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ASP Dynamic Data

Code Name 'Oryx' Web application scaffolding Easy to dynamically display pages based on the data model of the underlying databaseEasy to edit data for admin appsHelps in prototyping systems quicklyOut of the box simple to use or can be very customized. What is it?. Uses LINQ to SQL to build a D

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ASP Dynamic Data

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    1. Marc Ziss Z Consulting marc@zconsulting.com ASP.NET Dynamic Data

    2. Code Name 'Oryx' Web application scaffolding Easy to dynamically display pages based on the data model of the underlying database Easy to edit data for admin apps Helps in prototyping systems quickly Out of the box simple to use or can be very customized What is it?

    3. Uses LINQ to SQL to build a Data model. Uses DynamicData Controls to build editable screens. Builds in Paging, Sorting, Filtering, and Validation automatically. Dynamic Data fields for rendering individual data types. Allows a great deal of customization. What does it do ?

    4. Let's do it

    5. ASP.NET 3.5 Extensions CTP (http://www.asp.net/Downloads/3.5-extensions) Visual Studio 2008 What do I need to use it?

    6. Subsonic (free) Django (free but Python) ASP Runner Iron Speed Designer Products that are similar

    7. ASP.NET 3.5 Extensions CTP has a lot in it ASP.NET Dynamic Data ADO.NET Data Services (formerly codename Astoria) ASP.NET Model View Controller Applications ASP.NET AJAX Managing Browser History Using Server Controls ASP.NET Silverlight contols ADO.NET Entity Framework What comes in the box?

    8. ListTemplate.aspx - Grid to edit inline or call from a link to a detail page. DetailsTemplate.aspx – Edit one record on a page. ListDetailsTemplate – Both a grid and an a detail editor (default). Same Routing engine as MVC. Built in Dynamic Data Pages

    9. Let's look @ the templates + Web.config

    10. DynamicGridView DynamicDetailsView DynamicFormView DynamicListView Dynamic View Controls

    11. DynamicField - Automatically knows what mode Dynamic view is in (Edit, Item, Insert) for use with DynamicGridView DynamicDetailsView DynamicControl, DynamicEditControl, and DynamicInsertControl – Dynamic fields to be used with templated view controls Template columns in a DynamicGridView DynamicFormView DynamicListView Dynamic controls

    12. Customizations as easy as making a new partial class. Allows unique behavior for a particular table Trick out my grid

    13. DisplayFormat - formats for currency, dates, etc… DisplayColumn – Allows a text column other than the 2nd column in the fk to describe the ID Formatting by decorating

    14. Demo using formatting attributes

    15. [Range("UnitsInStock",10,50, ErrorMessage="Must be between {1} and {2}")] [Required("ContactName", ErrorMessage = "Contact name is required.")] [Regex(“ssn", "[0-9][a-z][0-9]", ErrorMessage = "Needs to be formatted as 'number letter number'")] Validation by decoration

    16. Demo using validation attributes

    17. LINQ to SQL classes are generated with hooks for events that are normally not implemented Lightweight event notification New feature new to .NET 3.5 called partial methods Like partial classes, but used to extend methods that may or may not be implemented in class instance (can be seen in Northwind.designer.cs) Validation by notification

    18. Demo validation using partial method

    19. By default Dynamic Data Fields try to match the rendering of a control with one of the built in Control Templates: Boolean.ascx Boolean_Edit.ascx DateTime.ascx DateTime_Edit.ascx Integer_Edit.ascx Decimal_Edit.ascx Many More Built in Control templates

    20. Simple .ascx files When code is modified all controls behavior will be affected globally. Can perform global validation here as well Example Calendar Replacing Built in Control templates

    21. Look @ the templates and modify one

    22. [RenderHint] enables you to build a custom control that can be explicitly linked to a field. Simple as validation Because it is a user control there can be multiple controls that can speak to each other. Can use Ajax Toolkit to use helpful extenders right out of the box Customized controls work regardless of which view is beieng used (i.e. DynamicGridView, DynamicListView, etc…) Customization by decoration

    23. Make our own custom control (courtesy of David Ebbo)

    24. Don’t have to work with a Page Template we can build stand alone pages that use dynamic data Requires a little more work. Need to make some manual changes…for now Look Ma; no PageTemplates!!!

    25. Newest template based control has dynamic counterpart. Has the benefits of a GridView, but allows full control of rendering. Interesting wizards to help setup the template in interesting ways. The ListView Rocks!!!

    26. Roll our own ListView Page

    27. David Ebbo: http://blogs.msdn.com/davidebb/archive/2007/12/12/dynamic-data-screencast-is-now-available.aspx Brad Abrams: http://blogs.msdn.com/brada/archive/2007/12/13/asp-net-3-5-extensions-all-about-dynamic-data.aspx David Hayden: http://davidhayden.com/blog/dave/ Scott Guthrie: http://weblogs.asp.net/scottgu/archive/2007/12/14/new-asp-net-dynamic-data-support.aspx Links

    28. Q +A

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