how can i use "order by" with empty values

hi all.
how can i use "order by" with empty values
In SQL server, if record have empty value wills display firts, i need display empty value at last
please help me, thanks

use following query...

Select Value1, Value2,Value3 From table

Order By Case When Value1 is Null or Value1 = '' Then 1 Else 0 End, Value1