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HomeHomeArchived Discus...Archived Discus...Developing Under Previous Versions of .NETDeveloping Under Previous Versions of .NETASP.Net 2.0ASP.Net 2.0How to Send Email AsynchronouslyHow to Send Email Asynchronously
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9/18/2007 3:34 AM
 
AliCommerce

www.AliCommerce.com
Joined: 8/8/2007
Posts: 238

Hi there,

I used to send emails using SmtpClient.Send and it worked fine. Today I tried to send email using client.SendAsync(), but I get the following error.  Looks like I need set Async attribute of web page.  Although manually adding it to Default.aspx does solved the issue, I just couldn't figure out how to do it programmatically.  Can anybody help me?

thanks  in advance,

Frank

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Asynchronous operations are not allowed in this context. Page starting an asynchronous operation has to have the Async attribute set to true and an asynchronous operation can only be started on a page prior to PreRenderComplete event.

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.InvalidOperationException: Asynchronous operations are not allowed in this context. Page starting an asynchronous operation has to have the Async attribute set to true and an asynchronous operation can only be started on a page prior to PreRenderComplete event.

Frank Wang
 
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9/20/2007 5:30 PM
 
Sebastian Leupold


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Sebastian Leupold's Avatar

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Sebastian Leupold's Avatar

www.dnnwerk.de
Joined: 3/8/2004
Posts: 46212

have a look at SendBulkMail.aspx, you need to create a new thread, that can execute the async send function.

Cheers from Germany,
Sebastian Leupold

dnnWerk - The DotNetNuke Experts   German Spoken DotNetNuke User Group

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9/21/2007 6:32 PM
 
AliCommerce

www.AliCommerce.com
Joined: 8/8/2007
Posts: 238

leupold wrote

have a look at SendBulkMail.aspx, you need to create a new thread, that can execute the async send function.

 

Thanks again for help. Will try it out.

Frank Wang
 
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