ReadOnlyPivotComponent
The ReadOnlyPivotComponent is a Blazor component designed to render a read-only pivot table. It provides functionality for displaying pivoted data in a tabular format with support for sorting, styling, and totals visibility.
Features
- Dynamic Data Rendering: Automatically updates the table when the
PivotData parameter changes.
- Sorting: Supports sorting by columns.
- Custom Styling: Allows custom cell and column styling.
- Totals Visibility: Optionally displays totals for the pivoted data.
Parameters
| Parameter |
Type |
Default Value |
Description |
PivotData |
IPivotedData? |
null |
The pivoted data to display. |
Rows |
int |
35 |
The number of rows to display per page. |
ShowTotals |
bool |
false |
Determines whether to display totals for the pivoted data. |
Properties
| Property |
Type |
Description |
_pivotRows |
PivotRow[] |
The rows of the pivot table generated from the PivotData. |
_totals |
MinMaxCache |
Cache for storing min and max values for columns. |
_shadowHeaders |
Dictionary<string, int> |
Stores column positions for the pivoted data. |
SortMode |
TableControl.SortModeType |
The current sort mode for the table. |
SortColumn |
string? |
The column currently being sorted. |
VisibleTotals |
IMinMaxCache? |
The totals to display if ShowTotals is enabled. |
Methods
| Method |
Description |
GetColumnDescriptorInternal |
Retrieves the column descriptor for a given column name. |
GetFieldDescriptorInternal |
Retrieves the field descriptor for a given column name. |
GetCellClassCallback |
Callback to determine the CSS class for a specific cell. |
Behavior
- Dynamic Updates: The component updates its state and re-renders when the
PivotData parameter changes.
- Column Styling: Automatically applies a "nowrap" class to columns based on their names and lengths.
- Totals Handling: Updates totals when the
PivotData changes and displays them if ShowTotals is enabled.
Usage
Example: Basic Usage
