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Final Class Yiisoft\Yii\DataView\DataReaderNotSetException

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InheritanceYiisoft\Yii\DataView\DataReaderNotSetException » LogicException

Exception thrown when attempting to create a data view widget without setting a data reader.

This exception is thrown in scenarios where a data view widget (such as GridView or ListView) is instantiated without providing a required data reader component. The data reader is essential for the widget to access and iterate over the data that needs to be displayed.

Public Methods

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Method Description Defined By
__construct() Creates a new DataReaderNotSetException instance. Yiisoft\Yii\DataView\DataReaderNotSetException

Method Details

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__construct() public method

Creates a new DataReaderNotSetException instance.

The exception message indicates that widget creation failed due to a missing data reader component.

public __construct( ): mixed

                public function __construct()
{
    parent::__construct('Failed to create widget because "dataReader" is not set.');
}