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Ext.NET Web Application Development by Anup Shah

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Stores

A Store is a component that manages data for you on the client. It is typically used with grids and repeating lists of data, but also with hierarchical data such as TreePanels, as we will see in a later chapter. A Store manages features such as sorting and filtering data (locally or remotely). To achieve this, a Store has two important aspects to it as follows:

  • A Model, to define the items in the Store, their data types, validation requirements, and so on
  • A Proxy, to help retrieve and synchronize any changes back from the original data source

Note

Ext JS 4 has various subclasses for the Store component, such as ArrayStore, JsonStore, JsonPStore, BufferStore, and XmlStore. These stores are very simple subclasses that simply instantiate the ...

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