Asp.net mvc 5 存在MVC 5隐式转换
我有一个存储库,我正在尝试获取一个查询以传递给控制器Asp.net mvc 5 存在MVC 5隐式转换,asp.net-mvc-5,Asp.net Mvc 5,我有一个存储库,我正在尝试获取一个查询以传递给控制器 public ProjectViewModel SearchContractors(string zip) { var query = (from h in repository.tblHandymen join hc in repository.tblHandyManCoverages on h.handymanID equals hc.handymanID
public ProjectViewModel SearchContractors(string zip)
{
var query = (from h in repository.tblHandymen
join hc in repository.tblHandyManCoverages on h.handymanID equals hc.handymanID
join s in repository.tblServiceRequests on hc.zip equals s.zip
where hc.zip == zip
where h.handymanID == hc.handymanID
where h.status == "Active"
select h
);
ProjectViewModel model = new ProjectViewModel
{
ContractorSearch = query.AsEnumerable()
};
return model;
}
我被困在这里
ProjectViewModel model = new ProjectViewModel
{
ContractorSearch = query.AsEnumerable()
};
错误是存在隐式转换。我试过几件事。没用 您的查询没有返回
ProjectContractorSearchViewModel
对象的集合(它返回的是tblHandymen
的集合)。您需要将结果投影到typeofProjectContractorSearchViewModel
var query = (from h in repository.tblHandymen
.....
).Select(x => new ProjectContractorSearchViewModel
{
someProperty = x.someProperty,
anotherProperty = x.anotherProperty,
....
});
ProjectViewModel model = new ProjectViewModel
{
ContractorSearch = query.AsEnumerable()
};
return model;
您的查询没有返回
ProjectContractorSearchViewModel
对象的集合(它返回的是tblHandymen
的集合)。您需要将结果投影到typeofProjectContractorSearchViewModel
var query = (from h in repository.tblHandymen
.....
).Select(x => new ProjectContractorSearchViewModel
{
someProperty = x.someProperty,
anotherProperty = x.anotherProperty,
....
});
ProjectViewModel model = new ProjectViewModel
{
ContractorSearch = query.AsEnumerable()
};
return model;
ContractorSearch
的类型是什么?public IEnumerable ContractorSearch{get;set;}我的建议是,不要在视图模型中混用数据访问代码。它完全违背了视图模型和关注点分离的目的。我的视图模型没有数据访问代码。不确定您的意思。您的查询没有返回项目承包商SearchViewModel
的集合。您需要将数据投影到类型-var query=(..)。选择(x=>newprojectContractorSearchViewModel{someProperty=x.someValue
ContractorSearch的类型是什么?public IEnumerable ContractorSearch{get;set;}我的建议是,不要在视图模型中混合使用数据访问代码。它完全违背了视图模型和关注点分离的目的。我的视图模型没有数据访问代码。不确定您的意思。您的查询没有返回项目承包商SearchViewModel
的集合。您需要将数据投影到类型-var query=(..)。选择(x=>newprojectContractorSearchViewModel{someProperty=x.someValue代码>