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如何将以下SQL语句转换为C#中的LINQ语句?将SQL转换为LINQ
select BLDG_CODE, count(ROOM) "Number of Rooms"
from LOCATION
group by BLDG_CODE;
非常感谢您
如何将以下SQL语句转换为C#中的LINQ语句?将SQL转换为LINQ
select BLDG_CODE, count(ROOM) "Number of Rooms"
from LOCATION
group by BLDG_CODE;
非常感谢您
var query = from l in Locations
group l by l.BLDG_CODE into g
select new {
BLGD_CODE = g.Key,
NumberOfRooms = g.Count()
};
或者,如果你愿意方法语法...
var query = Locations.GroupBy(location => location.BLDG_CODE)
.Select(group => new {
BuildingCode = group.Key,
NumberOfRooms = group.Count()
});
你尝试过什么?这不是*我需要的代码,把它给我*网站... – MarcinJuraszek
我尝试这样做: VAR的查询=从升的位置 选择新 { 编号= f.FID, 名称= f.FLast, 总计= g.Count() }; \t \t \t \t \t \t \t \t query.Dump(); – user3664923
实际上无视这一点,那是错误的。现在就试着写点别的东西。 – user3664923