问题描述
//code-behind working fine
private void displayUserAndRolesInGrid()
{
using (myDB dataContext = new myDB())
{
var UserRole = (from u in dataContext.aspnet_Users.Include("aspnet_Roles")
from r in u.aspnet_Roles
where r != null
select new { User = u,Role = r }).ToList();
GrdUserRoles.DataSource = UserRole.ToArray();
GrdUserRoles.DataBind();
}
}
但我需要将它放在一个类并返回一个列表,所以我做了以下操作,抛出以下错误(我想我需要以某种方式修改这一行:public List
//in a Class with error
public class UsersClass
{
public List<aspnet_Roles> GetUserAndRoles()
{
List<aspnet_Roles> UserRoles = new List<aspnet_Roles>();
using (myDB dataContext = new myDB())
{
UserRoles = (from u in dataContext.aspnet_Users.Include("aspnet_Roles")
from r in u.aspnet_Roles
where r != null
select new { User = u,Role = r }).ToList();
}
return UserRoles;
}
}
感谢任何帮助。请我坚持这个。
解决方法
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