passing and getting too large query string in asp.net

i integrating with an software, where they sending thei开发者_Python百科r document to my url with too large query string value. i.e. more than 75000 char for a parameter. i am in a R&D phase to check whether integration is works. i came to know that browsers will limit the query string. i want to get their document into to my server. i google but not get the answer. the url is in following fashion

Http:\\myurl?document=thierdocument in base64 encoded format

guide me to overcome the problem

This is not going to work. The query string is limited to a few thousand characters depending on the browser (i.e. 2083 characters for IE). Use a HTTP POST instead and put the document in binary format in the body of the request.

The main idea of a URL was to be a Uniform Resource Locator, not to pass all the data as part of the URL itself. You cannot work around the browser limits on URLs (neither should you arguably) - an alternative could be passing the document id in form of a number or Guid, then looking up that document to process as part of your page.

My suggestion is to move the data from query string, to post form.

My suggestion is to move the data from query string, to post form.

Why ?
one reason is the the url data, including your big string, is used to know if the page is going to cached by the browser or not. So I think that browser him self have a problem remeber this big string.

other reason is that this url is travel as it is, a big one, and is very possible to not reach the target.

The 2083 charatercs in IE I think that is refered only on URL, not on the included data.

You will have to do it using POST query.

Taken from What is the limit on QueryString / GET / URL parameters?

The spec for URL length does not dictate a minimum or maximum URL length, but implementation varies by browser. On Windows: Opera supports ~4050 characters, IE 4.0+ supports exactly 2083 characters, Netscape 3 -> 4.78 support up to 8192 characters before causing errors on shut-down, and Netscape 6 supports ~2000 before causing errors on start-up.