As we all know,we can use
string aa=@\"E:\\dev_workspace1\\AccessCore\\WebRoot\\DataFile\"
in c# in order not to double the \'\\\'.
The really system-independent way is to do this:
String aa = "E:/dev_workspace1/AccessCore/WebRoot/DataFile";
String output = aa.replace('/', File.separatorChar);
It will give you "E:\dev_workspace1\AccessCore\WebRoot\DataFile" on Windows and "E:/dev_workspace1/AccessCore/WebRoot/DataFile" just about everywhere else.