/// <summary>
 /// Handles the Click event of the btn_CritCreate control.
 /// </summary>
 /// <param name="sender">The source of the event.</param>
 /// <param name="e">The <see cref="EventArgs"/> instance containing the event data.</param>
 /// Erstellt von Veit Berg, am 27.01.16
 private void btn_CritCreate_Click(object sender, EventArgs e)
 {
     Criterion_Create_View CritCreate = new Criterion_Create_View(this);
     CritCreate.Show();
 }