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Hi, I have two questions:
1. Is it a normal behaviour that while uploading a file using the Telerik's upload control asynchronously all other ajax calls are blocked until the end of the whole operation? Or am I doing something wrong?
2. Are there any plans to support IE regarding Telerik's upload control?
Best regards
Tomek
1. Is it a normal behaviour that while uploading a file using the Telerik's upload control asynchronously all other ajax calls are blocked until the end of the whole operation? Or am I doing something wrong?
2. Are there any plans to support IE regarding Telerik's upload control?
Best regards
Tomek
4 Answers, 1 is accepted
0
Hi Tomasz,
Tsvetomir Tsonev
the Telerik team
Browsers limit the number of concurrent connections to each domain. The Upload by itself will not block other connections, but it's connections count towards this limit. When the limit is reached the requests have to wait each other out.
I've created a simple test project that issues AJAX requests while the upload is running. I did not notice any delays when testing under IIS Express and IIS. The Visual Studio development server was fine, but I couldn't test with larger files as it rejects them.
The Upload supports IE, but with some limitations that can be seen here - Supported browsers
Tsvetomir Tsonev
the Telerik team
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Tomas
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answered on 04 Jun 2012, 04:32 PM
This problem is not related with the browser limits. It is limitation of Telerik Upload MVC. I have tested Telerik MVC Upload on all browsers on IIS7 and can confirm that it blocks all other concurrent asynchronous calls to application until upload is finished. We have evaluated and even implemented the upload control in our application. Unfortunately will have to move to something better due to this limitation.
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Tomas
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answered on 05 Jun 2012, 08:45 AM
Ok, I am sorry for the post above. It seems the problem related not with Telerik Upload but with MVC Session locking itself. More readying
http://weblogs.asp.net/imranbaloch/archive/2010/07/10/concurrent-requests-in-asp-net-mvc.aspx
I have solved concurrent connection problem by adding attribute below on Controller
[SessionState(SessionStateBehavior.ReadOnly)]
http://weblogs.asp.net/imranbaloch/archive/2010/07/10/concurrent-requests-in-asp-net-mvc.aspx
I have solved concurrent connection problem by adding attribute below on Controller
[SessionState(SessionStateBehavior.ReadOnly)]
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Hi,
Tsvetomir Tsonev
the Telerik team
Great to know. Thanks for sharing the solution.
As a token of gratitude for your involvement your Telerik points have been updated.
Tsvetomir Tsonev
the Telerik team
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