Adding few columns to the dataset is affecting the numbers, it shows wrong values on the report

Nimisha Vernekar 126 Reputation points

My report consists of 3 tablixes and 2 datasets. After adding add two columns (month and month#) it changes all the values of the tablix. I dont understand why because I am not making any other change in the tablix, just adding these two columns is affecting the numbers. What could be the reason?

SQL Server Reporting Services
SQL Server Reporting Services
A SQL Server technology that supports the creation, management, and delivery of both traditional, paper-oriented reports and interactive, web-based reports.
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