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How to implement form events

Created 2 years ago by Antonio RamirezHow-tos4 comments – viewed 13,467 times – ( +6 ) – version 2.0
You have that, when a product is on development they can change its API anytime. This change is quite important though, its related on how to set the events of your form, for example, the useful beforeSubmit.
tags: yii2, forms, how to

Checking for "expired" sessions/logins on the client side

Created 3 years ago by le_topHow-tos0 comments – viewed 21,669 times – ( +6 ) – version 1.1
Getting "Expired token" errors ? Here is a solution to avoid invalid CSRF on POST or ajax requests, or user identity changes.

Yii2: Configuring different sessions for backend and frontend in Yii Advanced Application Template

Created about a year ago by hrnairHow-tos2 comments – viewed 19,195 times – ( +6 ) – version 2.0
This is as an extension of this wiki by Kartik V which shows to make different enableAutoLogin cookies for frontend and backend.

How to use Multiple instances of the same model in the same form

Created 4 years ago by kiran sharmaHow-tos21 comments – viewed 52,570 times – ( +22 / -6 ) – version 1.1
When i had created this functionality then i found some difficulties and not got much idea from wiki and forums. so, i think this will be useful for newbie users and save time of other developers when create related functionality. I refer Collecting Tabular Input tutorial but not got clear idea for create/update.

How to filter CGridView with From Date and To Date datepicker

Created 4 years ago by kiran sharmaTips16 comments – viewed 45,863 times – ( +17 / -4 ) – version 1.1
This artical is related to allow user to filter CGridView with date range using datepicker on submit button. Here I use Yii Cookie to preserve date in datepicker textbox after submitting the form.

using multiple radio button

Created 4 years ago by francis jaTips4 comments – viewed 46,164 times – ( +9 / -1 ) – version 1.1
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().

Storing your images in your table's blob field and displaying that stored images.

Created 4 years ago by sirin kHow-tos7 comments – viewed 31,416 times – ( +9 / -1 ) – version 1.1
He im giving you a very simple example ie how you can store an image to your blob field in a table.Hope you already familiar with the normal image upload.
tags: blob, image

How to create nice modal login widget with a CJuiDialog

Created 5 years ago by Igor IvanovicTutorials3 comments – viewed 50,698 times – ( +9 / -1 ) – version 1.1
...folder /protected/components/UserLoginWidget.php... ...extending the CWidget class...
tags: user, login, modal, widget

Escape from Default's Yii2 Delete Confirm Box

Created 2 years ago by Antonio RamirezHow-tos8 comments – viewed 19,738 times – ( +9 / -1 ) – version 2.0
If you started playing with Yii2's new GridView, you will soon realize that some things have improved quite a lot, but I am sure its going to be a bit confusing at first glance when you try to modify certain javascript behaviors like for example, its delete confirmation dialog box.

Using a CDbDataReader (sql query result) in a zii widget (such as CGridView or CListView)

Created 5 years ago by Revelis Luc BonninHow-tos2 comments – viewed 26,692 times – ( +9 / -1 ) – version 1.1
If in your application you have to proceed to a complex SQL query that is not associated to a model, you will use CDbDataReader like it is described in the Yii documentation. An example could be