Maintaining State in Reporting Services 2008
Sometimes, more advanced reporting needs may require maintaining state using custom code. Recently I had to implement a rather involved report consisting of two sections: a detail section that used a recursive sum, Sum(Fields!SomeField.Value, , True), and a summary section with additional calculations which would reference some of the aggregated values in the detail section. Since Reporting Services is not Excel, you cannot reference arbitrary…
Read article

