Tablix Group Properties Dialog Box, General (Report Builder 2.0)

Select General on the Tablix Group Properties dialog box to change name, group, and page break options for the group.

Options

Name
Type a case-sensitive name that begins with a letter and has no spaces. The name can include letters, numbers, or underscores (_). The name must be unique in the report. By default, a general name based on the group expression, such as OrderDate or SalesPerson, is assigned.
Add
Add a new group to the data region.
Delete
Delete the selected group.
Group on
Choose the field or expression on which to group the data. Click the Expression (fx) button to edit the expression.
And on
Type the next field or expression on which to group the data. Click the Expression (fx) button to edit the expression.