Magento 1.8 Custom Module – How to Reset Filter on Loading a Collection

gridmagento-1.8reset-filter

I have created a custom module in backend to display the search results of 'imei' in admin grid.

1) below is the home page to search imei.
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2) search result page.

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3) after searching i enter the value say for example 23 in imei text field search.
enter image description here

4)now i going back to home page and searching another value.

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5)but now i get no records found, but there is records for that particular search.

enter image description here

since this happens, i have to reset filter on loading collection.

Best Answer

Edit grid.php file in your custom module,

By default,

public function __construct()
{
 parent::__construct();
 $this->setId('productsGrid');
 // This is the primary key of the database
 $this->setDefaultSort('id');
 $this->setDefaultDir('ASC');
 $this->setSaveParametersInSession(true);
 $this->setUseAjax(true);
}

Change the code to,

public function __construct()
{
    parent::__construct();
    $this->setId('productsGrid');
    // This is the primary key of the database
    $this->setDefaultSort('id');
    $this->setDefaultDir('ASC');
    $this->setUseAjax(true);
}
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