SELECT vb.Sno,
ISNULL(lb.Vehicle\_Number,vb.Vehicle\_Number) as Vehicle\_Number,
ISNULL(lb.Vehicle\_Booking\_Date,vb.Vehicle\_Booking\_Date) as Vehicle\_Booking\_Date,
ISNULL(lb.Time\_From,vb.Time\_From) as vb.Time\_To,
ISNULL(lb.Time\_To,vb.Time\_To) as vb.Time\_To,
ISNULL(lb.Vehicle\_Used\_By,vb.Vehicle\_Used\_By) as Vehicle\_Used\_By,
ISNULL(lb.Cost\_Code,vb.Cost\_Code) as Cost\_Code,
ISNULL(lb.Budget\_Line,vb.Budget\_Line) as Budget\_Line,
lb.KM\_Start,
lb.KM\_End
FROM mtblVehicle\_Booking vb
LEFT JOIN mtblLog\_Book lb
ON vb.Sno = lb.Sno
where vb.Vehicle\_Number = @Vehicle\_Number
AND DATEPART(MONTH,vb.Vehicle\_Booking\_Date) = MONTH(getdate())
showing error Incorrect syntax near '.'.