diff --git a/src/Parameter/ParameterWidget.cc b/src/Parameter/ParameterWidget.cc
index 1f3e2edb..3b057bf0 100644
--- a/src/Parameter/ParameterWidget.cc
+++ b/src/Parameter/ParameterWidget.cc
@@ -38,7 +38,8 @@
 ParameterWidget::ParameterWidget(QWidget *parent) : QWidget(parent)
 {
 	setupUi(this);
-
+    getParameterSet("save.json");
+    setComboBoxForSet();
     descriptionShow=true;
 	autoPreviewTimer.setInterval(500);
 	autoPreviewTimer.setSingleShot(true);
@@ -51,6 +52,26 @@ ParameterWidget::~ParameterWidget()
 {
 }
 
+void ParameterWidget::setComboBoxForSet(){
+
+    this->comboBox->addItem("No Set Selected",
+                QVariant(QString::fromStdString("")));
+    for(Parameterset::iterator it=parameterSet.begin();it != parameterSet.end();it++){
+          this->comboBox->addItem(QString::fromStdString(it->first),
+                      QVariant(QString::fromStdString(it->first)));
+    }
+    this->comboBox->setCurrentText("No Set Selected");
+    connect(comboBox, SIGNAL(currentIndexChanged(int)),this,SLOT(onSetChanged(int)));
+}
+
+void ParameterWidget::onSetChanged(int idx){
+
+    const string v = comboBox->itemData(idx).toString().toUtf8().constData();
+    applyParameterSet(v);
+    emit previewRequested();
+
+}
+
 void ParameterWidget::onDescriptionShow()
 {
     if(checkBoxDetailedDescription->isChecked()){
@@ -203,4 +224,30 @@ if(groupMap.find("Global")!=groupMap.end()){
     end();
 }
 
+void ParameterWidget::applyParameterSet(string setName){
+
+
+    Parameterset::iterator set=parameterSet.find(setName);
+    if(set==parameterSet.end()){
+        qWarning("no set");
+        return ;
+     }
+    SetOfParameter setofparameter=set->second;
+
+    for(SetOfParameter::iterator i = setofparameter.begin();i!=setofparameter.end();i++){
+
+        entry_map_t::iterator entry =entries.find(i->first);
+        if(entry!=entries.end()){
+            if(entry->second->dvt == Value::STRING){
+                entry->second->value=ValuePtr(i->second);
+            }else if(entry->second->dvt== Value::BOOL){
+                entry->second->value=ValuePtr(i->second=="true");
+          }
+            else{
+             entry->second->value=ValuePtr(QString::fromStdString(i->second).toDouble());
+            }
+        }
+    }
+
+}
 
diff --git a/src/Parameter/ParameterWidget.h b/src/Parameter/ParameterWidget.h
index 504f22f4..87a1ffb6 100644
--- a/src/Parameter/ParameterWidget.h
+++ b/src/Parameter/ParameterWidget.h
@@ -31,8 +31,9 @@
 #include "parameterextractor.h"
 #include "ui_ParameterWidget.h"
 #include "groupwidget.h"
+#include "parameterset.h"
 
-class ParameterWidget : public QWidget, public Ui::ParameterWidget, public ParameterExtractor
+class ParameterWidget : public QWidget, public Ui::ParameterWidget, public ParameterExtractor, public ParameterSet
 {
 	Q_OBJECT
 private:
@@ -51,6 +52,7 @@ protected slots:
     void onValueChanged();
     void onPreviewTimerElapsed();
     void onDescriptionShow();
+    void onSetChanged(int idx);
 
 
 signals:
@@ -61,5 +63,7 @@ protected:
     void begin();
     void addEntry(class ParameterVirtualWidget *entry);
     void end();
+    void setComboBoxForSet();
+     void applyParameterSet(string setName);
 };
 
diff --git a/src/Parameter/parameterset.cpp b/src/Parameter/parameterset.cpp
index cce99634..b69de2d6 100644
--- a/src/Parameter/parameterset.cpp
+++ b/src/Parameter/parameterset.cpp
@@ -16,7 +16,7 @@ ParameterSet::ParameterSet()
 {
 }
 
-bool ParameterSet::getParameterSet(string filename){
+void ParameterSet::getParameterSet(string filename){
 
     try{
             std::fstream myfile;
@@ -32,15 +32,13 @@ bool ParameterSet::getParameterSet(string filename){
                 SetOfParameter setofparameter;
                 std::cout<<"model name"<<v.first<<std::endl;
                 for(pt::ptree::value_type &vi : v.second){
-
                       setofparameter[vi.first]=vi.second.data();
-                      std::cout<<vi.first<<std::endl;
+
                 }
                 parameterSet[v.first]=setofparameter;
             }
 
             myfile.close();
-            print();
        }
        catch (std::exception const& e)
        {
@@ -73,14 +71,22 @@ void ParameterSet::applyParameterSet(FileModule *fileModule,string setName)
      }
 
     SetOfParameter setofparameter=set->second;
+    ModuleContext ctx;
 
     for (AssignmentList::iterator it = fileModule->scope.assignments.begin();it != fileModule->scope.assignments.end();it++) {
 
         for(SetOfParameter::iterator i = setofparameter.begin();i!=setofparameter.end();i++){
             if(i->first== (*it).name){
                 Assignment *assignment;
-                    assignment=&(*it);
+                assignment=&(*it);
+                const ValuePtr defaultValue = assignment->expr.get()->evaluate(&ctx);
+                if(defaultValue->type()== Value::STRING){
                     assignment->expr = shared_ptr<Expression>(new Literal(ValuePtr(i->second)));
+                }else if(defaultValue->type()== Value::BOOL){
+                      assignment->expr = shared_ptr<Expression>(new Literal(ValuePtr(i->second=="true")));
+                }else{
+                    assignment->expr = shared_ptr<Expression>(new Literal(ValuePtr(QString::fromStdString(i->second).toDouble())))  ;
+                }
              }
 
          }
diff --git a/src/Parameter/parameterset.h b/src/Parameter/parameterset.h
index b4e67da9..b7acc53c 100644
--- a/src/Parameter/parameterset.h
+++ b/src/Parameter/parameterset.h
@@ -10,6 +10,7 @@ using namespace std;
 class ParameterSet
 {
 
+protected:
     typedef map<string,string >SetOfParameter;
     typedef map<string,SetOfParameter> Parameterset;
      Parameterset parameterSet;
@@ -17,7 +18,7 @@ class ParameterSet
 public:
 
      ParameterSet();
-     bool getParameterSet(string filename);
+     void getParameterSet(string filename);
      void print();
      void applyParameterSet(FileModule *fileModule,string setName);