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TableSheet Design Mode

SpreadJS provides a design mode to create and edit the free header area and multiple headers in a tablesheet view. You can enter the design mode by accessing the Design Mode ribbon button from the TABLE SHEET DESIGN tab.

designer-tab-tsdesign-designmode

To add new rows before the selected row, click the row header “+” button. Similarly, click the row header “-” button to remove the selected row.

To apply the changes and exit the design mode, click the “Design Mode” ribbon button again.

Free Header Area

You can enter the editing state of a free header area by double-clicking the cell. The values can be edited at any time, and it supports styling as well as grouping columns.

Multiple Column Header

You can add a caption header for multiple columns by inputting the same value in every column cell and triggering auto-merge for the cells. The values can only be edited in the design mode and do not support styles. If the only row in the multiple header section is empty, it will use the default caption.

Grouping Layout Settings

You can switch between the grouping layout modes to optimize the presentation of your grouped data by selecting desired layouts from the ‘Group Layout’ dropdown available in the ‘Groups’ section of ‘TABLE SHEET DESIGN’ tab.

ts-grouplayout-designer

Once grouping layout is set to Outline and Condensed mode then we can also set the space to separate the groups by selecting the desired value in the ‘Group Spacing’ option.

ts-grouplayout-designer-space

SpreadJS Designer Component enables you to set the aggregation formula, caption, or other grouping fields using TableSheet panel available on the right-side of the tablesheet.

ts-grouplayout-designer-fields

To know how to apply multiple caption headers, free header areas, and other group layout settings in runtime, refer to TableSheet Views.

Trigger Formula

You can define the trigger formula on the Columns tab of the DataSource by selecting a column that needs a trigger formula and scrolling down to the Trigger Formula section.

trigger-designer

Select the relevant option from When, input a trigger formula in the Formula textbox, and check the “Any Field” checkbox to watch for any change in the fields triggering the formula. You can alternatively select individual fields from the drop down menu.

trigger-when