iReport Ultimate Guide - Nimsoft Library

iReport Ultimate GuideFigure 12-7The final report12.2 Using DatasetsThe data represented within charts is collected when the report is generated and stored within the associated dataset. Thedataset types are as follows:• Pie• Category• Time period• Time series• XY• XYZ• High low• ValueThink of a dataset as a table. Each dataset has different columns (fields). When a new record is inserted into the dataset, valuesare added to the fields.Figure 12-5, “The Chart Details window,” demonstrates the options that you can select in UR to indicate whenand how to acquire data for the dataset. Specifically, you can indicate whether and when the dataset should be emptied (ResetType and Reset Group settings) and when to append a new record to the dataset (Increment Type and Increment Group228