Index: branches/5.2.x/core/units/helpers/csv_helper.php
===================================================================
diff -u -N -r16513 -r16567
--- branches/5.2.x/core/units/helpers/csv_helper.php	(.../csv_helper.php)	(revision 16513)
+++ branches/5.2.x/core/units/helpers/csv_helper.php	(.../csv_helper.php)	(revision 16567)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: csv_helper.php 16513 2017-01-20 14:10:53Z alex $
+* @version	$Id: csv_helper.php 16567 2017-07-16 17:52:07Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -61,8 +61,7 @@
 			$file = fopen($export_data['file_name'], $first_step ? 'w' : 'a');
 
 			$prefix_elems = preg_split('/\.|_/', $export_data['prefix'], 2);
-			$grids = $this->Application->getUnitOption($prefix_elems[0], 'Grids');
-			$grid_config = $grids[$export_data['grid']]['Fields'];
+			$grid_config = $this->getGridColumns($export_data);
 
 			$list_params = Array ('per_page' => $export_data['step'], 'grid' => $export_data['grid']);
 
@@ -214,8 +213,7 @@
 			fclose($file);
 
 			$prefix_elems = preg_split('/\.|_/', $import_data['prefix'], 2);
-			$grids = $this->Application->getUnitOption($prefix_elems[0], 'Grids');
-			$grid_config = $grids[ $import_data['grid'] ]['Fields'];
+			$grid_config = $this->getGridColumns($import_data);
 
 			$field_list = Array();
 			foreach($grid_config as $field_name => $field_data) {
@@ -303,9 +301,32 @@
 					}
 				}
 
-				// 2. set object fields
-				foreach($import_data['field_list'] as $position => $field_name) {
-					if(isset($data[$position])) {
+				// 2. set object fields.
+				$grid_config = $this->getGridColumns($import_data);
+
+				foreach ( $import_data['field_list'] as $position => $field_name ) {
+					if ( isset($data[$position]) ) {
+						$formatter_class = $object->GetFieldOption($field_name, 'formatter');
+
+						if ( $formatter_class !== false ) {
+							$formatter = $this->Application->recallObject($formatter_class);
+
+							if ( $formatter instanceof kDateFormatter ) {
+								if ( isset($grid_config[$field_name]['format']) ) {
+									$format = $grid_config[$field_name]['format'];
+								}
+								else {
+									$format = $object->GetFieldOption($field_name, 'format');
+								}
+
+								// Use export format during import.
+								$object->SetFieldOption($field_name, 'input_format', $format);
+
+								// Read date/time from single column.
+								$object->SetDBField($field_name . '_combined', 1);
+							}
+						}
+
 						$object->SetField($field_name, $data[$position]);
 					}
 				}
@@ -350,6 +371,21 @@
 			}
 		}
 
+		/**
+		 * Returns grid columns.
+		 *
+		 * @param array $import_data Import data.
+		 *
+		 * @return array
+		 */
+		protected function getGridColumns(array $import_data)
+		{
+			$prefix_elements = preg_split('/\.|_/', $import_data['prefix'], 2);
+			$grids = $this->Application->getUnitOption($prefix_elements[0], 'Grids');
+
+			return $grids[$import_data['grid']]['Fields'];
+		}
+
 		function ImportData($name)
 		{
 			$import_data = unserialize($this->Application->RecallVar('import_data'));