diff --git a/src/include/sheet.cpp b/src/include/sheet.cpp
index 174db061d..9fb37ddc1 100755
--- a/src/include/sheet.cpp
+++ b/src/include/sheet.cpp
@@ -1038,6 +1038,8 @@ TSheet::TSheet(short x, short y, short dx, short dy,
   {
     add_button(DLG_EDIT, TR("~Filtro"), K_CTRL+'F', TOOL_ELABORA);
     set_handler(DLG_EDIT, filtro_handler);
+		add_button(DLG_ARCHIVE, TR("~Modifica"), K_CTRL + 'M', TOOL_WARNING);
+		set_handler(DLG_ARCHIVE, update_handler);
   }
 
   if (buttons & 0x08) add_button(DLG_QUIT,   "Fine", K_ESC, TOOL_QUIT);
@@ -1494,6 +1496,22 @@ bool TSheet::filtro_handler(TMask_field& f, KEY k)
   return true;
 }
 
+bool TSheet::update_dialog()
+{
+	return sorry_box("Update non attivabile");
+}
+
+bool TSheet::update_handler(TMask_field& f, KEY k)
+{
+	if (k == K_SPACE)
+	{
+		TSheet& s = (TSheet&)f.mask();
+		s.update_dialog();
+		return false;
+	}
+	return true;
+}
+
 void TSheet::save_columns_order(const TEdit_field& field)
 { sheet().save_columns_order(field); } 
 
@@ -1754,6 +1772,56 @@ bool TCursor_sheet::filter_dialog()
   return true;
 }
 
+bool TCursor_sheet::update_dialog()
+{
+	TRectype rec = _cursor->curr();
+	const RecDes& rd = rec.rec_des();
+	TMask m(TR("Modifica bulk"), 1, 78, 4);
+	m.add_button_tool(DLG_OK, "", TOOL_OK);
+	m.add_button_tool(DLG_CANCEL, "", TOOL_CANCEL);
+	m.add_list(101, 0, "Campo da modificare", 1, 1, 20);
+	TList_field& lst = m.lfield(101);
+	int maxsize = 0;
+	for (int i = 0; i < rd.NFields; i++)
+	{
+		const char* fldName = rd.Fd[i].Name;
+		const int fldSize = rd.Fd[i].Len;
+		maxsize = maxsize < fldSize ? fldSize : maxsize;
+		static TString fname;
+		fname.cut(0) << fldName << "|" << fldName;
+		lst.add_item(fname);
+	}
+	m.add_string(102, 0, "Valore", 1, 2, maxsize, "", 25);
+
+	if (m.run() == K_ENTER)
+	{
+		TToken_string v;
+
+		const long chk = checked();
+		if (chk && yesno_box(FR("Modificare %ld record?"), chk))
+		{
+			const long i = items();
+			_cursor->freeze();
+			TString fld = m.get(101);
+			TString val = m.get(102);
+			for (TRecnotype j = 0; j < i; j++) if (checked(j))
+			{
+				_cursor->operator=(j);
+				TRectype row = _cursor->curr();
+				row.put(fld, val);
+				row.rewrite(_cursor->file());
+				uncheck(j);
+			}
+			_cursor->freeze(false);
+			// Forza update del cursore
+			_cursor->set_filterfunction(NULL, true);
+			if (_cursor->items() > 0)
+				select(1);
+		}
+	}
+	return true;
+}
+
 ///////////////////////////////////////////////////////////
 // TBrowse_sheet
 ///////////////////////////////////////////////////////////
diff --git a/src/include/sheet.h b/src/include/sheet.h
index 13fa25e85..68f5ef527 100755
--- a/src/include/sheet.h
+++ b/src/include/sheet.h
@@ -32,6 +32,7 @@ protected:  // TMask
   static bool tutti_handler(TMask_field& f, KEY k);
   static bool export_handler(TMask_field& f, KEY k);
   static bool filtro_handler(TMask_field& f, KEY k);
+	static bool update_handler(TMask_field& f, KEY k);
 
 protected:  
   void reset_parked() { _parked = -1; }
@@ -39,9 +40,10 @@ protected:
   virtual long get_items() const { return 0L; }
   virtual bool get_ini_paragraph(const TEdit_field& owner, TString& parag) const;
   virtual bool filter_dialog();
+	virtual bool update_dialog();
+
+  TSheet_control& sheet();
 
-  TSheet_control& sheet();                              
-                                
   // @cmember Permette di riposizionare i bottoni all'interno della pagina
   virtual void repos_buttons() const;
   virtual bool get_cell_colors(int row, int col, COLOR& fore, COLOR& back) const;
@@ -193,7 +195,6 @@ protected:  // TSheet
 
   bool in_key(const TFieldref& fr) const;
   virtual bool get_cell_colors(int row, int col, COLOR& fore, COLOR& back) const;
-  virtual bool filter_dialog();
 
   // @access Public Member
 public: // TSheet
@@ -203,6 +204,10 @@ public: // TSheet
 
   // @access Public Member
 public:
+	// Valori per modifiche bulk
+	TToken_string& get_update_val() { return _change_val; }
+	void set_update_val(TToken_string val) { _change_val = val; }
+
   // @cmember Ritorna il cursore
   TCursor* cursor() const
   { return _cursor; }