php - Auto complete fields of a previous values -

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i doing small application in yii framework database this

 === invoices ===   id (pk)   customer_id   invoice_title   order_no   invoice_issue_date   due_date   description    === customers ===   id (pk)   email_address   customer_name   address   city   state   postal_code   description

i have rendered customer model in invoice model can enter values both models in single invoice form.but there 1 problem,let assume have customer name xyz had saved before.now when going again fill customer name xyz,it should show all fields of both models invoice_title,order_no,invoice_issue_date,due_date,description,email_address,customer_name,address etc. in input fields of form don't have re-enter fields again.so how can achive in yii framework.any , suggestions highly appreciable.more clarification on codes have done can shared if needed. please me out.i totally stuck here.

to has mentioned need ajax, , javascript. logic this:

  1. when value selected in dropdown customer name, trigger ajax call retrieve information user. can done ajax option, available additional htmloption html element helpers in chtml, part of clientchange.

    echo $form->dropdownlist($model,'customer_name',chtml::listdata(customers::model()->findall(),'id','customer_name'),    array(// htmloptions      'ajax'=>array(// special htmloption through clientchange, ajax            'type'=>'get',             'url'=>$this->createurl('controllername/customerdetails'),// action generate data            'data'=>'js:"id="+$(this).val()',// data sending action in controller            'datatype'=>'json',// type of data expect server            'success'=>'js:updatefields'// javascript function execute when request completes      )    )  );

    the documentation above options ajax can seen in jquery's ajax documentation.

  2. then in server side find particular customer, , send response browser. example:

    // in controllername code action return values json public function actioncustomerdetails($id){     $var=customers::model()->findbypk($id);     echo cjson::encode($var); }

  3. when receive server response populate respective fields. can done in success function callback ajax, in above code updatefields:

    yii::app()->clientscript->registerscript('update','     function updatefields(data, textstatus, jqxhr){         // select each input field id, , update value         $("#customers_postal_code").val(data.postal_code);         $("#customers_city").val(data.city);         $("#customers_address").val(data.address);         // update fields other inputs     } ');

notes: customer can have many invoices, question invoice select given customer name. that's you'll have handle, think answer has enough code going.

to know input field ids, can check generated html.


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