/// <summary>
/// This method is called when user clicks Add button in Related PivotItem
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private async void abRelatedAdd_Click(object sender, RoutedEventArgs e)
{
// Get RelatedData to create related record
RelatedData relatedData = entityMetadataEx.RelatedEntities.Where(x => x.ReferencingEntity == (CRMGrid.cbLookFor.SelectedItem as EntityMetadataEx).EntityMetadata.LogicalName).First();
// Create Entity instance to created record, by fulling mapped values.
Entity targetRecord = await CRMHelper.RetrieveRecordForRelated(record, relatedData, entityMetadataEx);
// Make id to empty for sure (not mandatory?)
targetRecord.Id = Guid.Empty;
// Get Related entity's EntityMetadata
EntityMetadataEx targetEntityMetadataEx = CRMHelper.EntityMetadataExCollection.Where(x => x.EntityMetadata.LogicalName == relatedData.ReferencingEntity).First();
// Get fields for create form
List <FormFieldData> targetFields = await CRMHelper.RetrieveFormFields(targetEntityMetadataEx);
// Resets all the buttons
ResetAppBarButtonDisplay();
// Generate parameters. As this is new record, passing null for record object.
object[] parameters = new object[] { targetRecord, targetFields, targetEntityMetadataEx };
CRMHelper.temporaryData = parameters;
// Then Navigate to RecordModifyPage
Frame.Navigate(typeof(RecordModifyPage));
}