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A List
report item is a data region that visualizes the bound data by producing a series of sections containing data visualizers such as a TextBox or Image arranged in a free-form layout fashion.
You can use a List
as a nested data region to display a collection of items within a single data record. For example, the List within Table demo uses the List
inside the Products Table to show the price history.
You could also use a List
to visualize your data in a grid-like fashion, as in the Multi-Column List Demo.
You can add a List
into a report by either double-click the corresponding item in the toolbox or drag-and-drop it to the parent container, such as a Table Cell.
The List
data region displays a series of sections, with each section representing a record from a bound dataset. The appearance of these sections can be controlled by the Grow Direction
property, which has the following options:
Column
– This option arranges the sections in a grid-like pattern, first filling the columns across the page from left to right, and then moving down to the next row. The Rows or Columns Count
property determines how many columns should appear on each row. The picture below shows the list with the Column
layout and three columns:
ColumnReverse
– Similar to Column
, this option also arranges sections in a grid-like pattern. However, columns are filled from right to left, and then the layout moves to the next row. The picture below shows the list with the ColumnReverse
layout and three columns:
Row
– This option arranges the sections in a simple top-to-bottom, left-to-right manner. The Rows or Columns Count
property determines how many rows should appear on each column. The picture below shows the list with the Row
layout and three rows:
RowReverse
– This option arranges the sections in a bottom-to-top, left-to-right manner. The Rows or Columns Count
property determines how many rows should appear on each column. The picture below shows the list with the RowReverse
layout and three rows:
In both Continuous Layout
and Fixed Layout
, the list content is moved to the next page when it reaches the limits of the page size
or the fixed size
of the list, respectively. You can find more information about the layout types on the Layout type page
The List
designer determines the content and style of the Section
that repeats for each bound data set record that passed through the data set filters and data region filters. For instance, the PriceHistory
list in the List within Table contains two textboxes that display the date period and price from ProductListPriceHistories
dataset records.
The general list configuration that consists of the Base Report Item properties and Data Region properties is combined with the Section
properties in the Properties panel.
The Section
configuration includes Common Style Properties, Visibility, Page Break, and the following specific properties.
The Consume White Space
flag indicates whether section instances should eliminate the whitespace if there is more available space than the content takes.
The Keep together
flag ensures that the section instance always appears on a single page if it fits.
The Action
property determines the interactive action that occurs when a report reader clicks within the space occupied by a section.
You can group data records within the List
so that its section appears once per a grouping value. It could be useful for displaying hierarchical data structures. You can find the example of this approach in the Nested Lists example. The group configuration includes the following properties.
The Group Name
is the group Id
.
The Group Expressions
is the collection of bound field references or more advanced expressions. Distinct values of group expressions generate grouping values
.
The Label
expression determines the text of a grouping value link in the Report Map. The Nested Lists example uses this property.
The Filters Editor allows you to filter out certain grouping values. For example, if we want to exclude the Nintendo
publisher from the Nested Lists example
output, then we can add the following filter for the Group
of the Publishers
list.
The New Section
flag determines whether each grouping value has its page numbering. Check the Global References documentation for more information.