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Use CGridview to sort and filter CSqlDataProvider - when used with UNRELATED tables (or complex queries)

Updated 5 months ago by Gerhard LiebenbergHow-tos6 comments – viewed 5,040 times – version 1.1
I have two tables called hospitals and departments. I have a junction table between them which holds the departments in each hospital. But sometimes I need a list of "All hospitals with All possible departments" - regardless of whether they are linked in the junction table or not.

Step by step for how to full export Yii2 grid to excel

Updated 6 months ago by Scott_HuangTips2 comments – viewed 7,495 times – version 2.0
We will leverage Yii2-excelview widget. So, first of all is install Yii2-excelview:

Add model validator in Controller

Updated 6 months ago by Kostas Apazidis (KonApaz)Tips4 comments – viewed 4,748 times – ( +1 / -1 ) – version 1.1
There are cases that model validators should be depended by controller/action and you couldn't manipulate on the model class or using scenarios in easy way

Yii configuration: Dynamic & User dependent

Updated 6 months ago by le_topHow-tos0 comments – viewed 2,507 times – ( +1 ) – version 1.1
It is difficult to perform user dependent theming through a general configuration in 'main.php'. This article proposes a method to do so through a Factory that dynamically generates classes to allow delayed resolution of actual user values. This means that you can refer to values that are stored in the database through the CActiveRecord before Yii is actually loaded. The values will be fetched from the database when actually used for the first time, which is after Yii is loaded. Actually, you can use pretty much any method that relies on Yii with this method.

Simple Way to Upload and Save File

Updated 6 months ago by Misbahul D MunirTutorials0 comments – viewed 6,792 times – ( -2 ) – version 2.0
This tutorial need extension mdmsoft/yii2-upload-file. Follow the intruction to install. After installation done, create controller and action

Save and Display Date/Time Fields in different formats in Yii2

Updated 6 months ago by Kartik VHow-tos10 comments – viewed 19,845 times – ( +36 ) – version 2.0
You would find having such a need in most Yii Projects. Your database needs a specific format to store date fields, while you may want to display it in different formats to the users on forms and other views.

Yii 2.0: Write & use a custom Component in Yii2.0 (Advanced Template)

Updated 6 months ago by Deepak PradhanHow-tos0 comments – viewed 5,081 times – version 2.0
This is an extension to Yii 2.0: Write & use a custom Component in Yii2.0 for Advanced Template

Create Form With DynamicModel

Updated 6 months ago by Misbahul D MunirTips4 comments – viewed 3,427 times – version 2.0
In yii2 we can create form without create FormModel. Here we go
tags: form, yii2, model

How to use imagine ( crop, thumb, effects for images ) on Yii2

Updated 6 months ago by Anas AbuDayahTutorials0 comments – viewed 7,243 times – ( +6 ) – version 2.0
Imagine adds most common image functions and also acts as a wrapper to Imagine image manipulation library.

Upload CSV File

Updated 6 months ago by bhavesh vaghelaTutorials2 comments – viewed 11,380 times – ( +7 ) – version 1.1
View file