diff --git a/module/product/control.php b/module/product/control.php
index 6deac9301c..9c847266f5 100644
--- a/module/product/control.php
+++ b/module/product/control.php
@@ -333,7 +333,6 @@ class product extends control
         $this->view->rdUsers    = $rdUsers;
         $this->view->users      = $this->user->getPairs('nodeleted|noclosed');
         $this->view->programs   = array('') + $this->loadModel('program')->getTopPGMPairs();
-        $this->view->lines      = array('') + $this->loadModel('tree')->getLinePairs();
         $this->view->URSRPairs  = $this->loadModel('custom')->getURSRPairs();
 
         unset($this->lang->product->typeList['']);
@@ -481,7 +480,7 @@ class product extends control
         $this->view->rdUsers              = $rdUsers;
         $this->view->users                = $this->user->getPairs('nodeleted|noclosed');
         $this->view->programs             = array('') + $this->loadModel('program')->getTopPGMPairs();
-        $this->view->lines                = array('') + $this->loadModel('tree')->getLinePairs();
+        $this->view->lines                = array('') + $this->product->getLinePairs($product->program);
         $this->view->URSRPairs            = $this->loadModel('custom')->getURSRPairs();
         $this->view->canChangePGM         = $canChangePGM;
         $this->view->singleLinkProjects   = $singleLinkProjects;
@@ -556,7 +555,7 @@ class product extends control
 
         $this->view->title         = $this->lang->product->batchEdit;
         $this->view->position[]    = $this->lang->product->batchEdit;
-        $this->view->lines         = array('') + $this->tree->getLinePairs();
+        $this->view->lines         = array('') + $this->product->getLinePairs();
         $this->view->productIDList = $productIDList;
         $this->view->products      = $products;
         $this->view->poUsers       = $poUsers;
@@ -804,7 +803,7 @@ class product extends control
         $this->view->product    = $product;
         $this->view->actions    = $this->loadModel('action')->getList('product', $productID);
         $this->view->users      = $this->user->getPairs('noletter');
-        $this->view->lines      = array('') + $this->loadModel('tree')->getLinePairs();
+        $this->view->lines      = array('') + $this->product->getLinePairs();
         $this->view->dynamics   = $this->loadModel('action')->getDynamic('all', 'all', 'date_desc', $pager, $productID);
         $this->view->roadmaps   = $this->product->getRoadmap($productID, 0, 6);
 
@@ -872,6 +871,19 @@ class product extends control
         die($output);
     }
 
+    /**
+     * Ajax get product lines.
+     *
+     * @param  int    $programID
+     * @access public
+     * @return void
+     */
+    public function ajaxGetLine($programID)
+    {
+        $lines = $this->product->getLinePairs($programID);
+        die(html::select('line', array('' => '') + $lines, '', "class='form-control chosen'"));
+    }
+
     /**
      * Drop menu page.
      *
@@ -1100,7 +1112,7 @@ class product extends control
                 unset($fields[$key]);
             }
 
-            $lines = $this->loadModel('tree')->getLinePairs();
+            $lines = $this->product->getLinePairs();
             $productStats = $this->product->getStats($orderBy, null, $status);
             foreach($productStats as $i => $product)
             {
diff --git a/module/product/js/create.js b/module/product/js/create.js
index b478c4fc3f..32f955c4c7 100644
--- a/module/product/js/create.js
+++ b/module/product/js/create.js
@@ -13,3 +13,15 @@ function loadProductLines(rootID)
         $(this).find('select').chosen()
     });
 }
+
+$('#program').change(function()
+{
+    var programID = $(this).val();
+
+    $.get(createLink('product', 'ajaxGetLine', 'programID=' + programID), function(data)
+    {
+        $('#line_chosen').remove();
+        $('#line').replaceWith(data);
+        $('#line').chosen();
+    })
+})
diff --git a/module/product/js/edit.js b/module/product/js/edit.js
index b04517f85c..367d94af08 100644
--- a/module/product/js/edit.js
+++ b/module/product/js/edit.js
@@ -13,6 +13,18 @@ $(function()
             }
         }
     })
+
+    $('#program').change(function()
+    {
+        var programID = $(this).val();
+
+        $.get(createLink('product', 'ajaxGetLine', 'programID=' + programID), function(data)
+        {
+            $('#line_chosen').remove();
+            $('#line').replaceWith(data);
+            $('#line').chosen();
+        })
+    })
 });
 
 /**
diff --git a/module/product/model.php b/module/product/model.php
index 666e826772..b5a58650a1 100644
--- a/module/product/model.php
+++ b/module/product/model.php
@@ -388,7 +388,7 @@ class productModel extends model
 
         if(empty($products)) return $products;
 
-        $lines = $this->loadModel('tree')->getLinePairs($useShort = true);
+        $lines = $this->getLinePairs();
         $productList = array();
         foreach($lines as $id => $name)
         {
@@ -1358,6 +1358,22 @@ class productModel extends model
         return $stats;
     }
 
+    /**
+     * Get product line pairs.
+     *
+     * @param  int    $programID
+     * @access public
+     * @return void
+     */
+    public function getLinePairs($programID = 0)
+    {
+        return $this->dao->select('id,name')->from(TABLE_MODULE)
+            ->where('type')->eq('line')
+            ->beginIF($programID)->andWhere('root')->eq($programID)->fi()
+            ->andWhere('deleted')->eq(0)
+            ->fetchPairs();
+    }
+
     /**
      * Get the summary of product's stories.
      *
diff --git a/module/product/view/create.html.php b/module/product/view/create.html.php
index edbe49f8b4..abbdb91279 100644
--- a/module/product/view/create.html.php
+++ b/module/product/view/create.html.php
@@ -25,6 +25,10 @@
             <th class='w-140px'><?php echo $lang->program->PGMCommon;?></th>
             <td><?php echo html::select('program', $programs, '', "class='form-control chosen' required");?></td><td></td>
           </tr>  
+          <tr>
+            <th class='w-140px'><?php echo $lang->product->line;?></th>
+            <td><?php echo html::select('line', '', '', "class='form-control chosen'");?></td><td></td>
+          </tr>
           <tr>
             <th><?php echo $lang->product->name;?></th>
             <td><?php echo html::input('name', '', "class='form-control input-product-title' required");?></td><td></td>
diff --git a/module/product/view/edit.html.php b/module/product/view/edit.html.php
index 7ccbde425b..c8dbd28374 100644
--- a/module/product/view/edit.html.php
+++ b/module/product/view/edit.html.php
@@ -35,6 +35,10 @@
             <th class='w-140px'><?php echo $lang->product->program;?></th>
             <td><?php echo html::select('program', $programs, $product->program, "class='form-control chosen'");?></td>
           </tr>
+          <tr>
+            <th class='w-140px'><?php echo $lang->product->line;?></th>
+            <td><?php echo html::select('line', $lines, $product->line, "class='form-control chosen'");?></td><td></td>
+          </tr>
           <tr>
             <th class='w-140px'><?php echo $lang->product->name;?></th>
             <td class='w-p40-f'><?php echo html::input('name', $product->name, "class='form-control' required");?></td><td></td>
diff --git a/module/tree/model.php b/module/tree/model.php
index 62484d994f..414d293160 100644
--- a/module/tree/model.php
+++ b/module/tree/model.php
@@ -204,23 +204,6 @@ class treeModel extends model
         return $modulePairs;
     }
 
-    /**
-     * Get line pairs.
-     *
-     * @param  bool    $useShort 
-     * @access public
-     * @return array
-     */
-    public function getLinePairs($useShort = false)
-    {
-        $lines = $this->dao->select('id,name,short')->from(TABLE_MODULE)->where('type')->eq('line')->andWhere('deleted')->eq(0)->fetchAll('id');
-
-        $linePairs = array();
-        foreach($lines as $lineID => $line) $linePairs[$lineID] = ($useShort and !empty($line->short)) ? $line->short : $line->name;
-
-        return $linePairs;
-    }
-
     /**
      * Create an option menu of task in html.
      *