prog.cs(2,7): error CS0246: The type or namespace name `DAL' could not be found. Are you missing an assembly reference?
prog.cs(3,17): error CS0234: The type or namespace name `AspNet' does not exist in the namespace `Microsoft'. Are you missing an assembly reference?
prog.cs(7,32): error CS0246: The type or namespace name `Hub' could not be found. Are you missing an assembly reference?
prog.cs(9,18): error CS0246: The type or namespace name `NotifierEntity' could not be found. Are you missing an assembly reference?
Compilation failed: 4 error(s), 0 warnings