How to Calculate specific cell (with expr) total in SSRS ???

i use sql server 2012 and visual studio 2010.I want to just calculate only two cells (where it's a red text in a picture) 1. win total its' sum all win. 2. Bet Amount win it's total amount money of win. win it's bit (False/True), so for get count i use this code:[b] =Sum(IIF(Fields!Win.Value, 1, 0)).ToString() [/b]Bet Amount Win it's money cell and it's sum from this code:[b] =SUM (fields!BetAmount.Value * IIF(Fields!Win.Value, 1, 0))[/b]if you can tell me who to do it, i try make a sum col in a date line (where it's dark grey line, under a blue) [img]http://i.imgur.com/5AN0bwx.jpg[/img]