diff --git a/framework/yii/base/Controller.php b/framework/yii/base/Controller.php
index 25123fd..9b2b22b 100644
--- a/framework/yii/base/Controller.php
+++ b/framework/yii/base/Controller.php
@@ -247,34 +247,6 @@ class Controller extends Component
 	}
 
 	/**
-	 * Populates one or multiple models from the given data array.
-	 * @param array $data the data array. This is usually `$_POST` or `$_GET`, but can also be any valid array.
-	 * @param Model $model the model to be populated. If there are more than one model to be populated,
-	 * you may supply them as additional parameters.
-	 * @return boolean whether at least one model is successfully populated with the data.
-	 */
-	public function populate($data, $model)
-	{
-		$success = false;
-		if (!empty($data) && is_array($data)) {
-			$models = func_get_args();
-			array_shift($models);
-			foreach ($models as $model) {
-				/** @var Model $model */
-				$scope = $model->formName();
-				if ($scope == '') {
-					$model->setAttributes($data);
-					$success = true;
-				} elseif (isset($data[$scope])) {
-					$model->setAttributes($data[$scope]);
-					$success = true;
-				}
-			}
-		}
-		return $success;
-	}
-
-	/**
 	 * Renders a view and applies layout if available.
 	 *
 	 * The view to be rendered can be specified in one of the following formats:
diff --git a/framework/yii/base/Model.php b/framework/yii/base/Model.php
index dadf76c..3e38442 100644
--- a/framework/yii/base/Model.php
+++ b/framework/yii/base/Model.php
@@ -639,8 +639,9 @@ class Model extends Component implements \IteratorAggregate, \ArrayAccess
 
 	/**
 	 * Populates the model with the data from end user.
-	 * The data is subject to the safety check by [[setAttributes()]]. If [[formName()]] is not empty,
-	 * the data indexed by [[formName()]] in `$data` will be used to populate the model.
+	 * The data to be loaded is `$data[formName]`, where `formName` refers to the value of [[formName()]].
+	 * If [[formName()]] is empty, the whole `$data` array will be used to populate the model.
+	 * The data being populated is subject to the safety check by [[setAttributes()]].
 	 * @param array $data the data array. This is usually `$_POST` or `$_GET`, but can also be any valid array
 	 * supplied by end user.
 	 * @return boolean whether the model is successfully populated with some data.
@@ -660,6 +661,57 @@ class Model extends Component implements \IteratorAggregate, \ArrayAccess
 	}
 
 	/**
+	 * Populates a set of models with the data from end user.
+	 * This method is mainly used to collect tabular data input.
+	 * The data to be loaded for each model is `$data[formName][index]`, where `formName`
+	 * refers to the value of [[formName()]], and `index` the index of the model in the `$models` array.
+	 * If [[formName()]] is empty, `$data[index]` will be used to populate each model.
+	 * The data being populated to each model is subject to the safety check by [[setAttributes()]].
+	 * @param array $models the models to be populated. Note that all models should have the same class.
+	 * @param array $data the data array. This is usually `$_POST` or `$_GET`, but can also be any valid array
+	 * supplied by end user.
+	 * @return boolean whether the model is successfully populated with some data.
+	 */
+	public static function loadMultiple($models, $data)
+	{
+		/** @var Model $model */
+		$model = reset($models);
+		if ($model === false) {
+			return false;
+		}
+		$success = false;
+		$scope = $model->formName();
+		foreach ($models as $i => $model) {
+			if ($scope == '') {
+				if (isset($data[$i])) {
+					$model->setAttributes($data[$i]);
+					$success = true;
+				}
+			} elseif (isset($data[$scope][$i])) {
+				$model->setAttributes($data[$scope[$i]]);
+				$success = true;
+			}
+		}
+		return $success;
+	}
+
+	/**
+	 * Validates multiple models.
+	 * @param array $models the models to be validated
+	 * @return boolean whether all models are valid. False will be returned if one
+	 * or multiple models have validation error.
+	 */
+	public static function validateMultiple($models)
+	{
+		$valid = true;
+		/** @var Model $model */
+		foreach ($models as $model) {
+			$valid = $model->validate() && $valid;
+		}
+		return $valid;
+	}
+
+	/**
 	 * Converts the object into an array.
 	 * The default implementation will return [[attributes]].
 	 * @return array the array representation of the object