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Lazy Loading in Windows Forms

Hi, I have a question: can we use the Lazy Loading pattern in Windows application? Appreciate if someone would explain this with some examples. Thanks Jebby Philip

Design Patterns Lazy Loading

Posted 6 days ago by Jebby Philip 50 Community Rank

50 Last reply: 1 day ago by Syed Saqib Ali Tipu 50 Community Rank

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Singleton usage examples?

Can anyone summarize when and where one would (and would not) use Singletons? I am asking because it is said that programmers are overusing Singletons....

Singleton Pattern Best Practices Beginner

Posted 10 days ago by Walt Lynton 122 Community Rank

95.2 Last reply: 1 day ago by Syed Saqib Ali Tipu 50 Community Rank

Views	363
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Nice Gem! Building comma-separated string from IEnumerable

Here is a nice Gem. This extension method will allow you to easily build a comma-separated string from an Enumerable list. For example, if you have a list of Customer objects and you need a comma-separated string o

Extension Methods IEnumerable Comma-Separate

Posted 2 days ago by Walt Lynton 122 Community Rank

95.2

Views	28
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Why are the Patterns Uml diagrams different?

Are the UML diagrams for the Design Patterns the same? For example, the UML diagram for the Iterator Pattern is different from the one at www.dofactory.com. Similarly for the Command Pattern...

UML Design Patterns

Posted 2 days ago by Volkan Genç 50 Community Rank

50 Last reply: 2 days ago by Siva M. 260 Community Rank

99.3

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[Return response] gives me an exception

Folks, I'm stuck with a weird problem, I'm using a pattern from DoFactory's Design Pattern Framework in designing a website connecting to sql server DB, I have an object called PurchaseOrder, I implemented all Pur

Design Pattern Framework

Posted 3 days ago by Thomas Miller 50 Community Rank

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Abstract Factory versus Factory Method

I have been trying to get my head around Factory patterns, particularly Abstract Factory. Can anyone, in a couple sentences, explain the difference between Abstract Factory and Factory Method? Much appreciated.

Abstract Factory Pattern Factory Method Pattern

Posted Feb 17, 2010 by Bogusław Dobrogost 75 Community Rank

93.8 Last reply: 8 days ago by Ashok Gupta 50 Community Rank

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MVC versus MVP for a WinForms app

I am starting up a relatively small project using WinForms. I have been reading up on patterns and MVC versus MVP. I see that MVC is widely used and very populat in Web developmen

MVC MVP

Posted Feb 07, 2010 by Juan F. Perez 90 Community Rank

94.9 Last reply: 11 days ago by Syed Saqib Ali Tipu 50 Community Rank

Views	798
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Generic Dictionary with multiple keys

I am building a caching system that holds among others a list of Users. Sometimes we access the Users by userId (the primary key). Sometimes we access the Users by name (a string) Performance is critical, th

Generics Dictionary C#

Posted 14 days ago by Hans Overkamp 56 Community Rank

91.4 Last reply: 12 days ago by Zac Bai 70 Community Rank

93.0

Views	201
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Singleton as a static class

I was wondering why are Singletons not implemented as a static class with a static public Instance property?

Singleton Pattern Gang of Four

Posted Feb 02, 2010 by Juan F. Perez 90 Community Rank

94.9 Last reply: 13 days ago by Shekhar Kadam 70 Community Rank

93.0

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Is there any way to approve or register new design pattern ?

Last time, in my job I implemented one idea on user interface. And, I am thinking that is a good way to achieve such kind of goal. So I am trying to convert that idea into design pattern and I think this is not implemented yet. Bu

Design Patterns

Posted 14 days ago by Rukesh Shrestha 50 Community Rank

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Dynamic LINQ solution?

In our app we have a situation where the users can select from numerous criteria and get back a subset of a large number of documents. Also, supported are pagination and sort order. Criteria may incl

LINQ to SQL LINQ to Entities SQL Server

Posted 25 days ago by Craig Johnston 70 Community Rank

93.0 Last reply: 23 days ago by Aaron Burton 170 Community Rank

95.6

Views	502
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ASP.NET MVC meta tags

I am working with ASP.NET MVC and need a way to programmatically set a page's meta tags (title, description, keywords). I can pass ViewData, but it should handle cases where I don't need keywords or description (which is

ASP.NET MVC

Posted 25 days ago by Christopher Ronny 50 Community Rank

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Html.ActionLink and class attribute

How do I set the class attribute in Html.ActionLink. When I include for htmlAttributes: new { class = "border" } I get a compiler error. This is the full line: <% = Html.ActionLink("TextLink", &quo

ASP.NET MVC ActionLink

Posted 29 days ago by Deshaun Hyram 65 Community Rank

92.7 Last reply: 26 days ago by Andrey Lesch 70 Community Rank

93.0

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Entity Framework 4.0 or LINQ-to-SQL

One of our clients wants us to evaluate the best option: move to Entity Framework 4.0 or LINQ-to-SQL (for when Visual Studio 2010 is out). We have some experience with LINQ-to-SQL, which we reall

Entity Framework LINQ to SQL

Posted 26 days ago by Humbert Addison 50 Community Rank

Views	392
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MVVM vs MVC and MVP patterns

Can anyone explain what the MVVM pattern is compared to the existing patterns as well as reasons to use one over the other?

MVVM MVP MVC

Posted Feb 17, 2010 by Darrell G. 50 Community Rank

50 Last reply: 27 days ago by Albert Hickman 250 Community Rank

96.9

Views	832
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Sorting Numeric Text

I have found this useful for when I need to sort names that begin with numbers.

C# LINQ Extension Methods

Posted Feb 06, 2010 by Aaron Burton 170 Community Rank

95.6 Last reply: 27 days ago by Pav Lik 55 Community Rank

91.2

Views	495
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Release date of Visual Studio 2010

What is the official release date is for Microsoft Visual Studio 2010?

Visual Studio 2010

Posted Feb 08, 2010 by Walt Lynton 122 Community Rank

95.2 Last reply: Feb 17, 2010 by Bogusław Dobrogost 75 Community Rank

93.8

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ASP.NET MVC client custom validation

Something I have not seen is a (client side) validator that hits the database to check the name is unique. A common scenario is where a user is registering and the username must be unique in the user table. Anyone

ASP.NET MVC Validation

Posted Feb 17, 2010 by Hans Overkamp 56 Community Rank

91.4

Views	256
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Singleton pattern and DB Connection

Is it best to use the Singleton Design Pattern for database connections in web development? If not what is the best way to do it?

Data access Singleton Pattern

Posted Feb 02, 2010 by Madeshwaran M. 50 Community Rank

50 Last reply: Feb 16, 2010 by Gulab Chand Tejwani 250 Community Rank

96.9

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ASP.NET MVC project structure

My team is migrating over from ASP.NET WebForms to ASP.NET MVC. Our Visual Studio solution would exist of the following projects: ASP.NET Web App Service Layer Business Layer D

ASP.NET MVC Architecture

Posted Feb 07, 2010 by Walt Lynton 122 Community Rank

95.2 Last reply: Feb 16, 2010 by Dariusz K. 50 Community Rank

Views	649
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ASP.NET AJAX versus jQuery

We are looking into moving our web app to Web 2.0, i.e. lots of interactivity with Ajax. It seems that Microsoft is supporting two separate libraries ASP.NET AJAX and jQuery. Why

ASP.NET AJAX jQuery

Posted Feb 08, 2010 by Humbert Addison 50 Community Rank

50 Last reply: Feb 15, 2010 by Siva M. 260 Community Rank

99.3

Views	665
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ASP.NET WebForms versus ASP.NET MVC

This is not so much a critique on a project but more of a reflection on the ongoing discussions between the above-mentioned ASP.NET platforms. After reading Scott Gu's b

ASP.NET WebForms ASP.NET MVC Microsoft

Posted Feb 11, 2010 by Hans Overkamp 56 Community Rank

91.4 Last reply: Feb 15, 2010 by Siva M. 260 Community Rank

99.3

Views	438
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Looking for suggestions: what is the best Mocking package for .NET?

I am diving deep into unit testing, mocking, stubbing, IOC, and everything that goes with it. I am looking for some guidance from those who are using these tools 'in the field.'&n

Mocking Moq Rhino Mocks

Posted Feb 13, 2010 by Hans Overkamp 56 Community Rank

91.4

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Silverlight Design Patterns in Design Pattern Framework 3.5?

Are there any Silverlight Patterns in the Design Pattern Framework?

Silverlight Design Pattern Framework

Posted Feb 08, 2010 by Bogusław Dobrogost 75 Community Rank

93.8 Last reply: Feb 12, 2010 by Michael Thomas 80 Community Rank

94.5

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Help, my boss wants to move to Ruby on Rails

We have several classic ASP websites. Now, my boss & IT guys want to migrate these over to Ruby on Rails. My preference would be to go to ASP.NET MVC. Can anyone help me build a lis

ASP.NET MVC Ruby on Rails

Posted Feb 08, 2010 by Deshaun Hyram 65 Community Rank

92.7 Last reply: Feb 11, 2010 by Aaron Burton 170 Community Rank

95.6

Views	464
Replies	3
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Difference between Multi-Tier and Multi-Layer?

Can anyone explain what the difference is between a Multi-Tier and Multi-Layer architecture? My understanding is that one is logical the other is physical.

Multi Tier Multi Layer

Posted Feb 05, 2010 by Sean Healy 260 Community Rank

99.3 Last reply: Feb 06, 2010 by Uday Shastri 50 Community Rank

Views	645
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