如何使用实体框架更新记录? [英] How to update a record using Entity Framework?

问题描述

如何将这段代码转换为Entity Framework?

How can I convert this code to Entity Framework?

update cachieroperation set last_used = getdate()+'0:8:0' where id = 14

推荐答案

应该是这样的(我不知道您的类叫什么):

Should be something like(I don't know what your classes are called):

using(var context = new SomeEntities())
{
     CarrierOperation carrierOperation = context.CarrierOperations.SingleOrDefault(co=> co.id == 14);
     if(carrierOperation != null)
     {
         carrierOperation.last_used = DateTime.Now.AddMinutes(8);
         context.SaveChanges();
     }
}

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