private void cmdDeleteList_Click(object sender, EventArgs e) { DatabaseManagement database = new DatabaseManagement(); database.OpenConnection(); database.DeleteList(((UsersList)cboList.SelectedItem).Name); userInfo = (EnterpriseUser)database.GetUser(userInfo.Email); database.CloseConnection(); displayEnterpriseLists(); lstList.Items.Clear(); cmdListToDelete.Enabled = false; cmdDeleteList.Enabled = false; cmdAddToList.Enabled = false; txtIban.Enabled = false; }