Making a List, Checking it Twice (Cool Ajax Sample App with ASP.NET 2.0 and Atlas)
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by Scott Guthrie
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Quick Tour of the Application

Basically, this to-do list application provides a simple Ajax-enabled interface to manage lists of items (note: the screenshots are done with FireFox – but obviously it works with IE as well): 

Figure 1

In addition to adding lists (which are done using an Ajax model – no refresh of the entire page), it also provides per-row editing of the values (also done in an Ajaxish way):

Figure 2

As well as sorting (note: also done in an Ajaxish way with no full page refresh) by any of the columns (just click on a column heading to set the sort-order):

Figure 3

Automatic paging support is enabled when you have more than 10 lists in your current filter (note: also done in an Ajaxish way):

Figure 4

In addition to adding/editing/sorting/paging/deleting lists, you can also drill into list items and add individual sub-items (just click the “view active items” link to drill into this):

Figure 5

Note that the number of active items is shown for each list in the far-right of the list manager screen (I also added code to disable the “delete” button on a list if there is 1 or more active items in the list):

Figure 6

When you are done with a list (and presumably its items), you can edit the list and checkbox it as being “done”.  This will remove the list from the “active” filter and hide it from the default view.  You can still go in and see it by changing the top-filter drop-down list to “done” (also done in an Ajaxish way):

Figure 7

Lastly, I also added support for viewing your current task-list using RSS.  Just click the “subscribe to your lists” link and you’ll see an RSS XML view of the data.

Figure 8

You can then add a subscription to this RSS feed in your favorite RSS reader.  You will then be able to easily track your current to-do list, and even see the active items that are in it (every time you refresh your RSS feeds, it will automatically update your to-do list with the latest information:

Figure 9


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User Comments

Title: ERROR PROBLEM   
Name: tahir ASlam
Date: 2008-07-22 12:38:42 PM
Comment:
Sirr
I have tried this code as was needed for my project but am having a problem specifially in the line


Lists.ListsDataTable listData=listAdapter.GetBy(true);

Plus i did not understand what this statment would do even if it would ve not thrown any error so kindly would you be able to explain tht to me please>?>>
WOuld really appreciate your help
Thank you
Title: Anthem URL   
Name: Mathias
Date: 2006-08-08 4:58:44 AM
Comment:
Entering an URL didn't work...
http://www.anthemdotnet.com/
Title: I prefer Anthem   
Name: Mathias
Date: 2006-08-08 4:57:56 AM
Comment:
I prefer Anthem over Atlas... Check the site above.
Title: MR   
Name: Uday Shetty
Date: 2006-08-07 5:01:13 AM
Comment:
since many days i was wondering how to start ajax. In fact I had gone through many examples, but i was not successful. Finally I came across this example and i am thru.

I am very thankful to Mr Scott for this remarkable article. I wanted a srating point, which I found here. Now I can work on this technology & improve my knowledge on this.

Uday Shetty
India
Title: mr   
Name: chandra
Date: 2006-07-25 2:08:58 AM
Comment:
xie2 ni, thank you, arigato
Title: 100% worth to read - Excellent   
Name: Suchi
Date: 2006-07-08 1:47:45 AM
Comment:
Very good explanation. Its really helped me to understanding basic things. Thanks for your time.
Title: Excellent!   
Name: Nigel Bird (England)
Date: 2006-07-06 7:54:21 AM
Comment:
Just to say well done, I found this article very usefull. Thanks for taking the time to post it.
It has been apprecieated.... By the way it works just fine!

much regards
Title: it dosent work   
Name: Ramzy N.Ebeid
Date: 2006-07-03 11:08:52 AM
Comment:
dear sir
i make the sample as you say and it dosent work
and i dont know why ????
can you help me please
there is no errors






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