/// <summary>
/// 添加按钮
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnAdd_Click(object sender, EventArgs e)
{
CanteenOrder canteenOrder = new CanteenOrder();
canteenOrder.CanteenOrderKeyID = Guid.NewGuid().ToString();
canteenOrder.CanteenOrderName = txtCanteenName.Text.Trim();
double money = 0;
if (!double.TryParse(txtCanteenOrderMoney.Text.Trim(), out money))
{
MessageBox.Show("订单价格处请输入数字!");
return;
}
canteenOrder.CanteenOrderMoney = money;
int count = 0;
if (!int.TryParse(txtCanteenOrderCount.Text.Trim(), out count))
{
MessageBox.Show("订单数量处青输入数字!");
return;
}
canteenOrder.CanteenOrderCount = count;
CanteenOrderBusinessLogic canteenOrderBusinessLogic = new CanteenOrderBusinessLogic();
if (canteenOrderBusinessLogic.Add(canteenOrder))
{
loadAllCantenOrderData();
MessageBox.Show("添加成功");
}
}
/// <summary>
/// 使用ID查询订单
/// </summary>
/// <param name="CanteenOrderKeyID">订单ID</param>
/// <returns>订单</returns>
public CanteenOrder GetCanteenOrderByKeyID(string CanteenOrderKeyID)
{
CanteenOrder canteenOrder = new CanteenOrder();
canteenOrder = this.canteenOrderDataContextcontext.CanteenOrder.SingleOrDefault(o => o.CanteenOrderKeyID == CanteenOrderKeyID);
return(canteenOrder);
}
/// <summary>
/// 订单修改
/// </summary>
/// <param name="canteenOrder">订单对象</param>
/// <returns>修改是否成功</returns>
public bool Update(CanteenOrder canteenOrder)
{
try
{
this.canteenOrderDataContextcontext.SubmitChanges();
return(true);
}
catch
{
return(false);
}
}
public UpdateCantenOrderForm(string KeyID)
{
InitializeComponent();
CanteenOrderBusinessLogic canteenOrderBusinessLogic = new CanteenOrderBusinessLogic();
CanteenOrderKeyID = KeyID;
CanteenOrder canteenOrder = canteenOrderBusinessLogic.GetCanteenOrderByKeyID(KeyID);
txtCanteenName.Text = canteenOrder.CanteenOrderName;
txtCanteenOrderCount.Text = canteenOrder.CanteenOrderCount.ToString();
txtCanteenOrderMoney.Text = canteenOrder.CanteenOrderMoney.ToString();
}
/// <summary>
/// 添加订单
/// </summary>
/// <param name="canteenOrder">订单对象</param>
/// <returns>添加是否成功</returns>
public bool Add(CanteenOrder canteenOrder)
{
try
{
if (canteenOrder != null)
{
this.canteenOrderDataContextcontext.CanteenOrder.InsertOnSubmit(canteenOrder);
this.canteenOrderDataContextcontext.SubmitChanges();
return(true);
}
else
{
return(false);
}
}
catch
{
return(false);
}
}
/// <summary>
/// 根据订单ID删除订单
/// </summary>
/// <param name="CanteenOrderKeyID">订单ID</param>
/// <returns>删除是否成功</returns>
public bool delete(string CanteenOrderKeyID)
{
try
{
CanteenOrder canteenOrder = this.canteenOrderDataContextcontext.CanteenOrder.SingleOrDefault(o => o.CanteenOrderKeyID == CanteenOrderKeyID);
if (canteenOrder != null)
{
this.canteenOrderDataContextcontext.CanteenOrder.DeleteOnSubmit(canteenOrder);
this.canteenOrderDataContextcontext.SubmitChanges();
return(true);
}
else
{
return(false);
}
}
catch
{
return(false);
}
}
private void btnUpdate_Click(object sender, EventArgs e)
{
CanteenOrderBusinessLogic canteenOrderBusinessLogic = new CanteenOrderBusinessLogic();
CanteenOrder canteenOrder = canteenOrderBusinessLogic.GetCanteenOrderByKeyID(CanteenOrderKeyID);
canteenOrder.CanteenOrderName = txtCanteenName.Text.Trim();
double money = 0;
if (double.TryParse(txtCanteenOrderMoney.Text.Trim(), out money))
{
canteenOrder.CanteenOrderMoney = money;
}
else
{
MessageBox.Show("订单价格处请输入数字!");
return;
}
int OrderCount = 0;
if (int.TryParse(txtCanteenOrderCount.Text.Trim(), out OrderCount))
{
canteenOrder.CanteenOrderCount = OrderCount;
}
else
{
MessageBox.Show("订单数量处青输入数字!");
return;
}
if (canteenOrderBusinessLogic.Update(canteenOrder))
{
MessageBox.Show("修改成功！");
}
}
public bool delete(CanteenOrder canteenOrder)
{
return(canteenOrderDataAccess.delete(canteenOrder));
}
public bool Update(CanteenOrder canteenOrder)
{
return(canteenOrderDataAccess.Update(canteenOrder));
}
public bool Add(CanteenOrder canteenOrder)
{
return(canteenOrderDataAccess.Add(canteenOrder));
}
