public bool AddUpdateLog()
{
try
{
using (CAIDbContext db = new CAIDbContext())
{
db.UpdateLog.Add(new Enitty.Entities.UpdateLog()
{
Describe = "完整更新",
Time = DateTime.Now,
});
if (db.SaveChanges() > 0)
{
return(true);
}
else
{
return(false);
}
}
}
catch (Exception ex)
{
throw new Exception($"Add update log failed,error msg:{ex.Message}");
}
}
public List <Province> AddRange(List <Province> cities)
{
List <Province> temp = new List <Province>();
if (cities == null || cities.Count == 0)
{
return(temp);
}
try
{
using (CAIDbContext db = new CAIDbContext())
{
using (var trans = db.Database.BeginTransaction())
{
temp = db.Province.AddRange(cities).ToList();
int changeCount = db.SaveChanges();
if (temp.Count == changeCount)
{
trans.Commit();
return(temp);
}
else
{
trans.Rollback();
return(null);
}
}
}
}
catch (Exception ex)
{
throw ex;
}
}
