6.4.3  Interacting with a Selection List

Walkthrough

Selection Lists allow you to gain tremendous insight into a data set. This example illustrates how you can use Selection Lists simultaneously for both input and output to offer end-users rapid exploratory capability.

1. Create a new Viewsheet based on the 'ProductSales' Worksheet.

2. Expand the 'SalesByDate' Data Block.

3. Drag the 'State' field from the Data Block onto the Viewsheet grid. This creates a new Selection List called 'State'.

4. Drag the 'Company' field from the Data Block onto the Viewsheet grid. This creates a new Selection List called 'Company'.

Make sure both lists are initially cleared.

5. Select 'AZ' and 'CA' from the 'State' Selection List.

Note that the 'Company' Selection List has now automatically marked certain companies using green boxes. These are the compa­nies that are compatible with your state selections (i.e., the compa­nies residing within AZ and CA). Other companies are grouped together under the heading 'Others'.

 

6. Expand the 'Others' node, and select 'Eastern Data'.

Note that this clears your previous selections in the 'State' Selec­tion List, because 'Eastern Data' is not compatible with either 'AZ' and 'CA'. The 'State' Selection List now automatically shows 'NY' with a green box, indicating that this state is compatible with the selection of 'Eastern Data'.

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