private void btnOK_Click(object sender, EventArgs e) { this.btnOK.Enabled = false; BikesHistory.Return(this.bike); this.txtUser.Clear(); this.cboBike.Items.Remove(this.bike); MessageBox.Show("成功归还!"); }
private void btnOK_Click(object sender, EventArgs e) { this.btnOK.Enabled = false; this.bike = this.txtBike.Text.Trim(); this.user = this.txtUser.Text.Trim(); if (BikesHistory.Borrow(bike, user)) { MessageBox.Show("借车成功!"); } else { MessageBox.Show("此车已经借出,不能再借!"); } }
private void frmStart_FormClosing(object sender, FormClosingEventArgs e) { BikesHistory.SaveHistory(); }
private void frmStart_Load(object sender, EventArgs e) { BikesHistory.ReadHistory(); }