HTTP Error 414. The request URL is too long. asp.net

Question

I\'m getting the error \"HTTP Error 414. The request URL is too long.\" From the following article, I understand that this is due to a very long query string:

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Answer 1

As described in this answer -> What is the maximum length of a URL in different browsers? The allowed length of a url depends on a combination of browser and server. Hence it's hard to say exactly how long the url can be. The answer recommends to stay below 2000 char in the url. I do not know why your querystring is so long. Can you shorten it? It's hard to give you any recommendations without knowing more about the solution and your query string.