# a4j

## Tag repeat

- Description:

    The non-visual <a4j:repeat> component is used to iterate through a data model. The component renders child content for every iteration according to the current object data.

    @author Nick Belaevski

- Component Information
  Info | Value
  --- | ---
  Component Type | `org.richfaces.Repeat`
  Handler Class | `org.richfaces.view.facelets.html.RepeatHandler`
  Renderer Type | `org.richfaces.RepeatRenderer`
  Description | The non-visual <a4j:repeat> component is used to iterate through a data model. The component renders child content for every iteration according to the current object data. @author Nick Belaevski

- Attributes
  Name | Required | Type | Description
  --- | --- | --- | ---
  `binding` | `false` | `javax.el.ValueExpression` (must evaluate to `javax.faces.component.UIComponent`) | The value binding expression used to wire up this component to a component property of a JavaBean class
  `first` | `false` | `javax.el.ValueExpression` (must evaluate to `int`) | A zero-relative row number of the first row to display
  `id` | `false` | `javax.el.ValueExpression` (must evaluate to `java.lang.String`) | The component identifier for this component. This value must be unique within the closest parent component that is a naming container.
  `iterationStatusVar` | `false` | `javax.el.ValueExpression` (must evaluate to `java.lang.String`) | Provides access to the iteration status in a Request scope
  `keepSaved` | `false` | `javax.el.ValueExpression` (must evaluate to `boolean`) | Boolean attribute that defines whether this iteration component will reset saved children's state before rendering. By default state is reset if there are no faces messages with severity error or higher.
  `rendered` | `false` | `javax.el.ValueExpression` (must evaluate to `boolean`) | Flag indicating whether or not this component should be rendered (during Render Response Phase), or processed on any subsequent form submit. The default value for this property is true.
  `rowKeyConverter` | `false` | `javax.el.ValueExpression` (must evaluate to `javax.faces.convert.Converter`) | Converter for a row key object
  `rowKeyVar` | `false` | `javax.el.ValueExpression` (must evaluate to `java.lang.String`) | Provides access to the row key in a Request scope
  `rows` | `false` | `javax.el.ValueExpression` (must evaluate to `int`) | The number of rows to display, or zero for all remaining rows in the table
  `stateVar` | `false` | `javax.el.ValueExpression` (must evaluate to `java.lang.String`) | The attribute provides access to a component state on the client side
  `value` | `false` | `javax.el.ValueExpression` (must evaluate to `java.lang.Object`) | Points to the data model
  `var` | `false` | `javax.el.ValueExpression` (must evaluate to `java.lang.String`) | A request-scope attribute via which the data object for the current row will be used when iterating

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