สังคมนักพัฒนาระบบ (Community)
มีปัญหาเรื่องการใช้งาน dropDownlist ที่มีการดึงข้อมูลจากฐานข้อมูลครับ
<p>เรื่องมีอยู่ว่า ผมได้แก้โคด _form.php ของ research ซึ่งเดิมเป็น textfield จะเปลี่ยนให้เป็น dropDownlist ที่ดึงข้อมูลจาก ตาราง researcher </p><p>ซึ่งเมื่อแก้จาก textfield เป็น dropDownlist เกิด error ขึ้น**</p><p>โคดที่ผมใช้ครับ</p><p><div></p><p><?php echo $form->labelEx($model,'idresearcher'); ?></p><p><?php echo $form->textField($model,'idresearcher'); ?></p><p><?php echo $form->error($model,'idresearcher'); ?></p><p><span style="background-color: initial;"></div></span> </p><p>ไม่ทราบว่ากรณีอย่างนี้เกิดเพราะอะไรครับ</p><p>** ---------------------error --------------------</p><h1>CException</h1><p>Property "Research.researcher" is not defined.</p><p>/home/rdkkc/public_html/framework/db/ar/CActiveRecord.php(145)</p><pre>133 */
134 public function __get($name)
135 {
136 if(isset($this->_attributes[$name]))
137 return $this->_attributes[$name];
138 elseif(isset($this->getMetaData()->columns[$name]))
139 return null;
140 elseif(isset($this->_related[$name]))
141 return $this->_related[$name];
142 elseif(isset($this->getMetaData()->relations[$name]))
143 return $this->getRelated($name);
144 else
145 return parent::__get($name);
146 }
147
148 /**
149 * PHP setter magic method.
150 * This method is overridden so that AR attributes can be accessed like properties.
151 * @param string $name property name
152 * @param mixed $value property value
153 */
154 public function __set($name,$value)
155 {
156 if($this->setAttribute($name,$value)===false)
157 {
</pre><h2>Stack Trace</h2><table><tbody><tr><td>#0</td><td><p>+ /home/rdkkc/public_html/framework/db/ar/CActiveRecord.php(145): <strong>CComponent</strong>-><strong>__get</strong>("researcher")
</p></td></tr><tr>
<td>#1</td>
<td>
<p>+</p> /home/rdkkc/public_html/framework/web/helpers/CHtml.php(2728): <strong>CActiveRecord</strong>-><strong>__get</strong>("researcher")
</td></tr><tr>
<td>#2</td>
<td>
<p>+</p> /home/rdkkc/public_html/framework/web/helpers/CHtml.php(1981): <strong>CHtml</strong>::<strong>resolveValue</strong>(Research, "researcher")
</td></tr><tr>
<td>#3</td>
<td>
<p>+</p> /home/rdkkc/public_html/framework/web/widgets/CActiveForm.php(914): <strong>CHtml</strong>::<strong>activeDropDownList</strong>(Research, "researcher", array("" => "พลนิกรณ์"), array("empty" => "เลือกการแสดงผล"))
</td></tr><tr>
<td>#4</td>
<td>
<p>–</p> /home/rdkkc/public_html/protected/views/research/_form.php(56): <strong>CActiveForm</strong>-><strong>dropDownList</strong>(Research, "researcher", array("" => "พลนิกรณ์"), array("empty" => "เลือกการแสดงผล"))<pre>51
52 <div>
53 <?php echo $form->labelEx($model,'researcher'); ?>
54 <?php echo $form->dropDownList($model,'researcher',
55 CHtml::listData(Researcher::model()->findAll(),'id','name'),
56 array('empty' => 'เลือกการแสดงผล'));?>
57
58 <?php echo $form->error($model,'researcher'); ?>
59 </div>
60
61 <div>
</pre>
</td></tr><tr><td>#5</td><td><p>+ /home/rdkkc/public_html/framework/web/CBaseController.php(126): <strong>require</strong>("/home/rdkkc/public_html/protected/views/research/_form.php")</p></td></tr><tr><td>#6</td><td><p>+</p><p> /home/rdkkc/public_html/framework/web/CBaseController.php(95): <strong>CBaseController</strong>-><strong>renderInternal</strong>("/home/rdkkc/public_html/protected/views/research/_form.php", array("model" => Research), true)
</p></td></tr><tr><td>#7</td><td><p>+</p><p> /home/rdkkc/public_html/framework/web/CController.php(869): <strong>CBaseController</strong>-><strong>renderFile</strong>("/home/rdkkc/public_html/protected/views/research/_form.php", array("model" => Research), true)
</p></td></tr><tr><td>#8</td><td><p>–</p> /home/rdkkc/public_html/protected/views/research/create.php(18): <strong>CController</strong>-><strong>renderPartial</strong>("_form", array("model" => Research))<pre>13 );
14 ?>
15
16 <h1>Create Research</h1>
17
18 <?php $this->renderPartial('_form', array('model'=>$model)); ?></pre>
</td></tr><tr><td>#9</td><td><p>+ /home/rdkkc/public_html/framework/web/CBaseController.php(126): <strong>require</strong>("/home/rdkkc/public_html/protected/views/research/create.php")</p></td></tr><tr><td>#10</td><td><p>+</p><p> /home/rdkkc/public_html/framework/web/CBaseController.php(95): <strong>CBaseController</strong>-><strong>renderInternal</strong>("/home/rdkkc/public_html/protected/views/research/create.php", array("model" => Research), true)
</p></td></tr><tr><td>#11</td><td><p>+</p><p> /home/rdkkc/public_html/framework/web/CController.php(869): <strong>CBaseController</strong>-><strong>renderFile</strong>("/home/rdkkc/public_html/protected/views/research/create.php", array("model" => Research), true)
</p></td></tr><tr><td>#12</td><td><p>+</p><p> /home/rdkkc/public_html/framework/web/CController.php(782): <strong>CController</strong>-><strong>renderPartial</strong>("create", array("model" => Research), true)
</p></td></tr><tr><td>#13</td><td><p>–</p> /home/rdkkc/public_html/protected/controllers/ResearchController.php(79): <strong>CController</strong>-><strong>render</strong>("create", array("model" => Research))<pre>74 $this->redirect(array('view','id'=>$model->idResearch));
75 }
76
77 $this->render('create',array(
78 'model'=>$model,
79 ));
80 }
81
82 /**
83 * Updates a particular model.
84 * If update is successful, the browser will be redirected to the 'view' page.
</pre>
</td></tr><tr><td>#14</td><td><p>+ /home/rdkkc/public_html/framework/web/actions/CInlineAction.php(49): <strong>ResearchController</strong>-><strong>actionCreate</strong>()</p></td></tr><tr><td>#15</td><td><p>+</p><p> /home/rdkkc/public_html/framework/web/CController.php(308): <strong>CInlineAction</strong>-><strong>runWithParams</strong>(array("r" => "research/create"))
</p></td></tr><tr><td>#16</td><td><p>+</p><p> /home/rdkkc/public_html/framework/web/filters/CFilterChain.php(133): <strong>CController</strong>-><strong>runAction</strong>(CInlineAction)
</p></td></tr><tr><td>#17</td><td><p>+</p><p> /home/rdkkc/public_html/framework/web/filters/CFilter.php(40): <strong>CFilterChain</strong>-><strong>run</strong>()
</p></td></tr><tr><td>#18</td><td><p>–</p> /home/rdkkc/public_html/framework/web/CController.php(1145): <strong>CFilter</strong>-><strong>filter</strong>(CFilterChain)<pre>1140 */
1141 public function filterAccessControl($filterChain)
1142 {
1143 $filter=new CAccessControlFilter;
1144 $filter->setRules($this->accessRules());
1145 $filter->filter($filterChain);
1146 }
1147
1148 /**
1149 * Returns a persistent page state value.
1150 * A page state is a variable that is persistent across POST requests of the same page.
</pre>
</td></tr><tr><td>#19</td><td><p>+ /home/rdkkc/public_html/framework/web/filters/CInlineFilter.php(58): <strong>CController</strong>-><strong>filterAccessControl</strong>(CFilterChain)</p></td></tr><tr><td>#20</td><td><p>+</p><p> /home/rdkkc/public_html/framework/web/filters/CFilterChain.php(130): <strong>CInlineFilter</strong>-><strong>filter</strong>(CFilterChain)
</p></td></tr><tr><td>#21</td><td><p>+</p><p> /home/rdkkc/public_html/framework/web/CController.php(291): <strong>CFilterChain</strong>-><strong>run</strong>()
</p></td></tr><tr><td>#22</td><td><p>+</p><p> /home/rdkkc/public_html/framework/web/CController.php(265): <strong>CController</strong>-><strong>runActionWithFilters</strong>(CInlineAction, array("accessControl", "postOnly + delete"))
</p></td></tr><tr><td>#23</td><td><p>+</p><p> /home/rdkkc/public_html/framework/web/CWebApplication.php(282): <strong>CController</strong>-><strong>run</strong>("create")
</p></td></tr><tr><td>#24</td><td><p>+</p><p> /home/rdkkc/public_html/framework/web/CWebApplication.php(141): <strong>CWebApplication</strong>-><strong>runController</strong>("research/create")
</p></td></tr><tr><td>#25</td><td><p>+</p><p> /home/rdkkc/public_html/framework/base/CApplication.php(184): <strong>CWebApplication</strong>-><strong>processRequest</strong>()
</p></td></tr><tr><td>#26</td><td><p>+</p><p> /home/rdkkc/public_html/index.php(13): <strong>CApplication</strong>-><strong>run</strong>()
</p></td></tr></tbody></table><p>2015-08-07 21:52:26 Apache/2.4.10 (Debian) <a href="http://www.yiiframework.com/">Yii Framework</a>/1.1.16</p>
