Design Pattern questions on 'C#'

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Career path: C# versus VB.NET

Hello, I am coming from an assembly / C background and I am ready to move into building databased business applications in .NET. My plan is to go as far as possible and become an .NET architect ...

Design Patterns C# VB.NET Career Development

Aug 30, 2010 by Henry Wong 69 Community Rank

95.9

Views	106.3K
Answers	9
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When would you use an Abstract class?

Hello everyone, This is probably a very easy question you guys, but when would we need to use an Abstract class? Thank you ...

C# abstract

Feb 02, 2011 by Satya Chauhan 60 Community Rank

95.3

Views	110.7K
Answers	9
Votes	2

camelCase - PascalCase vs. CamelCase - pascalCase

The article on c# coding standards in the reference section of dofactory states: do use CamelCasing for class names and method names. do use pascalCasing for method arguments ...

DoFactory Coding Standards C#

Jul 31, 2010 by Dirk Andries 70 Community Rank

96.1

Views	12.9K
Answers	6
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Iphone App development tools

Hallo All: Please help with what tools I need to create an Iphone application that retrieves real-time sales data from my restaurant database. I am an entry level C# developer.. Thanks so ...

iPhone Tools C#

Feb 06, 2011 by Sam Yonis 60 Community Rank

95.3

Views	15.3K
Answers	5
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Static data access objects variables in ActionService for standalone application

Hi, When the Patterns In Action sample is run a standalone mode, should the Static data access objects variable changed to non static ones? // Create static data access objects private static readonly ...

C# Entity Framework

Mar 09, 2011 by London UK 56 Community Rank

94.9

Views	14K
Answers	5
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PIA: Error in Data Access Layer when using SQLServer.ADONET

Hi all, The Version property (string) comes from a TimeStamp in the SQL Database. The Take() and Make() methods on the CustomerDao class use the extension methods AsByteArray() and AsBase64String() ...

C# patterns in action 4.0 Data Tier

Jul 17, 2012 by Martyn Reid 63 Community Rank

95.7

Views	14.2K
Answers	4
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Logging Control Events in WinForms Application

In a Winforms Application with more than 100 forms a new requirement has come up. Per requirement all the Events (button_Click, text_Changed ...) in any form needs to be logged to a log file. This has to ...

C# Winforms

Jul 17, 2012 by vivekanand Adhikesavan 55 Community Rank

94.7

Views	36.6K
Answers	4
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How to: Deserialization of nested JSON

I am receiving the JSON formatted string from a web service over the Internet. It is roughly formatted like so: { "version" : 2, "query" : "Companies, ...

C# JSON Parsing

Mar 24, 2011 by Leo Benson 122 Community Rank

96.7

Views	25.8K
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What design pattern(s) to use to build a extractor for a flat file based on a specification?

I have a flat file where each row has a specification. Say the first row specification level 100 a header row and all 200s are data rows and level 199 is a file summary. I have created a data table that ...

C# Business Tier Flat File Parser

Jun 16, 2011 by Tony Blogumas 50 Community Rank

50

Views	55.3K
Answers	4
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MVC Example

Hello, I am new to C# , I have heard about MVC pattern. Can some please share with me an MVC C# code sample (basic). I would very much appreciate it. ...

C# MVC Beginner

May 17, 2010 by Ali Momin 60 Community Rank

95.3

Views	5.9K
Answers	4
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reducing sql connections & connection pools

Hi, What is the philosophy with connection pools in do factory? It seems we make a connection on every query. Is there a way to use connection pools? Or is that a bad idea? Is this addressed in the SQL Database ...

C# SQL + Database Pattern Framework

Jan 28, 2016 by Alan Anderson 50 Community Rank

50

Views	5.9K
Answers	3
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C Programming Quiz

1)Who invented the C-programming Language? A) James Gosling B) Dennis Ritche C) Bjarne Stroustrup’s D) Tim ...

C#

Jul 14, 2014 by Rajesh Dhnashire 58 Community Rank

94.9

Views	13.2K
Answers	3
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Singleton Design Pattern

Hello, I have a question about the Singleton design pattern. Is Singleton pattern about maintaining one instance of a class or is it about maintaining one state of a class. What I can think of is ...

C# Design Patterns Singleton Pattern

May 16, 2010 by Ram Pandey 80 Community Rank

96.4

Views	9.8K
Answers	3
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Metadata programming to add Entities and Fields dynamically

Hi, I would like to use the metadata programming so that it is fast to add fields and entities dynamically to the application using C#. Can anybody guide me in that? The admin user should be able to add fields, ...

C# Design Pattern Metadata

Sep 22, 2010 by Satyajit Behera 60 Community Rank

95.3

Views	11.1K
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Why? C# abstract classes without abstract members

I am familiar with abstract classes, interfaces, and the like. What is not clear to me is why anyone would create a C# abstract class that does not have abstract members? (the C# compiler allows this). ...

C# Language abstract

Mar 15, 2011 by Juan Perez 129 Community Rank

96.7

Views	25.4K
Answers	3
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How to build a custom .Net Framework ?

Hi All, Could you please share your thoughts (Guidelines, best practices) to create a custom .Net Framework (preferably C#). Thanks and Regards ...

C# .Net Framework Design Patterns

Feb 28, 2011 by Tarriq Ferrose Khan 90 Community Rank

96.5

Views	13.5K
Answers	3
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Which patterns to use for a Test Automation Framework?

I am writing a Test Automation Framework that involves automating testing a Winforms and WPF based application having 200 screens. The Automation Framework should do the control clicks and screen actions just as a ...

Testing Framework C#

Feb 14, 2011 by Prasenjit Naskar 50 Community Rank

50

Views	36.5K
Answers	3
Votes	2

How do I create a multiple-key dictionary?

Hi: I have a need for a multiple-key dictionary. For example: Dictionary<Key1, Key2, Key3, Value> where Key1, Key2, and Key3 have different type. ...

C# Dictionary Multi Key

Dec 16, 2010 by Zhang Zhao 85 Community Rank

96.4

Views	11.1K
Answers	3
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Which Design Pattern do I need for this?

Hi, I am building a WinForm application. I have a Main Form that contains many many other Forms with the same functionality except the name and the database connection. I don't know how ...

C# .NET 4 Winforms Pattern

Jun 14, 2011 by David Kt 58 Community Rank

94.9

Views	11.4K
Answers	3
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How to control access to Interface implementations

I have a question related to Interfaces. Suppose I have two interfaces (Interface1 and Interface2) and each has three different methods. I am implementing both interfaces in a class named ClassY. My ...

C# Interfaces Implementation

Jun 29, 2011 by Vishal Srivastava 50 Community Rank

50

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Answers	3
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Interpretation Setup Consultation (C#)

Hello. This is my first question ever. Party right here. Now, onto the question! Background information: I am creating a framework for a game. It is a M(ulti) U(ser) D(ungeon) or a text based imagination driven ...

C# Framework Interpretation Gaming

Jul 25, 2011 by Karl Wessels 63 Community Rank

95.7

Views	11.7K
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Two questions: Interface and Encapulation

What qualities a good Interface has??? I have a class which has many properties every member function uses some of these properties. member function signature are as shown Class Signal { ...

Interface Encapulation C# VB.NET

Jul 01, 2012 by Punit Asdf 63 Community Rank

95.7

Views	13K
Answers	3
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What design pattern is best for the following scenario?

I have 3 car rental agencies. Each agency requires the data in XML, but in a different format, for example: Agency 1 <Rental> <Customer> <FirstName>test</FirstName> ...

C# Builder Pattern Interfaces Dependency Injection

Jul 17, 2012 by Xaisoft S 55 Community Rank

94.7

Views	7.8K
Answers	2
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I'm designing an email client using .NET technology and voice recognition. Does anyone know what design pattern to recommend for build these? ...

Email C# .NET 4.0 Pattern

Jul 30, 2012 by Arya Rezza 50 Community Rank

50

Views	9.1K
Answers	2
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Pattern For Online Accounting software?

Hi Every one, I am about to start design an accounting online software using MVC3, Razor, C# 4.0. My Requirements can vary with respect with time, like if I am going to implement the financial accounting features, ...

accounts accounting software C# WCF MVC 3

Aug 15, 2012 by Smoke Pk 50 Community Rank

50

Views	7.9K
Answers	2
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What is the purpose of the Take Method in the Patterns In action ADO.NET data access layer?

Hello, I've just recently purchased the design patterns framework. So far it's looking really good. I'm only just starting to look around it. I'm reading the Getting Started 4.0 PDF at the ...

C# DAO Question

Sep 01, 2012 by Steve Martin 56 Community Rank

94.9

Views	11.1K
Answers	2
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Which pattern to use for the WCF service

Hello I am working on application on where I will make the ajax call to wcf service which will access the database and process business logic and respond with json object, I think you guys are very professional in ...

WCF WCF design patterns to read C# ASP.NET Ajax

Sep 12, 2012 by Imran Khan 50 Community Rank

50

Views	7.5K
Answers	2
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What is the Best Design for Customizable Forms?

Hello Everyone, I am developing a software which must be used for different organizations so some forms must be specially customized for the specific organization. For instance window "A" with datagrid ...

C# WPF Customizable Window Customizable Form

Nov 14, 2012 by Amin Amin 50 Community Rank

50

Views	9.6K
Answers	2
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Private Interface Inheritance

I had a chance to see the following private interface inheritance code. Is this a common practice? Where is this being used? Thanks. interface IAnimal { Eat() } class Dog : IAnimal { void ...

C# Interface Inheritance

Apr 11, 2011 by Jacob Jacob 50 Community Rank

50

Views	11.1K
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Practical use of the "dynamic" C# keyword in Design Patterns

The dynamic keyword is a recent addition to the C# language. I have a gut feel that one or more of the GOF and/or MVC/MVP/MVVM patterns could benefit from its use. Has anyone found a great use of dynamic in ...

Design Patterns dynamic C#

Dec 14, 2010 by Craig Johnston 128 Community Rank

96.7

Views	9.7K
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Why is static not allowed on an Interface?

Hi folks, Could anyone tell me why 'static' is not allowed on an Interface in C#? Thanks, ...

C# Static

Feb 02, 2011 by Satya Chauhan 60 Community Rank

95.3

Views	8.5K
Answers	2
Votes	1

Question: Is there an example for Webservices in Design Pattern Framework 4.0?

Hello, I'm a C# developer but totally new and unexperienced in Webservices, WCF and Silverlight. My Task is to create a Server Application that communicates with a Silverlight Client and later a native Mac Client. ...

C# WCF Web Services

Aug 04, 2010 by Thomas W 60 Community Rank

95.3

Views	21.9K
Answers	2
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Design Pattern for importing data

Which Design Pattern I can use to implement the import of data in different formats, such as, XML, CSV, TXT, XLSX ...

Design Patterns C# Data Import

Jul 29, 2010 by Imran Khan 275 Community Rank

99.7

Views	9K
Answers	2
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Design Pattern - Implementing Roles and Rights

Can anyone please suggest which Design Pattern is best to implement user roles and rights? I am looking for a generic solution in which I define roles and based on that I should be able to define rights at the ...

C# Design Pattern User Management Roles and Rights

May 16, 2010 by Satyajit Behera 60 Community Rank

95.3

Views	14.1K
Answers	2
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How to implement the MVP design pattern in Windows application

Hi All, I have to implement the MVP design pattern for my Windows application. For that I need some samples to implement it including Layers. Can anyone suggest how to do this? Thanks ahead ...

MVP C# Winforms

Jun 13, 2010 by Venkat Damarasing 50 Community Rank

50

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Spark -- Expand Rest Object

Hi All, I've searched the communities all weekend and read the documentation, but still can't get the "expand='querystring'" parameter to work in my call... I have 2 examples that I thought I could get ...

Spark 4.5 C# REST Expand

Mar 28, 2016 by Quan Nguyen 50 Community Rank

50

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Answers	2
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How to handle many-to-many relationships using Spark?

Hi, I am new to Spark so using the Student/Course example in the Spark documentation, where a Student can take any number of courses, and a course can by taken by any number of students, how do you go about ...

C# Spark 4.5

Aug 28, 2015 by Mark Erasmus 50 Community Rank

0

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Working with SQL bit values?

Hi, I am trying to write to a table that includes a bit column. When trying to the initialise the domain object with defaults I am getting the following error: "Object of type 'System.Int32' cannot be ...

C# Spark 4.5

Sep 21, 2015 by Mark Erasmus 50 Community Rank

0

Views	6.2K
Answers	2
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Direct Engineering from UML Diagrams

Hi: I can't find any resource (book, blog, etc.) that explains how to produce C# code from UML Diagrams, manually. I find ways to do it automatically using VS, or other UML Products, but now I'm interested in how ...

UML C#

May 15, 2013 by Rafael Soteldo 50 Community Rank

50

Views	5.7K
Answers	2
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Business Object properties: model as Objects or Enums?

If I want to represent status types ie 1 started 2 inprogress 3 completed etc. I know I can use Enum's in normal code but how should i represent them in the business objects layer, as objects or as enums, I am ...

C# Business Objects Enums

Jun 20, 2013 by ben brown 50 Community Rank

50

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Patterns for Asynchronous Programming?

Do you or anyone have any code samples or patterns for using the new .NET 4.5 Await ...

C# VB.NET .NET 4.5

Aug 12, 2013 by Elliott Ward 256 Community Rank

99.6

Views	6.8K
Answers	2
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SqlMap & Xml (Spark Generator)

I am trying to Generate an entity in my database that contains an Xml column. When I run the Generator I am told that the Xml object does not exist and that I may be missing a using statement. I know that there is ...

Spark 4.5 C# SqlMap XML

Apr 19, 2014 by Jonathan Pickford 50 Community Rank

50

Views	3.5K
Answers	2
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Will the next version of the .NET design pattern framework use Spark, Entity Framework or something else for the DAL?

Will the next version of the .NET design pattern framework use Spark, Entity Framework or something else for the data access ...

C# Data Access Layer Spark Entity Framework

May 24, 2016 by Abdu Bukres 75 Community Rank

96.3

Views	3.7K
Answers	1
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Microsoft Visual studio 2008 C# Framework 3.5

Hello everybody and good day. I have a question for your product "design pattern", i have Microsoft Visual studio 2008 C# Framework 3.5, could i use your product with my specific? ...

Microsoft Visual studio 2008 C# Framework 3.5

Jun 04, 2014 by Cuitlahuac García Togo 50 Community Rank

50

Views	4.1K
Answers	1
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ObserverLogToDatabase and DAL circular reference

Hello, I need to log to both the windows event log and to the database for an application I am building. I have separated the logger to its own project and included it in just about every layer that needs ...

C# DAO Pattern Logging

Mar 07, 2014 by Mr. Query 56 Community Rank

94.9

Views	4.1K
Answers	1
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Spark's Core.cs. Where does sqlSelect get populated

Hi There, I'm busy messing around with Spark. Great job, by the way! I've created my own project and reproduced the required classes and layout but when I call the Single method e.g: var people= ...

C# Spark 4.5

Sep 17, 2013 by Pieter van der Westhuizen 50 Community Rank

50

Views	3.9K
Answers	1
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Execute multiple sql statements

How to execute multiple SQL statements? I want reset user_id column in accounts table. Thanks. public void ResetUserId() { try { string sql = "SET @count= 0; UPDATE accounts SET user_id= ...

C# SQL

Oct 07, 2014 by EDH4 ☺ 50 Community Rank

50

Views	4.5K
Answers	1
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Caching using Singleton pattern

We are planning to implement caching using Singleton pattern. Will that be a best approach. Need advantages and ...

C# Singleton patern

Feb 19, 2015 by Sudheer R 50 Community Rank

50

Views	3.6K
Answers	1
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Series of Add/Subtract/Multiply

Hi , i am building a function , where i get an amount , i need to go to series of seven steps (only 7 not dynamic). Each of this step will do Step1 - add, Step2- ...

C# Patterns

Apr 23, 2015 by Thomson Jacob 50 Community Rank

50

Views	6K
Answers	1
Votes	0

Optimal Design Pattern to generate a file

The process to generate a file is : 1. get header 2. get content 4. generate file 6. download file for exmple, there are two types: 1. txt file 2. xml file the get header function is same. txt file and xml file use ...

C# Design Pattern

Oct 18, 2012 by Oo Hml 50 Community Rank

50

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