Initializing help system before first use

Display an array in a table

The source file included in the demo folder imports a data file that contains a set of share categories and allocates an estimated return on investment for each. We can create an interface to be able to update this data. To follow best practice, the contents of an array can be displayed in a table.
  1. In the Palette > Components group, click and drag a Table element onto the INPUT DATA Column. Proceed through each page of the Table wizard before clicking Finish:
    • In the first wizard page, select which entities will be used as columns in the table. Select Shares_Return. You can click a selected entity to de-select. Entities are highlighted yellow when selected. Click NEXT.
      Tip The Shares_Return value displays the estimated return on investment calculated in the model.
    • In the CUSTOMIZE window, click the Editable check box for Expected Return on Investment.
    • Click FINISH.
  2. Optionally, set the Pagination and Page size Options for the new table. Select the new Table element and click the Attributes tab, then expand the Options pane to edit the attributes. Set:
    • Pagination to paged by selecting from the drop down.
    • Page size to 5.
  3. In the Palette >Actions group, click and drag an Execute Model element onto the Section on the artboard.
    A new Header element is added to the VDL view, containing an action group. The action group is labeled Execute Model. The Execute Model > Attribute > Main > Mode value is set to RUN.
  4. In the Palette > Components group, click and drag a Button element onto the INPUT DATA Column on the artboard.
  5. With the Button selected on the artboard, make the following changes:
    • In Attributes > Events, click Add Event.
    • In Attributes > Events > Event, select click
    • In Attributes > Events > Actions Group select actions.action_group_1
    • Edit Attributes > Main > Label to say RUN OPTIMIZATION.

For more on VDL Actions, see the later section VDL Actions which includes a section on Model Execution using VDL Actions.

Column Filtering

Optionally, you can enable column filters by selecting the Column Filters check box. When the table is published, the column can be filtered using a single range filter per column. The available filter range operators are: =, <, >, <=, >=, !=.
Note If column contains text strings, the range operators are treated as part of the search string.
Parent Topic Adding a Custom User Interface

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