Select dates between two dates using isnull function

Question

Dear All,

 

 

i have procedure like bellow

 

create proc usp_abc

@fromdate datetime,

@todate datetime

as

begin

select * from tbl 

 

whete 

 (CONVERT(datetime,(select exit_status_Date from dbo.tbl_param_employee_exit_track where employee_d=tbl_param_employee_master.ID),103) between @fromdate and @todate)

 

i want to fetch all records between two dates if dates are null also