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Thanks for the response. &nbsp;I am actually going to pass up a guid and create a file based on that so it should be unique.<br />
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a little more info:<br />
I am creating an excel document which could be quite large. &nbsp;My plan was to load the page which will kick off the process then immediately return to the user and display a &quot;loading&quot; message. &nbsp;The plan was to keep ping-ing my server using jQuery and search for the file using the name (guid) that I have. &nbsp;When it finds it, display a link for downloading. &nbsp;Make sense?
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Thanks for the response.  I am actually going to pass up a guid and create a file based on that so it should be unique.

a little more info:
I am creating an excel document which could be quite large.  My plan was to load the page which will kick off the process then immediately return to the user and display a "loading" message.  The plan was to keep ping-ing my server using jQuery and search for the file using the name (guid) that I have.  When it finds it, display a link for downloading.  Make sense?

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I have a long running process. &nbsp;My plan is to create a page which will execute the process which creates a file. &nbsp;The page will kick off a thread the return to the user and not wait for it to finish. &nbsp;The page will have some javascript that will keep pinging the server with a web method. &nbsp;When the file is created, the webservice will return the url of the file.<br />
<br />
1. How can I kick off the thread so that the file is created without waiting for a &nbsp;callback? &nbsp;Is there an easy way to kick it off then leave?<br />
<br />
2. Is this a good method? &nbsp;Should I do something else.
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I have a long running process.  My plan is to create a page which will execute the process which creates a file.  The page will kick off a thread the return to the user and not wait for it to finish.  The page will have some javascript that will keep pinging the server with a web method.  When the file is created, the webservice will return the url of the file.

1. How can I kick off the thread so that the file is created without waiting for a  callback?  Is there an easy way to kick it off then leave?

2. Is this a good method?  Should I do something else.

asp.net threading

C# is an object-oriented programming language created in conjunction with Microsoft’s .NET framework. Compilation is usually done into the Microsoft Intermediate Language (MSIL), which is then JIT-compiled to native code (and cached) during execution in the Common Language Runtime (CLR).

The successor to Active Server Pages, ASP.NET websites utilize the .NET framework to produce dynamic, data and content-driven web applications and services. ASP.NET code can be written using any .NET supported language. As of 2009, ASP.NET can also apply the Model-View-Controller (MVC) pattern to web applications

ASP.NET

The .NET Framework is not specific to any one programming language; rather, it includes a library of functions that allows developers to rapidly build applications. Several supported languages include C#, VB.NET, C++ or ASP.NET.