Hi,

   I need to call a WebService for every 5 min which will  create a Log file based on the transactions of Inserts and Updates in the Database.

 IS there a way to call the Web Service for every specified time interval?

 I can understand this process is going to happen Asynchronously because the result should be returned for the Log file after every 5  min.

I know that we can achieve this with Timer control and updatepanel but i dont want to use any timercontrol or updatepanel in my page.

Please let me know How can i call Web service Asynchronously for specified time interval.

Regards,

Bose Thirumalai

Hi,

Create a windows service that performs this task.

Grz, KRis. 

You can create a window service. If you don't want to create a window service, you can use JQuery to achieve it.

Following script is an example for it. It sends the request to webservice  after every 1 sec.

<script src="jquery.js"></script>
<script>
$(document).ready(function()
{
   //ajaxTime.asmx is called every second to get time from server
   var refreshId = setInterval(function()
   {
     $('#timeval').load('ajaxTime.asmx?randval='+ Math.random());
   }, 1000);

   //stop the clock when this button is clicked
   $("#stop").click(function()
   {
     clearInterval(refreshId);
   });
});
</script>

Here is what you need to complete your solution; you can accomplish this entire task much easier using a Windows Service as recommended prior.  However, I do not recommend that you use any type of Timer regardless the type (System.Timers.Timer, System.Threading.Timer, etc,) to execute the process on an interval due to thread issues that could arise.

I have implemented a Windows Service within the last few months that does exactly what you are doing; run a periodic process on a set time interval.  A better method IMO is to use a 'RegisterWaitForSingleObject' method from the System.Threading namespace.

As defined in the MSDN:  "Registers a delegate to wait for a WaitHandle, specifying a 32-bit signed integer for the time-out in milliseconds."

This method is well laid out in the following Blog entry by Mebyon Kernow:

http://blogs.msdn.com/morgan/archive/2008/12/18/periodic-execution-in-net.aspx

Here is the MSDN Documentation:

http://msdn.microsoft.com/en-us/library/w9f75h7a.aspx

...and lastly, you might be saying "I don't know how to create and use a Windows Service in .NET!".  Well to get you going on that (there are quite easy by the way to get up and running), check out the following site:

Walkthrough: Creating a Windows Service Application in the Component Designer:

http://msdn.microsoft.com/en-us/library/zt39148a.aspx

That should be everything you need, hope this helps!

Hi Danish

 Thanks for your response.

 I think i have got some idea and i need to implement the same in different way.

 Anyway thanks for your reposnse.

Regards

Bose Thirumalai