private void OuterGrid_Tapped(object sender, EventArgs e)
 {
     DOB_Picker.IsShowPicker = false;
     DOB_Picker.IsVisible    = false;
     DOB_Picker.Unfocus();
     MyResumeSyncViewModel.ShowTestSelection = false;
 }
 void TestDate_Tapped(object sender, System.EventArgs e)
 {
     if (MyResumeSyncViewModel.ShowTestSelection)
     {
         MyResumeSyncViewModel.ShowTestSelection = false;
         TestDate.Unfocus();
         return;
     }
     if (Device.RuntimePlatform == Device.UWP)
     {
         DOB_Picker.ShowDatePicker();
     }
     else
     {
         DOB_Picker.Focus();
     }
 }