Shulou(Shulou.com)06/01 Report--

Measure the form built-in control in the rapid development platform: the chart widget is a widget that is mainly used for data display, but it can also perform some simple interactions.

It is the most beautiful part of the data display in the secondary development of the platform, and we need to master some necessary knowledge for development. The chart part is mainly composed of methods, properties, and events.

Example application effect picture:

Optional view:

Implementation method:

The first step: create a database table and enter the test data, as shown in the following figure:

Step 2: create a new form and drag into the chart widget; bind a business table in the "business table" property bar of the chart part

Make the settings shown in the following illustration in the View Settings property:

In the title Settings property, make the settings shown in the following figure:

Step 3: add the code to refresh the chart part data in the form event management-load event; click run after saving to view the effect

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Written by: measurement Technology http://www.delit.cn

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