Assign data sources to Drop-down box
To use the Drop-down box you have to assign a relevant data source to the component.
The component requires an Event, BigMemory, CSV, XML, ARIS Table or JDBC data source.
Procedure
1. Create or open a dashboard in MashZone NextGen Dashboard. 2. Click an inserted Drop-down box component. The relevant properties dialog is displayed.
3. Click the 
Assign Data icon to edit the data source assignment. The Edit Data Souce dialog will be displayed. Here you can select a data source and create dynamic Input Parameters. The Data Flow box shows an overview of the data source configuration.
4. Optionally you can create input parameters.
You can define dynamical and reusable input parameters for XML data sources, RAQL queries and ARIS table, see
Create Input Parameters.
5. Select a data source operator in the Add a data source area and specify your settings.
a. Assign Event data source.
b. Assign BigMemory data source.
c. Assign CSV data source.
d. Assign XML data source.
e. Assign ARIS Table data source.
f. Assign JDBC data source.
6. In addition to the data source operator you can add further operators to transform the source data.
a. Select an operator, e. g. Change data type, in the Add data operations area. The relevant operator will be displayed.
b. Specify your settings.
c. You can display a preview of the transformed source data of each operator. This enables you to track all data changes step by step. Click the 
Calculate peview icon of an operator. 7. Click Next.
8. Assign a data column to the combobox.
You can assign a separate column of the data source to the combobox. The data will be displayed in the drop down menu of the combobox.
a. Assign a Data column to the Visible Column field via drag and drop. Enter a New Column Name if necessary.
b. Select a Format in the drop-down menu and enter an Initial selected value if necessary. The Format option is only available for columns of type text and date.
c. Activate the Sort descending option to display the values in a descending order in the drop-down menu.
9. Click Edit Data Source if you want to change the source settings.
10. Click OK.
The Drop-down box will be displayed with real data of the assigned data source.
