though a controller , you could just describe/add that property to user class. Why persistent classes are there Xaf has been design to provide a an IOC approach to us. By that I mean that Xaf modules not use or know anything about persistent classes

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Merge UserModel with Application Model
22 Οκτωβρίου 09 06:23 μμ | tolisss | 0 σχόλια   
By Martin Praxmarer Tired of making all DetailView Layout and ListView Layout in the ModelEditor instead at Runtime where you immediatly see the results? The Solution is eXpands ModelDiffs Module. Setup: Create a new User and give it a name like “ModelAdmin”. Next Create a new Role “ModelAdmin Role” – and create a new Model Combine Permission. Set the Modifier to “Allow”, and set the Difference Name to the Name of your Application Model: Now assign the created User to this new Role. Last step is to open the User Difference Model, and set the Model to “Non Persistent” since we dont want to save User changes here. Thats it. Now you can start your Application, make changes in Detail- and ListViews, and when you exit the Application all changes are merged to the

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Yes Xaf can do it before lunch!!!
21 Οκτωβρίου 09 04:18 μμ | tolisss | 0 σχόλια   
Maybe not with the build in modules and not exactly before lunch but the difference between traditional programming and Xafing is really great. I am going to continue my posts on WorldCreator module and going to inform you about the progress up to here. New persistent objects have been designed and added to eXpand .BaseImpl assembly in order module consumers to be able to change that implementation The code that creates the Dynamic types and synchronies Xpo dictionary and model dictionary  at application startup is there as well Sample application installation created and can be download, so I can get some feedback on it from anyone will play with it Not Implemented Create Dynamic types without restarting the application Not tested for web  Cannot create

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Xaf Tip #10 New DevExpress Xaf module
21 Οκτωβρίου 09 01:45 πμ | tolisss | 0 σχόλια   
Today i ll reveal a big and mysterious secret. It seems that DevExpress has a new module that very few people know about it. I happen to notice it when i try to run feature center demo, cause I have recompile my sources I got a compilation error (have not recompile the secret hidden module ImageSourceBrowser.Win that's why) For you that do not have recompile your sources there is a new module waiting for you. What it does? Do not know :(. I tried searching but nothing so better you ask DevExpress about it Technorati Tags: Xaf Tips

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Sneak Peek: Dynamic Types with World Creator module
15 Οκτωβρίου 09 08:08 μμ | tolisss | 0 σχόλια   
Dynamic Types is one of the most wanted feature in any framework. Luckily me I met Emilio DabDoub of Signia software and one of the Coordinators of XERP project and he hire me to port an old code that he had that could provide that feature and much more into xaf . Also he agreed to publish that module into eXpand . Technorati Tags: WorldCreator , eXpand

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Saving settings to database instead of cookies
14 Οκτωβρίου 09 01:14 μμ | tolisss | 0 σχόλια   
  THE PROBLEM –> HTTP 400 Bad Request (The data is invalid) Xaf provides peristent of your web listview setting to cookies using Options | SaveListViewStateInCookies attribute in the Application Model. But due to the limit in request buffer size of IIS your web browser will receive a HTTP 400 Bad Request (The data is invalid) when you overcome it. DevExrpess suggest you either persist individual listviews in order you never overcome that limit or as Microsoft also suggested here to add a registry value to raize that limit. SOLUTION ModelDifference module provides the Options | SaveListViewStateInDataStore that can persist your listview settings to your user model and thus to the database and since your model is persistent also at database Technorati Tags:

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DxCore addin to drop database at design time
12 Οκτωβρίου 09 02:10 μμ | tolisss | 0 σχόλια   
When using ORM tools like XPO and even more when using application frameworks like Xaf since they create the database for you you often change your object so much that you have to drop the database in order your ORM to create it again so you do not have to deal with any kind of conflict. Tired of doing that I wrote a small DxCore addin and added to expand addins. To use it you have to configure it by telling which connection string will use from your application configuration file   and bind the dropDatabase command to any shortcut key you like eXpand is available at http://code.google.com/p/expandframework/ Technorati Tags: DxCore , Visual Studio plugins

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One way associations
08 Οκτωβρίου 09 08:14 μμ | tolisss | 0 σχόλια   
If you are tired of writing both parts of an association or if you want to add an association to an object that you do not own check eXpand ’s ProvidedAssociation attribute. Creating OneTo Many public   class Employee:BaseObject {     public Employee(Session session) : base (session)     {     }     private EmplyoeeContract _EmplyoeeContract;     [ProvidedAssociation]     [Association( "EmplyoeeContract-Employees" )]     public EmplyoeeContract EmplyoeeContract     {         get         {             return

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ModelDifference Module
07 Οκτωβρίου 09 12:40 μμ | tolisss | 0 σχόλια   
DictionaryDifferenceStore has been refactored and added the following features Localization Support Multiple application support Ability to change application model without restarting User,Role differences for web and win environments Persist web settings instead of cookies to the database Ability to work as a standalone module without  having to inherit eXpand.ExpressApp.Win.WinComponent/WebComponent as you saw in previous videos Martin Praxmarer provided great help in that refactoring and I am going to host him here to speak on some of the above subjects and I ll speak on the rest Here are the issues implemented / fixed issues see also: How to get eXpand latest version Technorati Tags: ModelDifference , eXpand

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How to get eXpand latest version
05 Οκτωβρίου 09 01:08 πμ | tolisss | 0 σχόλια   
I have some bad and some good news. The bad first, until we manage to have full continuous integration in order eXpand new features to be immediately available (nightly builds) we are not going to make any more releases. eXpand release policy will be the same as DevExpress that is we make a release exactly after DevExpress And now for the good. eXpand will provide build scripts that you can use them to compile the source code. The trunk of source code will contain the most current work. So you first download the code as shown at How to download eXpand source code from google subversion and along with the code a set of batch files will be downloaded. You just double click at buildall.bat and eXpand will be compiled and register to the gac. To unregister it use

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Free Microsoft Visual Studio, SQL Server, Windows Server and more
01 Οκτωβρίου 09 12:38 πμ | tolisss | 0 σχόλια   
  Your company builds web sites and web application on behalf of others. Your company currently has less than 10 employees. THEN THE FOLLOWING IS GIVEN FOR FREE TO YOU 3 licenses of Visual Studio 2008 Professional Edition 1 license of Expression Studio 3 (which includes Expression Blend, Sketchflow, and Web) 2 licenses of Expression Web 3 4 processor licenses of Windows Web Server 2008 R2 4 processor licenses of SQL Server 2008 Web Edition DotNetPanel control panel (enabling easy remote/hosted management of your servers)   VERY VERY COOL anoucement today by ScottGu as part of the WebsiteSpark program Technorati Tags: Free Microsoft , WebSitePark

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