You have different collections in MongoDb with de-normalized attributes. As you may know, due to its not-join nature, MongoDb tends to encourage repetition of the same value in different collections (de-normalization). In this MongoDb is opposed to a more SQL-like approach where you usually reference only the ID of the value with a foreign key.
Hi friends,
Sometimes new Yii guys face problem to manage dependent dropDownList using AJAX. I am going to discuss an easy solution about this issue.
When you're filling up a form of a CActiveRecord (using CActiveForm for example), usually you'll construct your code so that in case of validation error you'll get back the form with the error displayed back to you, typically when CActiveForm.errorSummary() is used. This is how its done by Gii.
I recently worked on updating the content of a gridview based on the selection of a dropdown menu. I thought I should share it in the forum...
// In Yii 1.x $form = $this->beginWidget('CActiveForm', [
'id' => 'order-search-form',
'method' => 'get',
]);
echo $form->textInput($searchModel, 'id');
echo CHtml::submitButton('Find', ['class' => 'btn btn-primary']);
$this->endWidget();
`
In Yii1 I used to have my own components under the components folder of the structure, now with namespacing this is a little bit different.
Ok, you have installed a Yii 2 basic or advanced app for the first time and completed the post install steps. You have picked up a few extensions to install for the first time as well. You would already see a composer.lock file in your application root folder.
The tips here are for advanced usages of composer and its assumed you have read about using composer and have a knowledge of your vendor packages to be updated. Let's consider, you want to update only one specific yii2 vendor library, without updating all the other extension packages?
This topic is related with langhandler extension
There are cases that you want to make an ajax request to another server and get the results.
The yii2-field-range extension enables you to easily setup ActiveField range fields with Bootstrap styling. You basically can setup two attributes joined together like a single field with combined validation error block.
So, you have installed a brand new Yii 2 app (basic) or (advanced). Here are a few tips for Apache web server users to get things running more secure and better with your yii2 app.
Yii has a neat "trick" that will assign default values to new CActiveRecords. When performing a search() though, this is pretty annoying as they automatically apply as filter values.
Efficient coding with Yii implies efficient use of the code generator. This article shares the personalised Gii templates that were built starting from the standard templates proposed by AweGen.
When we use multiple radio buttons with same name in Yii many people have the problem on getting the value of the selected radiobutton. The radioButtonList can be used for that, but if we need to use radioButton itself to place the button any where in a view, we need to include one more parameter in htmloption array().