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I do have an ajax form that contains a text area in my MVC project. The text area contains html string. I save this html string to database. On controller side, I use "ValidateInput(false)" for my method.

Everything is okay so far. I have no problem with Visual Studio. After I published the project, there occurs an error like the following. If I write a short html to text area, the method runs with no problem. However, if I write a long html string to text area, the page shows no response. I do not get an error or any result message.

I believe this is about IIS configuration since it works great in Visual Studio. What should I do to solve this problem?

Omer Harmansa
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  • As I mentioned before, it works without any problem in Visual Studio. I realize that I miss a part. The input that contains html string is not displayed on the page. I used input with type hidden since I don't have to show it on the page. – Omer Harmansa Aug 04 '17 at 12:01
  • i think [Dynamically displaying large amounts of text by partially displaying data in textarea](https://stackoverflow.com/questions/43689920/dynamically-displaying-large-amounts-of-text-by-partially-displaying-data-in-tex) will help – Ahmad Aug 04 '17 at 12:10
  • I realized that my application works fine in another IIS. Both servers are Windows Server 2012 R2 Standard. One of them is virtual, which is the problematic one. I tried to find the configuration difference between servers but I cannot find a solution. Any ideas about this? – Omer Harmansa Aug 04 '17 at 12:55
  • don't know about this, sorry – Ahmad Aug 04 '17 at 12:58

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