title: Data after Saving not showing on DataGrid in WPF
body: <p>This is my service in MVVM. The data is added to the list and can see it in debugger but just before showing it on UI Presentation it did not show. i had applied two way binding and have use DataGridView. its showing data on the LoadData function but not loading. i am starter to the WPF</p>
  <pre><code>        public EmployeeViewModel()
          {
              CurrentEmployee = new Employee();
              objEmployeeService = new EmployeeService();
              saveCommand = new RelayCommand(Save);
              LoadData();
             
          }
          private void LoadData()
          {
              obj_Employee = new ObservableCollection&lt;Employee&gt;(objEmployeeService.GetAllEmployees());
          }
          #endregion
  
          #region AddEmployee
          private Employee currentEmployee;
          private string message;
          public string Message { get { return message; } set { message = value; OnPropertyChanged(&quot;Message&quot;); } }
          public Employee CurrentEmployee
          {
              get { return currentEmployee; }
              set { currentEmployee = value; OnPropertyChanged(&quot;CurrentEmployee&quot;); }
          }
  
          private RelayCommand saveCommand;
          public RelayCommand SaveCommand
          {
              get { return saveCommand; }
          }
  
          public void Save()
          {
              bool IsSaved=false;
              try
              {
                  IsSaved = objEmployeeService.Add(CurrentEmployee);
                  LoadData();
  
              }
              catch (Exception ex)
              {
                  Message = ex.Message;
              }
              if (IsSaved)
                  Message = &quot;Employee Saved&quot;;
          }
  </code></pre>
  <p>Here is my UI</p>
  <pre><code>    &lt;DataGrid x:Name=&quot;dgridEmployees&quot; 
                        AutoGenerateColumns=&quot;False&quot;
                        Grid.Row=&quot;6&quot;
                        Grid.Column=&quot;1&quot;
                        Margin=&quot;3&quot;
                        ItemsSource=&quot;{Binding Path = Employees, Mode=TwoWay}&quot;
                        &gt;
                  &lt;DataGrid.Columns&gt;
                      &lt;DataGridTextColumn Header=&quot;EmployeeID&quot;
                                      Width=&quot;auto&quot;
                                      Binding=
                                      &quot;{Binding Path=Id}&quot;&gt;&lt;/DataGridTextColumn&gt;
                      &lt;DataGridTextColumn Header=&quot;Employee Name&quot;
                                      Width=&quot;auto&quot;
                                      Binding=
                                      &quot;{Binding Path=Name}&quot;&gt;&lt;/DataGridTextColumn&gt;
                      &lt;DataGridTextColumn Header=&quot;EmployeeAge&quot;
                                      Width=&quot;auto&quot;
                                      Binding=
                                      &quot;{Binding Path=Age}&quot;&gt;&lt;/DataGridTextColumn&gt;
                  &lt;/DataGrid.Columns&gt;
              &lt;/DataGrid&gt;
  </code></pre>