//删除
public static void Remove(string task_id)
{
using (var entity = new CommunityEpidemicManagementSystemContext())
{
try
{
AdministratorTask task = Get(task_id);
entity.AdministratorTasks.Remove(task);
entity.SaveChanges();
}
catch (Exception ex)
{
string errorInfo = ex.Message;
if (ex is DbEntityValidationException)
{
foreach (var validationResult in ((DbEntityValidationException)ex).EntityValidationErrors)
{
foreach (var error in validationResult.ValidationErrors)
{
errorInfo = $"{errorInfo}" + "\n" + $"{error.ErrorMessage}";
}
}
}
throw new ApplicationException("删除时出错！\n" + $"{errorInfo}");
}
}
}
//新增
public static void Add(AdministratorTask task)
{
using (var entity = new CommunityEpidemicManagementSystemContext())
{
if (Get(task.AdministratorTaskId) != null)
{
throw new ApplicationException("已经存在！");
}
try
{
entity.AdministratorTasks.Add(task);
entity.SaveChanges();
}
catch (Exception ex)
{
string errorInfo = ex.Message;
if (ex is DbEntityValidationException)
{
foreach (var validationResult in ((DbEntityValidationException)ex).EntityValidationErrors)
{
foreach (var error in validationResult.ValidationErrors)
{
errorInfo = $"{errorInfo}" + "\n" + $"{error.ErrorMessage}";
}
}
}
throw new ApplicationException("添加时出错！\n" + $"{errorInfo}");
}
}
}
private void btnCancel_Click(object sender, EventArgs e)
{
AdministratorTask administratorTask = AdministratorTaskBindingSource.Current as AdministratorTask;
if (administratorTask == null)
{
MessageBox.Show("请选择要删除的任务");
return;
}
else
{
AdministratorTaskService.Remove(administratorTask.AdministratorTaskId);
QueryAll();
}
}
private void btnComplete_Click(object sender, EventArgs e)
{
AdministratorTask administratorTask = WorkerTaskBindingSource.Current as AdministratorTask;
if (administratorTask == null)
{
MessageBox.Show("请选择要完成的任务");
return;
}
else
{
administratorTask.State = TaskStatus.Finished;
QueryUnFinished(CurrentWorker);
}
}
private void btnEdit_Click(object sender, EventArgs e)
{
AdministratorTask administratorTask = AdministratorTaskBindingSource.Current as AdministratorTask;
if (administratorTask == null)
{
MessageBox.Show("请选择一项任务进行修改");
return;
}
else
{
AdministratorTaskAdd addAdministratorTask = new AdministratorTaskAdd(administratorTask);
if (addAdministratorTask.ShowDialog() == DialogResult.OK)
{
AdministratorTaskService.Update(addAdministratorTask.AdministratorTask);
QueryAll();
}
}
}
public AdministratorTaskAdd(AdministratorTask administratorTask) : this()
{
AdministratorTask = administratorTask;
AdministratorTaskBindingSource.DataSource = administratorTask;
}