Mvc Outputting Json With Backslashes ( Escape) Despite Many Attemps To Filter?

Apr 24, 2010

i have an asp.net controller that output Json as the results a section of it is here

returnString += string.Format(@"{{""filename"":""{0}"",""line"":[", file.Filename);

what i get returned is this:

"{"DPI":"66.8213457076566","width":"563.341067","editable":"True","pricecat":"6","numpages":"2","height":"400","page":[{"filename":"999_9_1.jpg","line":[]},{"filename":"999_9_2.jpg","line":[]}]]"

i have tried to return with the following methods:

return Json(returnString);
return Json(returnString.Replace("\","");

return Json will serialize my string to a jSon string, this i know but it likes to escape for some reason, how can i get rid of it? for info this is how i call it with jQuery:

$.ajax({
url:"/Products/LoadArtworkToJSon",
type:"POST",[code]...

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