Why gridview/export/download Not found

[topten1222]

I setting config main module 'gridview' => [ 'class' => '\kartik\grid\Module' ]

but export gridview not found ???

[topten1222]

file composer.json { "name": "yiisoft/yii2-app-advanced", "description": "Yii 2 Advanced Project Template", "keywords": ["yii2", "framework", "advanced", "project template"], "homepage": "http://www.yiiframework.com/", "type": "project", "license": "BSD-3-Clause", "support": { "issues": "https://github.com/yiisoft/yii2/issues?state=open", "forum": "http://www.yiiframework.com/forum/", "wiki": "http://www.yiiframework.com/wiki/", "irc": "irc://irc.freenode.net/yii", "source": "https://github.com/yiisoft/yii2" }, "minimum-stability": "stable", "require": { "php": ">=5.4.0", "yiisoft/yii2": "~2.0.6", "yiisoft/yii2-bootstrap": "~2.0.0", "yiisoft/yii2-swiftmailer": "~2.0.0 || ~2.1.0", "dektrium/yii2-user": "^0.9.14", "dektrium/yii2-rbac": "1.0.0-alpha@dev", "arturoliveira/yii2-excelview": "", "2amigos/yii2-tinymce-widget" : "~1.1", "kartik-v/yii2-widget-fileinput": "1.0.8", "kartik-v/yii2-widget-datetimepicker": "", "kartik-v/yii2-grid": "@dev" }, "require-dev": { "yiisoft/yii2-debug": "~2.0.0", "yiisoft/yii2-gii": "~2.0.0", "yiisoft/yii2-faker": "~2.0.0", "codeception/base": "^2.2.3", "codeception/verify": "~0.3.1" }, "config": { "github-protocols": [ "https" ] }, "repositories": { "packagist.org": { "type": "composer", "url": "https://packagist.org" } } }

[topten1222]

file autoload.php <?php

// autoload.php @generated by Composer

require_once DIR . '/composer/autoload_real.php';

return ComposerAutoloaderInitc09f353bcfa262a037dccd8d07f3ae4d::getLoader();

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