Performance problem consuming a webservice from a PDA

Archived from groups: microsoft.public.pocketpc (More info?)

On Wed, 26 May 2004 14:52:35 +0200, Frank D <Frank.D@NOSPAM> wrote:

> We have created a pocket pc application (.NET application) that gets the
> data (dataset) from a webservice ( runs on a Windows 2000 server).
>
> If we run the application on a wireless PDA, it takes about 7 seconds
> before
> the PDA gets the dataset (a small dataset with one table and 20
> records). We
> are sure that the time isn't lost within the webservice because the data
> is
> retrieved from the database (oracle database) witin the same second.
> Testing
> the method of the webservice in internet explorer, we get the data within
> the second. Note that If we run the pocketPC application on the emulator
> (from the .NET studio), the data is returned in +/- 4 seconds.
>
> Can someone give me a hint where the time is lost ? Is this the time
> needed
> for serializing the dataset ?
>
> How can I improve the performance ? Can some setting (IIS setting,
> security
> setting) reduce the time ? Is the datset causing the delay?
>
> Thanks in advance for any help
>
>
Frank,

My first thought is are you trying to get the data from a "Docked" Pocket
PC or one connected by Wifi, or?? The reason is passing data through
activesync will be slow.

You might also try the newsgroup microsoft.public.pocketpc.developer

Hope this helps,
Brad
--
Brad Isaac
editor, www.pocketpcaddict.com
developer, Achieve-IT! www.pocketpcaddict.com/Achieve.htm