Ajax implements page dynamic drop-down list
Introduction
update time：2018-01-12Some projects or projects need to present the data in the database and provide choices. The drop-down content will change as the data in the database changes. First of all, we have an asp component that can help us do this. The DropDownList component only needs to add the data queried in the database to the component, and the dynamic drop-down effect can be displayed in the foreground. If you want to be more innovative and not rely on traditional components, ajax is
A good choice.Statement：
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