C#WEBAPI return JSON remove the backslash preceding the double quotation mark

String str= "{\" msgtype\ ": 1001,\" msgstring\ ": \" information \ "}";//Here is your JSON with a backslash
Httpresponsemessage result = new Httpresponsemessage {Content = new stringcontent (str, encoding.getencoding ("UTF-8"), "a Pplication/json ")};//here is to remove the backslash and put it back out, the JSON is only the double quotation marks left.            return result;
C#WEBAPI return JSON remove the backslash preceding the double quotation mark