how to bind the datas in descending order in linq

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How to bind the datas in descending order,actually am using lik this in linq to sql

but its not working , it shows by default , wat shall i do?

C#

var orderItems = from od in db.OrderDetails
                                where od.RestaurantIndex_Id == restaurantOrder.RestaurantIndex_Id  orderby od.OrderIndex_Id descending
                               restaurantOrder.OrderIndex_Id
                                select new
                                {
                                    OrderDetailId = od.OrderDetailId
                                };

Posted 24-Jan-12 20:30pm

priya from Madras

Updated 24-Jan-12 20:36pm

ambarishtv

v2

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4 solutions

Solution 1

try this link it helps you
http://stackoverflow.com/questions/5344805/linq-orderby-descending-query

Posted 24-Jan-12 20:34pm

rockpune

Updated 24-Jan-12 20:53pm

v2

Comments

Anuja Pawar Indore 25-Jan-12 2:54am

Added link

Solution 2

Hi,
try this ...
LINQ orderby on date field[^]

Posted 24-Jan-12 20:38pm

ambarishtv

Solution 4

public DinnerNow.Business.Data.RestaurantOrder[] GetPreOrderDetails(string RestaurantName, string Deliverytype, string restaurantownerid)
{

var orderItems = from od in db.OrderDetails
where od.RestaurantIndex_Id == restaurantOrder.RestaurantIndex_Id orderby od.OrderIndex_Id descending
restaurantOrder.OrderIndex_Id
select new
{
OrderDetailId = od.OrderDetailId
};. Distinct();
return orderitembyrestaurant.ToArray();
}

in the above code can resolve the problem only when the Distict() is not used ,but it display the duplicate value .i cant able to use the both method Distinct() AND OrderByDescending(),Then how should its possible .

Help me

Posted 24-Jan-12 21:01pm

priya from Madras

Comments

priya from Madras 25-Jan-12 6:19am

Again am using lik this but it doesnt display in descending order.

pls Help me , am i wrong ?

public DinnerNow.Business.Data.RestaurantOrder[] GetPreOrderDetails(string RestaurantName, string Deliverytype, string restaurantownerid)
{

var orderItems = from od in db.OrderDetails
where od.RestaurantIndex_Id == restaurantOrder.RestaurantIndex_Id orderby od.OrderIndex_Id descending
restaurantOrder.OrderIndex_Id
select new
{
OrderDetailId = od.OrderDetailId
};. Distinct().OrderByDescending(x=>x.RestaurantIndex_Id);
return orderitembyrestaurant.ToArray();
}

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priya from Madras · Accepted Answer · 2012-01-25T18:02:00

C#

public DinnerNow.Business.Data.RestaurantOrder[] GetPreOrderDetails(string RestaurantName, string Deliverytype, string restaurantownerid)
{ 
    var orderItems = from od in db.OrderDetails where od.RestaurantIndex_Id == restaurantOrder.RestaurantIndex_Id orderby od.OrderIndex_Id descending 
    restaurantOrder.OrderIndex_Id 
    select new 
    {
         OrderDetailId = od.OrderDetailId 
    };. Distinct().OrderByDescending(x=>x.RestaurantIndex_Id); 
    return orderitembyrestaurant.ToArray();
}

its working fine thanks all

[edit]pre tag for C# code added - PES[/edit]