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Comment: Migration of unmigrated content due to installation of a new plugin

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Please make sure you have read the Tag Syntax document and understand how tag attribute syntax works.

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The xhtml theme renders out a two-column table. If a different layout is needed, do not write your own HTML. Create a new theme or utilize the simple theme.

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Template-Related Attributes

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Javascript-Related Attributes

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Tooltip Related Attributes

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General Attributes

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Some tag attributes may not be utilized by all, or any, of the templates. For example, the form tag supports the tabindex attribute, but none of the themes render the tabindex.

Value/Name Relationship

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Likewise, a form control could be populated by calling a JavaBean accessor, like getPostalCode. In the expression language, we can refer to the JavaBean property by name. An expression like "%{postalCode}" would in turn call getPostalCode.

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However, since the tags imply a relationship between the name and value, the value attribute is optional. If a value is not specified, by default, the JavaBean accessor is used instead.

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While most attributes are exposed to the underlying templates as the same key as the attribute (${parameters.label}), the value attribute is not. Instead, it can be accessed via the nameValue key (${parameters.nameValue}). The nameValue key indicates that the value may have been generated from the name attribute rather than explicitly defined in the value attribute.

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Forms

The default ID is the action name. For example, "updateAddress".

Controls

The default ID is the form's name concatenated with the tag name. For example, "updateAddress_postalCode".

Form labelposition propagation

When labelposition attribute was defined for <s:form> tag it will be propagated to all form elements, but if form element defines its own labelposition it will take precedence over <s:form>'s attribute. Since 2.3.17.

Required Attribute

The required attribute on many UI tags defaults to true only if you have client-side validation enabled, and a validator is associated with that particular field.

Tooltip

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Next: UI Tag Reference