private void BtnDel_Click(object sender, EventArgs e)
{
var current = 源房缴费明细BindingSource.Current;
if (current != null)
{
//因为绑定数据源和context 之间没有消息订阅，所以必须手动删除对应项。
源房缴费明细 delItem = (current as ObjectView <源房缴费明细>).Object; //! 注意，这里获取方式有点特别。http://blw.sourceforge.net/
context.源房缴费明细.DeleteObject(delItem);
源房缴费明细BindingSource.RemoveCurrent();
}
CaculateSumMoney();
}
private void kryptonDataGridView1_CellMouseDoubleClick(object sender, DataGridViewCellMouseEventArgs e)
{
//双击，编辑
if (e.Button == System.Windows.Forms.MouseButtons.Left)
{
源房缴费明细 cur = 源房缴费明细BindingSource.Current as 源房缴费明细;
if (cur != null)
{
using (源房缴费Form jf = new 源房缴费Form(cur))
{
jf.ShowDialog(this);
}
}
}
}
private void btnOK_Click(object sender, EventArgs e)
{
源房缴费明细BindingSource.EndEdit();
var changes = Main.context.ObjectStateManager.GetObjectStateEntries(EntityState.Deleted | EntityState.Modified);
if (changes.Count() > 0)
{
//校验
StringBuilder sb = new StringBuilder();
Dictionary <Guid, string> errors = new Dictionary <Guid, string>();//记录错误的ID号，和对应错误信息。
foreach (ObjectStateEntry change in changes)
{
//校验每一条更改的实体，最后联合显示错误信息。
源房缴费明细 entity = change.Entity as 源房缴费明细;
string result = entity.CheckRules();
if (!string.IsNullOrEmpty(result))//证明有错误
{
string err = string.Format("-----[{0}][{1}][{2}]：该记录有误-----\r\n{3}",
entity.源房.房名, entity.缴费时间.ToShortDateString(), entity.缴费项, result);
sb.Append(err);
errors.Add(entity.ID, err);
}
}
if (!string.IsNullOrEmpty(sb.ToString()))
{
highLightRow(errors);//高亮错误行
KryptonMessageBox.Show(sb.ToString(), "数据校验失败");
return;
}
string msg;
if (Helper.saveData(Main.context.源房缴费明细, out msg))
{
KryptonMessageBox.Show(msg, "成功保存");
Close();
}
else
{
KryptonMessageBox.Show(msg, "失败");
}
}
else//未做更改
{
Close();
}
}
private void 缴费Form_Load(object sender, EventArgs e)
{
Text = string.Format("源房缴费[{0}]", isNew? "新增":"编辑");
源房BindingSource.DataSource = 源房.GetYF(context).Execute(MergeOption.NoTracking);
if (isNew) //新增
{
BtnOkAndContinue.Visible = true; //保存并继续按钮可见
payDetail = new 源房缴费明细();
payDetail.源房ID = this.yfID;
context.源房缴费明细.AddObject(payDetail);//此操作后可实现外键同步
}
else//编辑
{
//cmbYF.SelectedValue = payDetail.源房ID;//已经直接绑定了
}
源房缴费明细BindingSource.DataSource = payDetail;
}
private void BtnOkAndContinue_Click(object sender, EventArgs e)
{
源房缴费明细BindingSource.EndEdit();
string check = payDetail.CheckRules();
if (!string.IsNullOrEmpty(check))
{
KryptonMessageBox.Show(check, "数据校验失败");
return;
}
#if DEBUG
System.Diagnostics.Debug.Assert(isNew);//只有新增状态才有此按钮
#endif
string msg;
if (Helper.saveData(context, payDetail, out msg))
{
KryptonMessageBox.Show(string.Format("成功新增缴费信息。您可以继续添加！"), "成功新增缴费信息");
if (this.Owner is Main)
{
(this.Owner as Main).RefreshAndLocateTree(payDetail.源房);//刷新TreeView，并定位到kf节点。
}
源房缴费明细 old = payDetail;
payDetail = new 源房缴费明细();
payDetail.源房ID = old.源房ID;
context.源房缴费明细.AddObject(payDetail);//此操作后可实现外键同步
源房缴费明细BindingSource.DataSource = payDetail;
}
else
{
KryptonMessageBox.Show(msg, "失败");
}
}
public 源房缴费Form(源房缴费明细 payDetail)
{
InitializeComponent();
isNew = false;
this.payDetail = context.源房缴费明细.FirstOrDefault(m => m.ID == payDetail.ID);
}
public 源房缴费Form(源房缴费明细 payDetail)
{
InitializeComponent();
isNew = false;
this.payDetail = payDetail;
}
