fix

~dev_rating/application/views/teacher/discipline/EditStudents.twig

@@ -75,7 +75,7 @@
             <select class="SelectStudyGroup default_select">
                 <option value="0">Выберите группу:</option>
                 {% for Group in StudyGroups %}
-                    <option value="{{ Group.GroupID }}">Группа {{ Group.GroupNum }} - {{ Group.SpecName }}</option>
+                    <option value="{{ Group.ID }}">Группа {{ Group.GroupNum }} - {{ Group.SpecName }}</option>
                 {% endfor %}
             </select>
             <input tupe="text" class="InputStudentName default_input_text" placeholder="Фамилия Имя Отчество" value="">

~dev_rating/media/js/discipline/EditStudents.js

@@ -157,11 +157,14 @@ $(function() {
 
                     for (i in data) {
                     	var temp = data[i];
-                    	jClone.append(ConstructGroup(temp.GroupID, temp.GroupNum, temp.SpecName));
+                    	jClone.append(ConstructGroup(temp.ID, temp.GroupNum, temp.SpecName));
                     } 
                        
                     jSGSelect.replaceWith(jClone);
                     jSGSelect = jClone;
+                    jSGSelect.change(function(){
+                        SearchStudents();
+                    });
                 }
                 SearchStudents();
             } //!callback