public ActionResult Save(Seminar seminar)
{
bool contain;
if (seminar.Id > 0)
{
//更新
contain = SeminarService.GetAll().Select(s => s.Title).Except(new List <string>()
{
SeminarService.GetById(seminar.Id).Title
}).Contains(seminar.Title);
}
else
{
//添加
contain = SeminarService.GetAll().Select(s => s.Title).Contains(seminar.Title);
}
if (contain)
{
return(ResultData(null, false, $"{seminar.Title} 已经存在了"));
}
var entry = SeminarService.GetById(seminar.Id);
bool b;
if (entry is null)
{
b = SeminarService.AddEntitySaved(seminar) != null;
}
else
{
entry.Description = seminar.Description;
entry.Title = seminar.Title;
entry.SubTitle = seminar.SubTitle;
b = SeminarService.SaveChanges() > 0;
}
return(ResultData(null, b, b ? "保存成功" : "保存失败"));
}
public ActionResult Save(Seminar seminar)
{
if (seminar.Id > 0 ? SeminarService.Any(s => s.Id != seminar.Id && s.Title == seminar.Title) : SeminarService.Any(s => s.Title == seminar.Title))
{
return(ResultData(null, false, $"{seminar.Title} 已经存在了"));
}
var entry = SeminarService.GetById(seminar.Id);
bool b;
if (entry is null)
{
b = SeminarService.AddEntitySaved(seminar) != null;
}
else
{
entry.Description = seminar.Description;
entry.Title = seminar.Title;
entry.SubTitle = seminar.SubTitle;
b = SeminarService.SaveChanges() > 0;
}
return(ResultData(null, b, b ? "保存成功" : "保存失败"));
}
