How to get Sum for fields in tablix

hi all

i have report 25 rows, when gave filter in tablix on 1 of column, gets 15 rows.

now have expression column “count” should give total at bottom.  at total wrote expression =sum (count expression), giving total 25 rows rather 15 rows.

so how total 15 rows.

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royal ps

ps,

instead of giving filter on tablix if can have same filter on data set correct results.

let me know if have queires

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thanks, sandip please "mark answer" if resolves problem or "vote helpful" if find helpful.

SQL Server  >  SQL Server Reporting Services, Power View