Asp.net 存储过程具有void类型,而不是返回所需的结果
这是我的存储过程实现:Asp.net 存储过程具有void类型,而不是返回所需的结果,asp.net,sql-server,linq,stored-procedures,Asp.net,Sql Server,Linq,Stored Procedures,这是我的存储过程实现: ALTER procedure [dbo].[ShowProjectByNameOfPerson] (@name as nvarchar) as begin select Personality.id,COUNT(*) as cnt into #test from Personality,Project,Personal_project where Personality.Id = Personal_project.PersonalityId_FK and P
ALTER procedure [dbo].[ShowProjectByNameOfPerson]
(@name as nvarchar)
as begin
select Personality.id,COUNT(*) as cnt into #test
from Personality,Project,Personal_project
where Personality.Id = Personal_project.PersonalityId_FK
and Project.Id = Personal_project.ProjectId_FK
and Personality.FullName like N'%'+@name+'%'
group by Personality.Id
order by cnt desc
select * from #test,Personality
where #test.id = Personality.id
end
我在ASP.Net项目中创建Linq ToSQL类项,并将过程分配给DBML文件。
但是,当我想在创建上下文实例后使用该过程时,会出现以下错误:
Cannot assign void to an implicitly-typed local variable
No overload for method 'ShowProjectByNameOfPerson'
这是.cs文件中存储过程的调用代码:
DataClassesDataContext db = new DataClassesDataContext();
var lst = db.ShowProjectByNameOfPerson(txt);
我怎样才能解决这个问题
感谢高级版。您对各种t-sql函数类型感到困惑 你想要的是:
create function [dbo].[ShowProjectByNameOfPerson] (@name as nvarchar)
returns table
as return (
select
Personality.Id, Personality.FullName,
COUNT(*) as cnt
from Personality
inner join Personal_project
on Personality.Id = Personal_project.PersonalityId_FK
where Personality.FullName like N'%' + @name + N'%'
group by Personality.Id, Personality.FullName
order by cnt desc
);
请参阅MSDN参考以了解语法变体及其含义:
另外,您应该尽量避免不必要地使用临时表(参见我如何更改代码)。在存储过程中使用“select*”是一种不好的做法。如果表被更改,您的程序将无法了解它,并且将失败。如果您特别调用列,更改不会中断您的程序。您是否在程序中使用可为空的类型化变量?