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• How can I force NHibernate to hit the database when querying for an entity?

  - by Chris Holmes

  I have a situation where I need NHibernate to ignore its caches and just hit the database because the data has changed (another user on another computer has changed the data). How is this possible? So far I have had no luck. Get, Load, Linq query, doesn't matter. NHibernate is not getting the most recent data.

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• Ado.net entity model problem

  - by ognjenb

  public ActionResult Index() { using (testEntities korisnici = new testEntities()) { my_aspnet_users user = new my_aspnet_users(); user = from i in korisnici.my_aspnet_users select i; return View(user); } } Error: Cannot implicitly convert type…

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• How can I tell if a <script> tag with a given src attribute is present on the page in ASP.net?

  - by Chris McCall

  Like the title says, I'm trying to find out if I need to include a script library that my ASP.net UserControl needs to work. I don't want to include it multiple times per page, but I want my control to be able to be used multiple times on the same page. How can I, in the codebehind of my control, check to see if a given…

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• C# delegates problem

  - by Mick Taylor

  Hello I am getting the following error from my C# Windows Application: Error 1 No overload for 'CreateLabelInPanel' matches delegate 'WorksOrderStore.ProcessDbConnDetailsDelegate' H:\c\WorksOrderFactory\WorksOrderFactory\WorksOrderClient.cs 43 39 WorksOrderFactory I have 3 .cs files that essentially: …

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• How to convert a number to a range of prices

  - by Anon1865

  Hi, I want to calculate the amount to charge my customers, when they buy licenses of my product. I sell it in ranges of licenses: 1-10 : $50/user 11-20 : $40/user 21-30 : $30/user 31-50 : $20/user So when someone purchases 136 licenses, I will charge him: 100 X $20 = $2000 30 X $30 = $900 6 X $50 = $300 How…

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• MSSQL using SSH-tunnel from Visual Studio

  - by pbt

  Hi, I recently contacted a web host regarding support for external database access to a Microsoft SQL Database included in a package they offer. They replied saying that it is only possible with an SSH-tunnel. Is it possible to connect to a MS SQL database in Visual Studio using an SSH-tunnel? It is important for…

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• Divide sequence elements into pairs

  - by alex

  I have a sequence of 16 elements: 1,2,3,..., 16 ( or 2*n elements). Sequence elements always goes from 1 to length(sequence) that is sequence of 4 elements is 1,2,3,4. I want to write an algorithm which divide elements into pairs. For Example, 1-15 2-16 3-13 4-9 5-14 6-10 7-11 8-12 PS: no linq please :)

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• Why GUID is returned as empty?

  - by jess

  Hi, After loading an entity from the database using LINQ-to_SQL,I pass the entity.ID to a method having argument of type GUID.When I access this parameter in the method,I get an empty value,and not the GUID.Why is it so?

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• ado.net data entity problem

  - by ognjenb

  I have this error Cannot implicitly convert type 'System.Linq.IQueryable' to 'Mvc.Models.engineer'. An explicit conversion exists (are you missing a cast?) after write this code engineer Ing = new engineer(); Ing = from j in testPersons.ibekoengineer select j.Name; What is…

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• Which .NET ORM has best support for PostgresSQL database

  - by Marko

  I'm interested to find out which ORM has best support for Postgres SQL database? Does any mapper have, both, LINQ support and ability to generate model from database?

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• How Do I populate Silverlight 4 Charts using aggregate queries in WCF RIA Services?

  - by WebWeaver1021

  I need to get counts to populate charts in Silverlight 4 and I am having a bit of trouble getting data back from my Domain Service mostly because I am not sure how to use aggregate query syntax. Has anyone had any luck populating charts in Silverlight 4 using aggregate (SUM, COUNT, etc) linq queries?

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• WPF Binding to IDictionary<int,MyType>.Values Doesn't Respond to Property Changes?

  - by Phil Sandler

  I am binding a ListView a property that essentially wraps the Values collection (ICollection) on a generic dictionary. When the values in the dictionary change, I call OnNotifyPropertyChanged(property). I don't see the updates on the screen, with no binding errors. When I change the property getter to return…

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• C# 'could not found' existing method

  - by shybovycha

  Greetings! I've been fooling around (a bit) with C# and its assemblies. And so i've found such an interesting feature as dynamic loading assemblies and invoking its class members. A bit of google and here i am, writing some kind of 'assembly explorer'. (i've used some portions of code from here, here and here…

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• Why do some .NET Framework classes not use Generics when they could?

  - by Chris Dwyer

  Example: System.Web.Security.MembershipCollection implements IEnumerable and not IEnumberable<T>. Why doesn't it implement the latter, when it seems that it would be better (e.g. use LINQ)? Or, is it not necessarily better?

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• Can I do an ASP.NET Dynamic Data project against a Sybase database?

  - by theog

  Or must it be a SQL Server database? If I'm reading the documentation right, as long as I use Entity Framework and not Linq to SQL, I can go against a Sybase data source. But I'm not certain...

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• What are some of the must know concepts in ASP.NET?

  - by CodeToGlory

  I am giving a small presentation to a group of Java developers and looking for some core areas to target. Ideally I would like to only talk about the core concepts in ASP.NET. I am coming up with Authentication Session State ASP.NET MVC LINQ (more .net) Any more that I should be considering?

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• Is there any sql interpreter for objects?

  - by Behrooz

  Is there any interpreter that takes a string or even a custom object as input and execute it on my datasource? I cannot use linq to object because query always changes and the report i'm working on, has about 6000 queries which i can reduce to 9 if i find some tool doing that for me. Opensource is very…

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• Ado.net Entities + get table by T

  - by john

  Hi all Is it posible to get a table to do queries on with Ado.net Entities? In linq ou could do DataContext.GetTable.Where...... Thanks in advance

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• Is there a way to parametrize ORACLE 10g SELECT-query with IN-clause (C#/ADO.NET 2.0)

  - by matti

  I saw couple of SO questions (SO) concerning SQL-server. For SQL-server there was no decent solution. All were hacks/workarounds. What about Oracle? Is it same answer (Paremeterizing each value)? Any Oracle example without LINQ would be appreciated (I have .NET 2.0). Thanks & BR -Matti

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• C#: Func<T, TResult> for generic methods

  - by SDReyes

  It is possible to create a Func object what references a generic method? like the LINQ OrderBy: public static IOrderedEnumerable<TSource> OrderBy<TSource, TKey>( this IEnumerable<TSource> source, Func<TSource, TKey> keySelector )

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• Protected Class In C#

  - by ChloeRadshaw

  This compiles well for me - However other people on a different thread are saying that protected classes cannot be declared in c# at top level Is that the case? using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace ConsoleApplication1 { protected class…

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• Hint to MVC view generator for primary key on POCOs

  - by myotherme

  When generating a strongly-typed Index view for my model I always get the following: <%= Html.ActionLink("Edit", "Edit", new { /* id=item.PrimaryKey */ }) %> I am using a POCO class for use with our ORM. As I understand it when using LINQ to SQL the view code will know which field is the…

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• How do I generate Entity Framework 4.0 classes from the command line that have different names than

  - by Josh Kodroff

  I want to generate Entity Framework 4.0 classes from a (legacy) database from a command line, but I have 2 transformations I want: Tables/columns are lowerCamelCase and I want my classes/members to be UpperCamelCase. I want to suffix my classes with "Dto". Any idea how this might be…

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• Hibernate - how to create list of pojos?

  - by AspNewbie

  I am very new to Hibernate. I have MySQL database and mapped pojos. What should I do next? I know little bit LINQ to SQL from .NET, and it generates me List of mapped objects. So basically, what are my next steps after creating POJOS if I want to have List of them and do CRUD…

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• Which is better: Ad hoc queries, or stored procedures?

  - by Will

  Assuming you can't use Linq for whatever reason, is it a better practice to place your queries in stored procedures, or is it just as good a practice to execute ad hoc queries against the database (say, Sql Server for argument's sake)?

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