private void btnDelete_Click(object sender, EventArgs e)
{
TravelRecord record = TravelBindingSource.Current as TravelRecord;
if (record == null)
{
MessageBox.Show("请选择一个记录进行删除");
return;
}
TravelRecordService.Remove(record.TravelRecordId);
QueryAll(CurrentUser);
}
//修改一条出行经历
public static void Update(TravelRecord TravelRecord)
{
using (var entity = new CommunityEpidemicManagementSystemContext())
{
try
{
entity.TravelRecords.Remove(Get(TravelRecord.TravelRecordId));
entity.TravelRecords.Add(TravelRecord);
entity.SaveChanges();
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
}
private void btnEdit_Click(object sender, EventArgs e)
{
TravelRecord record = TravelBindingSource.Current as TravelRecord;
if (record == null)
{
MessageBox.Show("请选择一个记录进行修改");
return;
}
TravelExperienceEdit experienceEdit = new TravelExperienceEdit(record);
if (experienceEdit.ShowDialog() == DialogResult.OK)
{
TravelRecordService.Update(experienceEdit.record);
QueryAll(CurrentUser);
}
}
//添加一条出行经历
public static void Add(TravelRecord travelRecord)
{
//生成一条旅行经历加入数据库
using (var entity = new CommunityEpidemicManagementSystemContext())
{
//在点击事件中创建新对象时，要记得生成一个ID
// string ID = Guid.NewGuid().ToString();
// TravelRecord tr = new TravelRecord(ID,user,resident,departure,destination,dateLeave,dateCome,
// transport,transportNumber,remarks);
try
{
entity.TravelRecords.Add(travelRecord);
entity.SaveChanges();
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
}
}
public TravelExperienceEdit(TravelRecord record) : this()
{
this.record = record;
this.TravelBindingSource.DataSource = record;
}
