Creating a bar chart
Bar charts allow easy comparison of groups of data. A typical use in Salesforce is to view performance on a month-by-month basis; for example, to identify the effectiveness of a process improvement.
In this recipe, we will create a Visualforce page containing a bar chart that displays the total value of opportunities won per month for the previous 12 months. This allows a sales manager to view at a glance whether sales are increasing or decreasing and to identify any problem months that require further analysis.
Getting ready
This recipe makes use of a custom controller so this must be created before the Visualforce page.
How to do it...
- Navigate to the Apex Classes setup page by clicking on Your Name | Setup | Develop | Apex Classes ...
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