实体框架中此UPDATE SQL查询的等价物是什么？

Question

 UPDATE tblNames 
 SET tblNames.firstName = John 
 WHERE tblNames.ID = 1

Answer 1

您可以按照以下方式实现：

using (var context = new DBEntities())
{
    var entity = context.tblNames.FirstOrDefault(x => x.ID == 1); 
    entity.firstName = "John";
    context.SaveChanges();
}