Topic profile page for LINQ.
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Topic "Linq" was discussed 11,075 times on 716 sites in last 3 months
Started 1 day, 13 hours ago (2009-12-01 02:48:00)
by jeffersante
I'm using LINQ to SQL in a WPF project and need to send a summary email once a week. I'm running into problems with the following code: Dim _dc As DataClasses1DataContext = New DataClasses1DataContext() Dim empls = From emp In _dc.Employees Select emp Dim startOfWeek = DateTime.Now.Subtract(TimeSpan.FromDays(7)) Dim summaries = From d In _dc.view_...
Started 1 day, 14 hours ago (2009-12-01 01:08:00)
by code_warrior
Hi friend, If i have the choice of using LINQ and SQL queries which one should i use to contribute to increase the performance of the application? cheers
Started 1 day, 19 hours ago (2009-11-30 20:44:00)
by damianrflynn
Hello, I have a generic list object filled with account names: private List accountNamesChecked I want to use LINQ to sum the current allocations of each account in 'accountNamesChecked' based on the contents of the following list: private List accountNamesAndAllocations The list 'accountNamesAndAllocations' contains a number of instances of the following ...
Started 2 days, 2 hours ago (2009-11-30 13:41:00)
by allmhuran
Preface: I looked for an appropriate LINQ board, but this is not specifically about LINQ to Entities or LINQ to XML, its just about LINQ to simple in memory objects. If there's a better place I won't be offended if someone suggests it. Say I have a class containing a row of denormalized data, like so: Class RecipeRow { public string recipeName; public string instructions; public ...
Started 2 days, 5 hours ago (2009-11-30 10:48:00)
by kinl99
Hi, I`m trying to bind a Linq-to-Sql-Query to a dataGridView var ma_fest = from m in db.Table where m.Field != "string" select m; Everythings been working fine so far, but if I change my query to var ma_fest = from m in db.Table where m.Field != "string"...
Started 2 days, 5 hours ago (2009-11-30 10:15:00)
by Ishteyak ahmad
Can some one give me VB Equivalent of C# code which is there in this site: http://blogs.msdn.com/lukeh/archive/2007/10/01/tak ing-linq-to-objects-to-extremes-a-fully-linqified- raytracer.aspx
Started 2 days, 8 hours ago (2009-11-30 07:19:54)
by imperialx
Hello, Why I'm getting this overload error "Overload resolution failed because no accessible 'Where' can be called with these arguments:" when using the Where clause in LINQ. Dim sports = From sportAttire In _dbSportsAttire _ Select New With { _ .Id = sportAttire.spID } For x As Integer = 0 To 3 Dim spID As Integer = x ...
Started 4 days, 5 hours ago (2009-11-28 10:27:35)
by meegho
I'm new in using LINQ and I need to solve the following case or I don't know may be I need to change my hole approach I have 2 entitie Partener and Customer on my DB. Customer has a FK from Partner , I dragged them to dbml file then I created my own classes using the DataContext, frist class RepositoryPartner and seconed one RepositoryCustomer which has instance from RepositoryPartner i need ...
Started 5 days, 13 hours ago (2009-11-27 02:48:00)
by ywndotno
Hi I am fairly new to asp programming and having a headache with this Linq query: I'm trying to get the average price from a list of prices: from (THIS SHOULD BE A LINK) MSDN: How to: Count, Sum, or Average Data by Using LINQ (Visual Basic) I understand i have to write the code like this: dim averagePrice = Aggregate price In db.items Into Average() I have also tried with: dim ...
Started 1 week, 1 day ago (2009-11-24 04:05:00)
by yns.emre
i want to know how to get linq query to a class property,if i do like this "private IEnumarable query;" it gives error "The type or namespace name 'T' could not be found (are you missing a using directive or an assembly reference?)" what should i do to make a property of linq query in a class ? i dont want a method because i am doing a web control so i should get query from a property...
Started 6 days, 14 hours ago (2009-11-26 01:06:00)
by svmali
Hi All, I just started developing my web application with .net 3.5 and VS 2008.I worked on 2.0 and VS 2005. Can anyone know how can I build the 3-tier approach in .net 3.5 using LINQ.If anyone found a good example of this on net please share. Regards
Started 6 days, 17 hours ago (2009-11-25 22:09:48)
by JBeckton
I have followed this tutorial by Scott pretty much to the T against my own database. http://weblogs.asp.net/scottgu/archive/2007/08/27/ linq-to-sql-part-8-executing-custom-sql-expression s.aspx I am getting an error in my Partial class. The name 'ExecuteQuery' does not exist in the current context. I cannot for the life of me figure out what went wrong. public partial class ...
Started 6 days, 8 hours ago (2009-11-26 07:50:00)
by SkykeN
Hallo, I took over a project from someone and I have to change the database (add columns, add associations,...). Now when I work with linq I make an SQL diagram in SQL first and then make the linq database model so when I change something I just delete the model and let VS automaticly generate a new one with the modifications. But this guy made all connections and so in the LINQ DBML itself so...
Started 6 days, 21 hours ago (2009-11-25 18:18:45)
by eloquera
A new version of the Eloquera database 2.5.0 now supports LINQ http://www.eloquera.com Now you can run the query like this: var movies = from Movie m in db where m.Title == "Joe" orderby m.Year select m; Don't forget, you need Microsoft .NET 3.5 SP1 to run this version of Eloquera Database.
Started 6 days, 9 hours ago (2009-11-26 06:36:00)
by epb1
Hi guys, I use LINQ to SQL and Dynamic Data controls. I have created a partial class that represents a table in my database. The table has three datetime fields (among some other fields that are not relevant in this matter): MyDate, MyDateSet and LastModified. MyDate and MyDateSet are nullable while LastModified is not nullable. MyDate is to be updated by the user while MyDateSet and ...
Started 5 days, 6 hours ago (2009-11-27 09:02:00)
by neeraj_kumar_it
Hi I'm using LINQ to sql var advisorsList = (from rec in aeweb.AutoHarvestFILists join c in CashEdgeList on rec.AdvisorID equals c.CeAssignedID select new { rec.FIName, rec.AutoHarvestFI_ID, rec.AdvisorID }); AdvisorList AdvisorsList = new AdvisorList(); foreach (var a in advisorsList) ...
