C# Corner

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  • C# and .NETJan 07, 2002. It is sometimes important to know the details of what the compiler does. You may want to know whether constants are evaluated at compile time, or whether constant strings are folded at compile time.
  • Building applications with DLinq DesignerJul 01, 2006. DLinq designer is the visual design surface to create the entity objects and bound the controls to the dlinq objects with relationships. We can easily create the windows form using the designer. The developer need not take more time to design the User Interface. The designer itself suggests you the controls suitable for the selected fields.
  • Using LINQ in Visual Studio 2005Jul 03, 2006. LINQ (.Net Language Integrated Query) is the general-purpose standard query operators that allow traversal, filter and projection operations to be expressed in a direct yet declarative way in any .Net programming language.
  • .NET Language Integrated Query for XMLJul 17, 2006. This is the overview of .NET Integrated Language Query for XML. This Article explains some of the features of XLINQ with example.
  • Select Items with Where in LINQ and C#Jun 21, 2007. This article shows how to select exact match and in between items from a collection using LINQ and C#.
  • Reading and Writing XML using XLinqJun 21, 2007. XLinq is a new API to work with XML using LINQ. XLinq is more flexible, simple, and faster programming model to read, write, manipulate, and traverse XML documents.
  • Think in LINQ: Yahtzee Score Calculator Using LINQ TechnologyJul 23, 2007. This article revisits the yahtzee program I wrote in 2002 and reimplements scoring using LINQ technology. It compares the old way of scoring with LINQ and shows you the advantages of using LINQ.
  • Data Binding using LINQ to SQL in C#Aug 09, 2007. LINQ to SQL allows developers to work with databases using LINQ. This article discusses how to get, add, update, and delete data in a DataGridView control using LINQ to SQL.
  • Database and SQL Server FAQ: Part IDec 31, 2007. This article is a primer on databases and Sql Server. Similar to a FAQ, it is written with questions that could potentially be asked in a job interview.
  • Chapter 1: Introducing ASP.NetJan 07, 2008. This article tells the features and frills of Asp.Net 3.5 and .Net framework.
  • Functional Programming in C#: CurryingJan 13, 2008. Currying is a way to re-write a function with multiple arguments in such a way as it can be called as a chain of functions each with a single argument. This article covers using a few simple utility methods you can use to curry your methods.
  • Functional Programming with C#: Lazy CalculationJan 20, 2008. I ran across Mike Gold’s nice algorithm for finding primes using LINQ syntax and thought I’d use his idea as a base from which to demonstrate one of the more subtle features in functional programming: lazy calculation.
  • Chapter 1: Hello LINQFeb 06, 2008. This is an exert from Joseph C. Rattz, Jr.'s book Pro LINQ. Here you learn how to use Linq in your application and also depicts the benefits of using Linq.
  • Using LINQ to Objects in C#May 26, 2008. This article provides an introduction to employing LINQ to Objects queries to support a simple win forms application; the article addresses the construction of LINQ to Objects statements and then goes on to describe how one might use LINQ to Objects within the context of an actual application.
  • Convert a LINQ Query Resultset to a DataTableJun 24, 2008. After a long struggle I find out the way to convert a Linq Query resultset to DataTable object. The attached source code shows how to do it.
  • Cascading Deletes in LINQ to SQLJul 03, 2008. This article will discuss alternative methods for performing cascading deletes using LINQ to SQL. Cascading delete refers to the action of removing records associated by a foreign key relationship to a record that is the target of a deletion action.
  • Generic Data Access using LINQ to SQL and C#Jul 22, 2008. This article discusses the construction of a generic data access layer built on top of a LINQ to SQL implementation.
  • SQL Server Stored procedures and UDF within LINQ context-PartIISep 03, 2008. In the first article, SQL Server Stored procedures and UDF within LINQ context-Part I, I exposed 2 scenarios of how to deal with stored procedures using LINQ, in this second part, I will accomplish the task by demonstrating how to call a user defined function UDF using the same way adopted in the first part.
  • SQL Server Stored procedures and UDF within a LINQ context-Part ISep 04, 2008. In this two parts particle, I will give techniques of how to deal with stored procedures and user defined functions UDF from within a LINQ context rather than ADO.Net.
  • Silverlight Tutorial: Creating a data centric Web Application with DataGrid, LINQ, and WCF Web ServiceSep 15, 2008. This step-by-step tutorial is a guide for creating a silverlight Web application capable of submitting and retreiving data from a database.
  • LinqDataSource Control in ASP.NET 3.5Sep 16, 2008. This article shows that how to use LindDataSource Control in ASP.NET 3.5.
  • Secrets of Extension Methods: Part IIDec 23, 2008. This article explains how Extension Methods are used in LINQ.
  • (WPF) Windows Presentation Foundation - FAQJan 02, 2009. In this section we will make a quick walkthrough of WPF which will help you understand WPF instantly.
  • Windows Communication Foundation(WCF) FAQ: Part IJan 02, 2009. WCF is a part of .NET 3.0.“. WCF is a unification technology, which unites the following technologies like NET remoting, MSMQ, Web services, COM+.
  • Windows Workflow Foundation(WWF) - FAQJan 05, 2009. In this FAQ we will quickly run through and get a feel of how WWF (Windows Workflow Foundation) will help you in making custom work flows in your project.
  • Agile Development: Part IJan 07, 2009. This article is a quick FAQ of Agile. By reading this you will understand fundamentals of Agile and different ways of implementing Agile.
  • Agile Development: Part IIJan 09, 2009. This article is a quick FAQ of Agile. By reading this you will understand fundamentals of Agile and different ways of implementing Agile.
  • SharePoint Quick Start FAQ: Part IJan 13, 2009. Below is quick start FAQ for people who are new to share point. We will warm up some theory in the first two articles and then do some practical on the same lines.
  • SharePoint Quick Start FAQ: Part IIJan 14, 2009. In the previous session of SharePoint article we had discussed about the basics of SharePoint. In this session we will - create site / site collection, understand the ready made functional reusable modules, learn how we can display a simple page and later apply master pages of SharePoint, host a Inline code and behind code page in SharePoint, understand the concept of features and understand step by step how to enable / disable a feature, how do display a feature in Admin.
  • SharePoint Quick Start FAQ: Part IIIJan 15, 2009. This is my third series of SharePoint Quick Start FAQ. We will cover page templates , page instances , WSS model , understand safe mode processing , deploy custom controls and understand WebParts. So let’s drink the SharePoint wine series by series, slowly , maintain the hangover and enjoy this great product.
  • Caching FAQ's: Part IJan 22, 2009. In this section we will touch base on one of important concepts in .NET Caching.
  • 6 basic steps of how to create a WebPart in SharePointJan 26, 2009. This is beginners tutorial of how to deploy a WebPart in SharePoint. It is a 6 step procedure and this tutorial will walk through the same. In case you are fresher to SharePoint you can read my FAQ articles listed below. I am sure within an hour you can get acquainted to SharePoint and get started.
  • ASP.NET FAQ's: Part IJan 27, 2009. In this article, we will touch base on one of important concepts in ASP.Net.
  • Architecture FAQ for Localization and Globalization: Part IFeb 02, 2009. In this article we will go through a series of FAQ which will give you a quick start on making application multi-language based.
  • ASP.NET FAQ's: Part 2Feb 02, 2009. This is Part 2 of ASP.NET Interview Questions section in this also we will touch base on one of important concepts in ASP. NET.
  • Caching FAQ's: Part IIFeb 02, 2009. This is 2nd part of Caching FAQ's. In this section we will touch base on one of important concepts in .Net Caching.
  • Architecture FAQ for Localization and Globalization: Part IIFeb 03, 2009. This article is Part 2 of "Localization and Globalization" in this we will go through a series of FAQ which will give you a quick start on making application multi-language based.
  • Ajax Quick Start FAQ Feb 04, 2009. This FAQ is like a starter kit. It will help you understand the main aspects of Ajax in a rapid fashion....
  • Using Data in Silverlight 2 Applications - IFeb 05, 2009. In this Article you will learn how to create a data connection, a LINQtoSQL class and a WCF service.
  • SharePoint Quick Start FAQ - Part 4Feb 07, 2009. This is my fourth series of SharePoint Quick Start FAQ. In this series the theme is WebPart , WebPart and WebPart J.  So let’s enjoy the WebPart bonanza.
  • ADO.NET FAQ's: Part IFeb 12, 2009. This is the Part I of ADO.NET. In this section we will touch base on one of important concepts in ADO.NET.
  • ADO.NET FAQ's: Part IIFeb 13, 2009. This is the Part 2 of ADO.NET. In this section also we will touch base on one of important concepts in ADO.NET.
  • SQL Server Compact and LINQFeb 13, 2009. In this article, I will cover how to access data in SQL Server Compact databases (.sdf file) using new development technologies such as LINQ.
  • Service Oriented Architecture (SOA) - FAQ'sFeb 14, 2009. In this article we will discuss abour Service Oriented Architecture (SOA) which is must and essential for every architect.
  • SQL Server - FAQ'sFeb 16, 2009. In this article we will go through the most basic and frequently asked interview questions on SQL Server.
  • Easy LINQ to SQL Based Master-Detail Editor C#Feb 22, 2009. This article describes a simple approach to creating a LINQ to SQL based master-detail view with the ability to save changes made to the data. With practically no coding involved, the application below will allow the user to edit the master record as well as the detail records.
  • LINQ FAQ for Newbie's Mar 05, 2009. In this article we will run through basics of LINQ and then see 5 basic LINQ queries which you will always need in your project for queries. While looking at the basics we will also try to learn what problem LINQ solves from the perspective of middle tier business objects.
  • Windows Presentation Foundation (WPF) Beginners FAQ Mar 13, 2009. In this article we will go through FAQ's from WPF section. We will start first with understanding why WPF..? and later we will create a small sample hello world project for WPF which will make us understand WPF much better.
  • SALT and PEPPER – 3 TIER and LINQMar 26, 2009. There is no pre-requisite (Oh yes even if you do not know LINQ this article will guide you) for this article J what I need from you guys is time to read this article. So block your 10 minutes and rest assured you will understand LINQ in a much better way.
  • Crystal and Reporting Services FAQ - Part 2Apr 03, 2009. This article is the continuation of Crystal and Reporting Services FAQ - Part 1. This FAQ will give you a quick start for two giant reports on Crystal and Reporting Services.
  • SharePoint workflow basicsApr 08, 2009. In this article we will understand the basics of sharepoint workflow , the life cycle of sharepoint work flow and finally we implement a simple work flow using the three-state work flow which is available in share point.
  • SharePoint Quick Start FAQ: Part VApr 09, 2009. This is the 5th tutorial of SharePoint FAQ series. This series will mainly concentrate on custom columns, content types and document list library. I am sure once your read this article your thinking of how SharePoint organizes document centralization will change.
  • Project Management Schedule Management FAQ seriesApr 13, 2009. In this article we will run through a quick FAQ for schedule management of software projects.
  • Windows Communication Foundation FAQ: Part IIApr 16, 2009. In this article, we will run through a quick FAQ for WCF. I am sure after reading this you will get a good understanding of the fundamentals of WCF.
  • WCF Tracing FAQApr 30, 2009. In this article we will look how we can trace and debug information in WCF services. There are some ready made tracelisteners provided by WCF. The base of these ready made trace listeners is .NET trace listener. So we will first understand the basic concept of trace listener and then go through the ready made tracelisteners provided by WCF.
  • 21 Important FAQ questions for WPF and SilverLightMay 17, 2009. This article talks about 21 important FAQ from the perspective of WPF and Silver light. Both of these technologies are connected to a certain extent. This article not only explains the theory aspect of these technologies but also shows small samples for each of them.
  • Project Management Costing - FAQ'sMay 19, 2009. This is a short and sweet FAQ which iterates through the most common metrics which will help you judge your project health.
  • Search and selection of data using LINQMay 27, 2009. In this article I will explain how you can use LINQ, when we should search and select some data according to parameters, defined by users.
  • An Introduction to LINQJun 06, 2009. LINQ stands for Language INtegrated Query. Means query language integrated with Microsoft .NET supporting languages i.e. C#.NET, VB.NET, J#.NET etc. Need not to write\ use explicit Data Access Layer.
  • Parallel Extension to LINQ Jun 18, 2009. This article gives you an idea how to utilize Parallel Extension to Linq or PLINQ.
  • WCF FAQ Part 3 - 10 Security Related FAQJun 23, 2009. In this article we will start with transport and message security understanding. We will then see simple code samples of how to implement transport and message security using WsHTTP bindings. We will also see what is the difference between ‘BasicHttpBinding’ and ‘WsHttpBinding’ with the help of a simple source code. WCF security is a huge topic by itself, but we are sure with this article you will get a quick start of how to go about WCF security.
  • Silverlight FAQ part 2 (Animations and Transformations)Jun 23, 2009. This FAQ is completed dedicated to animations and transformations using Silverlight. The tutorial starts with animation basics like timelines and storyboard. Later the article moves ahead to talk about different animations supported and we finally end the tutorial with a simple rectangle animation.
  • SilverLight FAQ's - Part 3Jun 25, 2009. This article discusses 12 FAQ’s which revolve around bindings, layouts, consuming WCF services and how to connect to database through SilverLight.
  • One-Many and One-One relationship using LINQ to SQLJul 03, 2009. In this article we will start with a basic LINQ to SQL example and then see how we can implement one-many and one-one relationship using ‘Entityref’ and ‘EntitySet’. We have also attached a source which demonstrates the same in a practical manner.
  • Simple 6 steps to use stored procedure in LINQJul 08, 2009. This is an extremely small article which describes how to flourish LINQ objects using stored procedure. What provoked me to write this article is the ‘ExecuteMethodCall’ function which helps to execute stored procedures in LINQ. As this is a protected function it changes the way you architect the DAL using ‘DataContext’ class and probably you would like to tweak and consider some options here. You can see more details of it when you read through the steps below. I am writing a huge series of LINQ FAQ and these small articles form small sprints to complete the huge FAQ series. I hope you enjoy it.
  • CRUD operations using LINQ EntitiesJul 12, 2009. This is a pretty simple tutorial dedicated to LINQ newbie’s who want to learn how to do CRUD operations using LINQ entities. I am sure many experienced LINQ players would criticize me for such a mild article.
  • LINQ FAQ for Newbie's Jul 13, 2009. In this section we will run through basics of LINQ and then see 5 basic LINQ queries which you will always need in your project for queries. While looking at the basics we will also try to learn what problem LINQ solves from the perspective of middle tier business objects.
  • LINQ FAQ Part 2Jul 14, 2009. This FAQ article is dedicated to LINQ to SQL. In this article we will see a basic example of LINQ to SQL, how to define 1-1 and 1-many relationship using LINQ, how we can optimize LINQ queries, execution of stored procedures using LINQ and finally we will see a simple CRUD example using LINQ to SQL. For past some days I was running small sprint to complete this marathon I hope you will like this article.
  • How to improve your LINQ query performance by 5 X times ?Jul 17, 2009. LINQ has been criticized by many early adopters for its performance issues. Well if you are just going to drag and drop using DBML code generator I am sure you will land up in to mess. Try doing this make a simple LINQ to SQL project using DBML and see your SQL profiler, I am sure you will never like to touch DBML code generator again. In this article we will first look in to how LINQ queries are executed, and then we will touch base on how compiled LINQ queries can help us improve our application performance at least 5 times. My numbers can be 10% up and down as I had come to that figure using my environmental situations.
  • How to handle concurrency in LINQ to SQLJul 20, 2009. In this article we will touch base some important concepts of handling concurrency in LINQ to SQL.
  • XML Diff and Patch using LINQ to Xml and LINQ to ObjectsJul 26, 2009. This article focuses on working with XML and how to get best out of LINQ to XML and LINQ to Objects. Focus of this article is to you show the power of LINQ to Xml and get you started on LINQ with practical examples.
  • Migration strategy for simple .NET classes to LINQ classesJul 27, 2009. This article will focus on how we can convert simple existing .NET classes in to LINQ enabled classes.
  • Introduction To linqJul 29, 2009. This article is a basic introduction to LINQ.
  • Creating and Saving XML Tree Using LINQ to XMLJul 30, 2009. This article explains how to create a XML Tree using LINQ. This will explain the Functional Construction way to create a XML tree.
  • Using partial class, when working with LINQ to SQL Stored ProceduresJul 30, 2009. In this article I will explain how you can combine using of your own classes to DataContext (dbml file) and partial DataContext class, when working with LINQ to SQL Stored Procedure.
  • LINQ FAQ Part3Aug 01, 2009. This is the third series in my LINQ FAQ series. In this series we will cover LINQ FAQ’s related to concurrency handling, compiled queries, CRUD implementation and mapping simple .NET classes with XML file configuration. I love to write articles in FAQ format for the only purpose that they are to the point and you can get to know more by reading less.
  • How to create 3 tier application using LINQAug 03, 2009. This article describes how to create 3 tire architecture project in LINQ to SQL.
  • Azure FAQ: Part IAug 03, 2009. Different people have different obsessions and I have this stupid obsession of writing articles in FAQ formats :-) . The more I try to write articles in normal format I end up with a FAQ. My only thought process of writing articles in FAQ format is that we end up talking to the point rather than talking about trees and rivers , many may disagree.
  • WCF FAQ: Part 5 - TransactionsAug 09, 2009. This is my 5th WCF FAQ article. This article is completely dedicated to WCF transactions. In this article we will understand the WCF transaction protocol, two phases in WCF transaction, transaction options and finally end up with simple sample for WCF transaction.
  • Gridview paging and multiple row delete using checkboxAug 14, 2009. This article describes how to bind GridView using LINQ, dynamic paging and how to delete multiple rows using checkbox selection.
  • LINQ Deferred ExecutionAug 24, 2009. In this article we will see how LINQ defers the execution of the query till you request the results. Plus, learn how to execute the query immediately.
  • Best Practice No 4:- Improve bandwidth performance of ASP.NET sites using IIS compressionSep 16, 2009. Bandwidth performance is one of the critical requirements for every website. In today's time major cost of the website is not hard disk space but its bandwidth. So transferring maximum amount of data over the available bandwidth becomes very critical. In this article we will see how we can use IIS compression to increase bandwidth performance.
  • ASP.NET MVC Web Application Using LINQ to SQL ClassesOct 11, 2009. This article will demonstrate how to use an ASP.NET MVC Web Application using LINQ to SQL Classes.
  • .NET 4.0 FAQ: Part I - The DLROct 13, 2009. In this section we will look in to new features provided by .NET 4.0 framework. We have a glance on some important features, DLR, subsystems of DLR, dynamic object and expand objects.
  • Introduction to LINQ, Extension methods and Lambda ExpressionsOct 18, 2009. This article is an introduction of LINQ, Extension methods and Lambda Expressions. In my following articles, I will delve into more details.
  • Show/Delete/Edit data in WPF DataGrid using LINQ to SQL ClassesOct 29, 2009. This article will demonstrates how to Show, Delete, and Edit data in WPF Data Grid using LINQ to SQL Data Classes.
  • Using PLINQ to Improve Learning AlgorithmsNov 30, 2009. PLINQ is a welcome addition to the .NET 4.0 framework, allowing us to operate on collection elements in parallel. This article examines the performance improvements of PLINQ over LINQ when doing heavy calculations on a large collection of genomes in a particular learning algorithm.
  • 12 Important FAQ on VSTS TestingDec 06, 2009. This article has 12 important FAQ which covers unit testing, automated testing, data driven test, LOAD / performance test, code coverage, database testing and ordered testing.
  • GridView using LINQ and Convert datetime to shortdate in LINQ.Dec 30, 2009. In this article you will learn how to create a hyperlink in GridView using LINQ and Convert datetime to shortdate in LINQ.
  • Applications using Linq to SQLJan 10, 2010. In this article, I want to illustrate the principles, techniques and tools to develop applications using Linq to SQL after a deep research on this topic.
  • Binding using LinqDataSource controlJan 31, 2010. In this article, I will explain how to implement data binding techniques in Web applications using Language Integrated Query (Linq) and LinqDataSource control shipped with ASP.NET 3.5.
  • SQL Query Optimization FAQ Part 1 (With video explanation)Feb 02, 2010. In this article we will first try to understand what is a SQL plan, how is it created and then we will move towards understanding how to read the SQL plan. As we read the SQL plan we will try to understand different operators like table scan, index seek scan, clustered scan, RID lookup etc. We will also look in to the best practices associated with clustered and non-clustered indexes and how they function internally. We will practically see how indexed views increase performance and in what scenarios we should use the same.
  • LINQ to SQL in Silverlight 3Feb 16, 2010. In this article we would see how can we use Linq to Sql ORM in Silverlight 3 Application for interactinig with SQL Server Database.
  • Using LINQ, when working with images in Web ApplicationFeb 21, 2010. In this article I will explain how you can use LINQ, when working with images in Web Application
  • LINQ to XML Part 1 - XAttribute ClassFeb 21, 2010. In this article, I will give explanation on XAttribute class. This class is used to construct Attributes in XML Elements.
  • LINQ to XML Part 5: Catching Parsing ExceptionsFeb 22, 2010. This is a very high level article which will explain how to handle exception in parsing XML using LINQ to XML.
  • LINQ to XML Part 3: Functional Construction of XML TreeFeb 22, 2010. This article will give an explanation on how to create a XML tree using Functional Construction method of LINQ to XML.
  • LINQ to XML Part 4: Different way of Parsing string to create XML tree Feb 22, 2010. In this article, I will show different way of parsing string to create XML tree using LINQ to XML.
  • LINQ to XML in Silverlight 3.0Feb 23, 2010. This article will explain how to use LINQ to XML to read data from a XML file and bind that to Silverlight 3.0 DataGrid.
  • LINQ to XML Part 2: (XElement Class)Feb 23, 2010. In this article I describe the XElement class. This class is used to construct XML Elements.

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