With Ajaxtoolkit dll version 4.1.7.607 whenever i try to upload a file in IE i get the following error message
Line: 4271
Error: Sys.ArgumentException: Cannot deserialize. The data does not correspond to valid JSON.
Parameter name: data
Line: 4271
Error: Sys.ArgumentException: Cannot deserialize. The data does not correspond to valid JSON.
Parameter name: data