将 sql 存储过程转换为 Linq/Lambda
本文关键字:Linq Lambda 转换 sql 存储过程 | 更新日期: 2023-09-27 18:32:23
我有一个存储过程,它显示表菜单中的菜单,然后检查用户类型以根据用户类型更改菜单项的名称。
MenuID,
Case When @UserType <> 'E' and MenuName='Admin' then 'My Profile' When @UserType = 'A' and MenuName='Change Password' then 'Change Agent Password' else MenuName End As MenuName,
ParentID,
MenuLink,
IconImagePath,
MenuTarget
from tblMenus
Where IsDeleted=0 and
IsEnabled=1 and
MenuID in (Select MenuID From #MenuChild)
Or MenuID In(SELECT ParentID FROM #MenuChild t CROSS APPLY dbo.FindRoot2(t.menuid))
Or MenuID = 1 order by MenuOrder, MenuName
我一直在努力将整个过程转换为 linq,现在看起来像这样。
public List<tblMenu> getmainmenusclass()
{
var UserInfo = GetUserInfo();
UserType = UserInfo[0].UserTypeID;
var menus = DataAccess.Menus.FindByExp(x => x.IsDeleted == false).ToList();
if (UserType == "E")
{
menus = DataAccess.Menus.FindByExp(x => x.IsDeleted == false).ToList();
}
if (UserType == "A")
{
var agentDist = GetAgentDistribution();
Distribution = agentDist[0].AgtDistChannel;
if (Distribution == "P" || Distribution == "S")
{
menus = DataAccess.Menus.FindByExp(x => x.IsDeleted == false && x.MenuCategory != "DGB").ToList();
}
if (Distribution == "G" || Distribution == "B")
{
menus = DataAccess.Menus.FindByExp(x => x.IsDeleted == false && x.MenuCategory != "DPS").ToList();
}
if (Distribution == "W" || Distribution == "P")
{
menus = DataAccess.Menus.FindByExp(x => x.IsDeleted == false && x.MenuCategory != "DGB" && x.MenuName != "NEW Quoting Tool").ToList();
}
}
else
{
var notAllowedMenuCategories = new[] { "DPS", "DGB", "D" };
menus = DataAccess.Menus.FindByExp(x => x.IsDeleted == false && !notAllowedMenuCategories.Contains(x.MenuCategory)).ToList();
if (Distribution == "G")
{
var notAllowedMenuCategoriesForG = new[] { "DPS", "DGB", "D", "PB" };
menus = DataAccess.Menus.FindByExp(x => x.IsDeleted == false && !notAllowedMenuCategoriesForG.Contains(x.MenuCategory)).ToList();
}
}
if (MarketingGroup != "BWCU" && MarketingGroup != "''")
{
menus = DataAccess.Menus.FindByExp(x => x.IsDeleted == false && x.MenuName != "NEW Quoting Tool").ToList();
}
return menus;
}
我不确定如何更改最后一点,以便它浏览菜单列表,并根据用户类型将菜单名称从"管理员"更改为"我的个人资料"。
如果我完全
理解你,这是一种方式。
menus = (from p in DataAccess.Menus
where p.usertype == 'A'
select new tblMenu
{ //your properties except name
Name="My Profile"
}).Union(from p in DataAccess.Menus
where p.usertype != "A"
select p).ToList();
根据需要更改用户类型条件。在这个 linq 中,我从DataAccess.Menus
中获取所有元素,如果用户类型为 A,那么我会按照您的要求更改一个属性。然后,我将该结果与所有其他不匹配的元素usertype