public void Refresh()
{
calfHandler = new AnimalsHandler();
datagridCalf.ItemsSource = calfHandler.GetCalfs();
}
/// <summary>
/// Added on March 18
/// </summary>
/// <param name="col">Column Name</param>
/// <param name="param">Column Value</param>
public void ShowFilteredList(string col, string param)
{
calfHandler = new AnimalsHandler();
datagridCalf.ItemsSource = calfHandler.GetCalfs(col, param);
}