Asp. NET MVC3 receive Parameters learning notes

Test A

The code is as follows	Copy Code
Public ActionResult Index (string arg) { if (arg = = null) { return Content ("null"); } else if (arg = = "") { Return Content ("empty"); } Else { return Content (ARG); } }

Test Two

The code is as follows	Copy Code
Public ActionResult Index (int? arg) { if (arg = = null) { return Content ("null"); } Else { Return Content (Arg. ToString ()); } }

Note: The 2nd null should be the result of empty transformation.

Test Three

The code is as follows	Copy Code
Public actionresult Index (test test) { Return Content (Test.arg1 + "," + test.arg2); }