Articles On Developer Geeks

Agile Development Method: Scrum at a glance

manish_feb24@yahoo.com (Manish Sharma)

What is Scrum?

Scrum is an iterative and incremental agile software development framework for managing software projects and product or application development. Its focus is on a flexible product development strategy where a development team works as a unit to reach a common goal.

Essential Elements of Scrum (Cheat Sheet)

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How to Quickly Create a Copy of a Table using Transact-SQL

manish_feb24@yahoo.com (Manish Sharma)

The easiest way to create a copy of a table is to use a Transact-SQL command. Use SELECT INTO to extract all the rows from an existing table into the new table. The new table must not exist already. The following example will copy the Employees table under the Company schema to a new table called Employees under the Department schema...

How to create REST service with JSON and SOAP API in WCF

manish_feb24@yahoo.com (Manish Sharma)

Introduction

The WCF REST Programming Model provides the required elements to build REST services with WCF. REST services are designed to be accessed by the widest range of possible clients, including Web browsers, using XML/JSON responses.

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Thread Synchronization Essentials in .Net

manish_feb24@yahoo.com (Manish Sharma)

Thread Synchronization Essentials

The following tables summarize the .NET tools available for coordinating or synchronizing the actions of threads:

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How to host WSHttpBinding and NetTcpBinding in a single WCF Service

manish_feb24@yahoo.com (Manish Sharma)

Introduction

Let's jump to implementation.

Implementation

1. Open a new ConsoleApplication in VS .Net IDE. Rename it to "SelfHostWCF".

2. Add a reference to System.ServiceModel dll in the project.

3. Create a ServiceContract Interface and implement the Service class with OperactionContract.

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Software development tools for Managers, Developers, Architects and Testers

genezyl@gmail.com (Gene Zylkusky)

Planning and Implementation Tools

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Version Control and Collaboration Tools

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Testing and Defect Management Tools

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How to read event log and display the content on ASP.NET page

manish_feb24@yahoo.com (Manish Sharma)

Following is the sample code to write to the windows event log and display the contents of user selected windows event log on ASP.NET page.

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How to verify the email address is valid in ASP.NET

manish_feb24@yahoo.com (Manish Sharma)

Introduction

Some times website owners need to allow users to get registered on their website or subscribe to newsletters on their website, by allowing users to provide their email addresses. But how would you verify that the user provided email addresses are genuine and valid, to avoid bounced email messages.

This article will demonstrate how to verify that the email address provided by a user is a valid email address, using a sample code.

Implementation

ASP.NET Provides Built-in DNS Resolving Support. DNS class from System.Net namespace can be used to resolve DNS hostnames into IP addresses. Using this class we could verify email addresses and ensure that the domain name specified by the user actually resolved to an existing domain name.

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How to read an xml file and retrieve xml element values in .Net

manish_feb24@yahoo.com (Manish Sharma)

Introduction

This is a Console application in .Net to read an xml file and retrieve xml element values.

This application will load the xml file from the provided file path, fetch all instances of the provided xml element from the xml file and then write the xml element values in a text file on your hard drive.

Attached are the source code and the EXE for this project for download.

Implementation

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Working with Cookies in ASP.NET

webmaster@developergeeks.com (Brad Stewart)

What is Cookies?

The Cookie is a collection of key/value pairs that hold text values set by a page in a web request. By default, the collection is empty. The cookie contains information the Web application can read whenever the user visits the website.

Following are few examples of how to work with Cookie collections in ASP .Net web applications.

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How to return last inserted IDENTITY column value in SQL Server

manish_feb24@yahoo.com (Manish Sharma)

Introduction

Let's briefly see what are the different ways to return last inserted IDENTITY column value in SQL Server:

I am going to introduce you to the following different functions in SQL Server, that could be used to perform this job:

@@IDENTITY - A system function that returns the last inserted identity value.

OUTPUT clause - Returns the last inserted identity column value of a table generated through new identity value, the computed column value or the default value from a default constraint.

SCOPE_IDENTITY - A function that returns the last identity value inserted into an identity column in the same scope, i.e. a stored procedure, trigger, function, or batch.

IDENT_CURRENT - A function that returns the last identity value generated for a specified table or view, for any session and any scope.

MAX - A function that returns the maximum value in the expression or table column.

Now, let's see in detail how these functions could be used with examples.

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Using XML in ASP.NET and C#

manish_feb24@yahoo.com (Manish Sharma)

Content of sample ARTICLE.XML file:

<ARTICLES>
  <ARTICLE>
    <TITLE>Developers Guide To XML</TITLE>
    <AUTHOR id='101' location='St Louis'>Manish Sharma</AUTHOR>
    <AUTHOR id='102' location='Chicago'>Steven Berger</AUTHOR>
  </ARTICLE>
</ARTICLES>

Load xml file in XmlDocument object:

<% @Page language="C#" debug="true" %>
<%@ Import Namespace="System.Xml" %>
 
<SCRIPT runat='server'>
void Page_Load(Object Sender,EventArgs e)
{
  XmlDocument xd = new XmlDocument();
  xd.Load(Server.MapPath("ARTICLES.xml"));
  Response.Write (xd.OuterXml);
  xd = null;
}
</SCRIPT>

Traverse through child nodes using enumerable ChildNodes object:

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Implementing Broadcaster class and IListener interface in WinForm

genezyl@gmail.com (Gene Zylkusky)

Introduction

The Broadcaster class and the IListener interface are used to centralize the sharing of information between objects and the GUI in WinForms. Based on the implementation of the Broadcaster, any class that implements IListener and registers with the Broadcaster is capable of receiving string data sent to the Broadcaster. The following implementation of the Broadcaster class and the IListener interface will demonstrate this method.

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Extending and Combining More Than One Interfaces

webmaster@developergeeks.com (Brad Stewart)

Introduction

Classes can implement more than one interface. Interfaces could also be extended or combined with other interfaces to achieve certain functionality.

It is possible to extend an existing interface to add new methods or members, or to modify how existing members work.

Similarly, you can create new interfaces by combining existing interfaces, and, optionally, adding new methods or properties.

Implementation

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Creating and using Triggers in Oracle PL SQL

webmaster@developergeeks.com (Brad Stewart)

Types of Triggers in PL SQL

There are two types of triggers based on the level it is triggered:

1) Row level trigger - It is triggered for each row updated, inserted or deleted.
2) Statement level trigger - It is triggered for each sql statement executed.

Trigger Execution Hierarchy in PL SQL

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Different ways to sort in .Net

steveholmer@gmail.com (Steve Holmer)

Introduction

This article will demonstrate different types of sorting technique or different ways to sort strings in .Net, using code samples.

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How to write a Generic Type in Delphi

manish_feb24@yahoo.com (Manish Sharma)

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Invoke Select Insert Update Delete TSQL Operations in Delphi

manish_feb24@yahoo.com (Manish Sharma)

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How to serialize or de-serialize an object using BinaryFormatter class in .Net?

manish_feb24@yahoo.com (Manish Sharma)

How to serialize or de-serialize an object using BinaryFormatter class?

You can serialize or de-serialize an object using the Serialize or the Deserialize method of the BinaryFormatter class.

Implementation

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Introduction to the DNA Programming Model

manish_feb24@yahoo.com (Manish Sharma)

Introduction

In the late 1990s, Microsoft attempted to bring some order to Internet development with the concept of Windows DNA applications. DNA consists of a standard three-tier development based on the presentation layer, business objects in a middle layer, and a relational data store and engine in the bottom layer.

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Presentation Tier

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