有没有人看到我做错了什么?
ProjectActivityTasks
具有 UnitOfMeasureId
和 ProjectActivityTaskTypeId
。按照它的编写方式,它认为 UnitOfMeasure
转到 ProjectActivityTaskType
。对于 UnitOfMeasure
说
ThenInclude
上出错
ProjectActivityTaskType does not contain a definition for UnitOfMeasure
这是正确的。 UnitOfMeasure
转到 ProjectActivityTasks
。
我引用了这个页面,但它似乎不是这样工作的:https://learn.microsoft.com/en-us/ef/core/querying/related-data
var qry = await _projectActivityRepository.GetAll()
.Include(x => x.ProjectActivityVehicles)
.ThenInclude(x => x.Vehicle)
.Include(x => x.ProjectActivityTasks)
.ThenInclude(x => x.ProjectActivityTaskType)
.ThenInclude(x => x.UnitOfMeasure)
.Where(x => x.Id == Id && x.TenantId == (int)AbpSession.TenantId)
.FirstOrDefaultAsync();
最佳答案
您可以(并且应该)重复 Include(x => x.ProjectActivityTasks)
部分:
var qry = await _projectActivityRepository.GetAll()
.Include(x => x.ProjectActivityVehicles)
.ThenInclude(x => x.Vehicle)
.Include(x => x.ProjectActivityTasks)
.ThenInclude(x => x.ProjectActivityTaskType)
.Include(x => x.ProjectActivityTasks)
.ThenInclude(x => x.UnitOfMeasure)
.Where(x => x.Id == Id && x.TenantId == (int)AbpSession.TenantId)
.FirstOrDefaultAsync();
关于c# - EFCore Linq ThenInclude 两个外键到同一个表,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/46506692/