Using ASP.NET AJAX with the Web ADF

re: Using ASP.NET AJAX with the Web ADF

David — Mon, 02 Apr 2007 22:07:40 GMT

We have noticed that if you place an OverView map control on the page and wire it up, all Ajax partial post-backs take a very long time to occur (15+ seconds). This only occurs with the OverView map control. Plus, the partial postbacks really begin to slow down anyway once you add a lot of controls, in our case ESRI ADF controls to the page outside of UpdatePanels.

Using ASP.NET AJAX with the Web ADF via ScriptManager

Community Blogs — Wed, 04 Apr 2007 04:01:27 GMT

On the ArcGIS server development blog you’ll find a much waited post; how to use ASP.NET AJAX and

Updating associated Web ADF controls

Bryan Baker — Wed, 04 Apr 2007 17:47:58 GMT

A follow-up to my post: in the AJAX partial postback, you may need to tell other Web ADF controls to synch up with the Map. For instance, if you have an OverviewMap control that displays the Map's extent, you need to refresh the OverviewMap in the AJAX partial postback. This is easy to do: use the .Refresh command, and then copy the control's CallbackResults to the Map (the first line below is in the DropDownList2_SelectedIndexChanged method above):

Map1.Extent = new_extent

OverviewMap1.Refresh()

Map1.CallbackResults.CopyFrom(OverviewMap1.CallbackResults)

The same approach would apply to a Toc (table of contents) control.

re: Using ASP.NET AJAX with the Web ADF

Chuck Tilly — Wed, 04 Apr 2007 21:05:03 GMT

This is EXCELLENT material. Thanks Bryan for writing this up. We need more stuff like this, please. Now what I would really like to see is how to use the Map control as a trigger to update something in an Update Panel. Example: a user selects features on a map and a grid in an update panel gets updated with the new corresponding data. Thanks again Bryan.

re: Using ASP.NET AJAX with the Web ADF

jxn — Thu, 05 Apr 2007 15:41:44 GMT

Im with Chuck- Its great to see MS Ajax components updating the map, but to really use MS Ajax we need to know how to make the map control and other ADF controls update MS Ajax controls also. This is a great start though! Very interesting about the Overview Map causing problems- that seems like a big issue! Thank you Bryan!

re: Using ASP.NET AJAX with the Web ADF

AbdulMannan — Sun, 08 Apr 2007 05:23:57 GMT

This is really cool!!....Opens Up many gates of such developments!!

re: Using ASP.NET AJAX with the Web ADF

MichalGasparovic — Thu, 12 Apr 2007 01:48:04 GMT

thank you for this tip. very interesting.

re: Using ASP.NET AJAX with the Web ADF

Scott — Thu, 12 Apr 2007 05:58:57 GMT

This is a great sample application and is really appreciated. Please showcase more material that demonstrations the use of the Web.ADF with AJAX or how about working with the ADF floating panel. Thank you Bryan.

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