-<div class="body-wrap" xmlns:ext="http://www.extjs.com"><div class="top-tools"><a class="inner-link" href="#Ext.data.Field-props"><img src="
../resources/images/default/s.gif" class="item-icon icon-prop">Properties</a> <a class="inner-link" href="#Ext.data.Field-methods"><img src="../resources/images/default/s.gif" class="item-icon icon-method">Methods</a> <a class="inner-link" href="#Ext.data.Field-events"><img src="../resources/images/default/s.gif" class="item-icon icon-event">Events</a> <a class="inner-link" href="#Ext.data.Field-configs"><img src="../resources/images/default/s.gif" class="item-icon icon-config">Config Options</a> <a class="bookmark" href="../docs/?class=Ext.data.Field"><img src="../resources/images/default/s.gif" class="item-icon icon-fav">Direct Link</a> </div><h1>Class <a href="source/DataField.html#cls-Ext.data.Field">Ext.data.Field</a></h1><table cellspacing="0"><tr><td class="label">Package:</td><td class="hd-info">Ext.data</td></tr><tr><td class="label">Defined In:</td><td class="hd-info"><a href="source/DataField.html#cls-Ext.data.Field">DataField.js</a></td></tr><tr><td class="label">Class:</td><td class="hd-info"><a href="source/DataField.html#cls-Ext.data.Field">Field</a></td></tr><tr><td class="label">Extends:</td><td class="hd-info">Object</td></tr></table><div class="description"><p>This class encapsulates the field definition information specified in the field definition objects
+<div class="body-wrap" xmlns:ext="http://www.extjs.com"><div class="top-tools"><a class="inner-link" href="#Ext.data.Field-props"><img src="
resources/images/default/s.gif" class="item-icon icon-prop">Properties</a> <a class="inner-link" href="#Ext.data.Field-methods"><img src="resources/images/default/s.gif" class="item-icon icon-method">Methods</a> <a class="inner-link" href="#Ext.data.Field-events"><img src="resources/images/default/s.gif" class="item-icon icon-event">Events</a> <a class="inner-link" href="#Ext.data.Field-configs"><img src="resources/images/default/s.gif" class="item-icon icon-config">Config Options</a> <a class="bookmark" href="../docs/?class=Ext.data.Field"><img src="resources/images/default/s.gif" class="item-icon icon-fav">Direct Link</a> </div><h1>Class <a href="source/DataField.html#cls-Ext.data.Field">Ext.data.Field</a></h1><table cellspacing="0"><tr><td class="label">Package:</td><td class="hd-info">Ext.data</td></tr><tr><td class="label">Defined In:</td><td class="hd-info"><a href="source/DataField.html#cls-Ext.data.Field">DataField.js</a></td></tr><tr><td class="label">Class:</td><td class="hd-info"><a href="source/DataField.html#cls-Ext.data.Field">Field</a></td></tr><tr><td class="label">Extends:</td><td class="hd-info">Object</td></tr></table><div class="description"><p>This class encapsulates the field definition information specified in the field definition objects
passed to <a href="output/Ext.data.Record.html#Ext.data.Record-create" ext:member="create" ext:cls="Ext.data.Record">Ext.data.Record.create</a>.</p>
<p>Developers do not need to instantiate this class. Instances are created by <a href="output/Ext.data.Record.create.html" ext:cls="Ext.data.Record.create">Ext.data.Record.create</a>
and cached in the <a href="output/Ext.data.Record.html#Ext.data.Record-fields" ext:member="fields" ext:cls="Ext.data.Record">fields</a> property of the created Record constructor's <b>prototype.</b></p></div><div class="hr"></div><a id="Ext.data.Field-configs"></a><h2>Config Options</h2><table cellspacing="0" class="member-table"><tbody><tr><th colspan="2" class="sig-header">Config Options</th><th class="msource-header">Defined By</th></tr><tr class="config-row expandable "><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.data.Field-allowBlank"></a><b><a href="source/DataField.html#cfg-Ext.data.Field-allowBlank">allowBlank</a></b> : Boolean<div class="mdesc"><div class="short">Used for validating a record, defaults to true.
<li>date</li></ul></div>
<p>This may also be specified by referencing a member of the <a href="output/Ext.data.Types.html" ext:cls="Ext.data.Types">Ext.data.Types</a> class.</p>
<p>Developers may create their own application-specific data types by defining new members of the
-<a href="output/Ext.data.Types.html" ext:cls="Ext.data.Types">Ext.data.Types</a> class.</p></div></div></td><td class="msource">Field</td></tr></tbody></table><a id="Ext.data.Field-props"></a><h2>Public Properties</h2><div class="no-members">This class has no public properties.</div><a id="Ext.data.Field-methods"></a><h2>Public Methods</h2><div class="no-members">This class has no public methods.</div><a id="Ext.data.Field-events"></a><h2>Public Events</h2><div class="no-members">This class has no public events.</div></div>
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+<a href="output/Ext.data.Types.html" ext:cls="Ext.data.Types">Ext.data.Types</a> class.</p></div></div></td><td class="msource">Field</td></tr><tr class="config-row expandable "><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.data.Field-useNull"></a><b><a href="source/DataField.html#cfg-Ext.data.Field-useNull">useNull</a></b> : Boolean<div class="mdesc"><div class="short">(Optional) Use when converting received data into a Number type (either int or float). If the value cannot be parsed,...</div><div class="long"><p>(Optional) Use when converting received data into a Number type (either int or float). If the value cannot be parsed,
+null will be used if useNull is true, otherwise the value will be 0. Defaults to <tt>false</tt></div></div></td><td class="msource">Field</td></tr></tbody></table><a id="Ext.data.Field-props"></a><h2>Public Properties</h2><div class="no-members">This class has no public properties.</div><a id="Ext.data.Field-methods"></a><h2>Public Methods</h2><div class="no-members">This class has no public methods.</div><a id="Ext.data.Field-events"></a><h2>Public Events</h2><div class="no-members">This class has no public events.</div></div>
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