An Extended Look at the Profile Object - Part 2
page 4 of 4
by Bilal Haidar
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In this second part of the series of article on the Profile object, we demonstrated the two ways of using our custom objects as part of the Profile object.

In the first, we added a property whose type is the custom object we have; in the second, we used the inherit field in the Profile configuration section.

In Part 3 of this series, we will look into more advanced features of the Profile object, mainly, how to manage the Web application profiles by using the different available methods in the System.Web.Profile namespace.

Happy Dot Netting!

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User Comments

Title: Property IsDirty when inheriting ProfileBase (2nd option)   
Name: AiM
Date: 2006-07-20 11:33:35 AM
I tried both versions, when I set the configuration in the config file it works ok, but when I implement the class that inherits from ProfileBase the changes aren't saved. I overrided the Save method just to check for the value of the IsDirty property, and it is false.
How this should work, are there other details for the inherited option I don't know?
Title: Re:   
Name: Bilal Haidar [MVP]
Date: 2005-12-01 5:21:55 AM
You should wait for Part3 of this series to know everything about the database and etc...

Title: Where is Database ?   
Name: Zeeshan Ali
Date: 2005-12-01 5:17:02 AM
You didn't specify the database to which the profile will persist. Where the Peofile data is being persist ?? Cookies ? or What ?
Title: Win app   
Name: Anders H
Date: 2005-11-30 4:44:45 PM
If you want to use this example, in a web app,you add data and work with it in a webb app, then you want to get this data in a windows service app for example mailing things based on the items in this profile data, then you need to get to this data from a win app, how do you do that???
Title: Re:   
Name: Bilal Haidar [MVP]
Date: 2005-11-30 1:29:12 AM
Well, the Profile object has its own HttpModule events. The way it works is as follows:
At runtime, the configuration section of the profile object in the Web.config will be tranformed into a strongly typed object which is then added to the HttpContext.
At the beginning of the request, the profile data are loaded from database, then at the end of the request, if the data is dirty (has been changed) it will be saved back. Saving data at every request is a matter of a Flag you can configure.
Hope that answers you well.

Title: One of the more useful articles I've seen in a long time!   
Name: Colin
Date: 2005-11-29 6:12:03 PM
I just learned how to create a custom Role- and Membership- Provider and I saw no mention of this class anywhere! I wish I'd known because I spent a long time digging for something like this, and ended up coming up with a custom implementation using an HttpModule and Session.

Have you discovered in your study of the class what the default persistance mechanism is the profile? Is it stored in the user's context or persisited, like forms authentication info, in a secured cookie or something?
Title: Re:   
Name: Bilal Haidar [MVP]
Date: 2005-11-29 1:51:35 AM
Hi to all:
Profile object can be thought of as advanced session object. In windows applications, no need for that concept, so it is ot available there.
Thanks for the comments.

Title: good article   
Name: DotNETKans
Date: 2005-11-29 12:21:16 AM
hi Bilal,

Good article mate. Keep it up.
Title: From a win32 app   
Name: Anders H
Date: 2005-11-28 12:39:01 PM
How can i access this from an win32 application, it complain on profile object others than ordinary type eg. string, int etc....??

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