About LINQ
"Language Integrated Query (LINQ, pronounced "link") is a Microsoft .NET Framework
component that adds native data querying capabilities to .NET languages.
About LINQ Course
To develop database applications in C#, developer must have good understanding of
object oriented programming as well as SQL Queries. The goal of this linq tutorial
is to make the developer proficient enough to use language integrated query as an
alternative to SQL Queries and also to demonstrate how LINQ can be a better way
of handling XML documents. According to Anders Hejlsberg the chief architect of
C#. “Microsoft original motivation behind LINQ was to address the impedance mismatch
between programming languages and database.” The linq tutorial will help the students
to create sql to linq queries in real world database applications. Deccansoft’s
online linq tutorial helps students to frame the queries easily in linq and to deal
with linq efficeintly.
According to Anders Hejlsberg the chief architect of C#. “Microsoft original motivation
behind LINQ was to address the impedance mismatch between programming languages
and database.”
LINQ Course Objectives
At the end of LINQ course, students will be able to:
- Leverage new features of C# 3.0, including extension methods and lambda expressions.
- Use LINQ to filter, sort, and group in-memory collections of objects.
- Create LINQ to SQL queries to execute SQL Server stored procedures and perform updates
in real-world database applications.
- Use LINQ to Entities to write strongly typed queries against the Entity Data Model.
- Detect and resolve concurrency conflicts with LINQ to SQL.
- Execute business logic and perform data validation by hooking into extensibility
points provided by LINQ to SQL.
- Write LINQ to XML queries to search XML documents and save them to the file system.
- Build a real-world n-tier application using WCF and LINQ to SQL.
Prerequisites:
Before joining LINQ course students must have decent knowledge.
LINQ Course Duration:
8 Hours.
LINQ Course Details
- C# Language Extensions in 3.5 (Prerequisite)
- Type Inference
- Object Initializer
- Anonymous Types
- Extension Methods
- Partial Method
- LINQ Architecture & Providers
- Understanding the LINQ Framework
- LINQ Providers
- LINQ to Objects
- IEnumerable and IQueryable
interfaces
- System.Linq namespace
- Query Expressions
- Lambda Expression
- Using Custom Class Collection
- LINQ to SQL
- Defining the Data Model classes
- Using Mapping attributes
- Using the Data Context class
- Defining Relationships using Associations
- Creating a customized Data Context class
- LINQ to SQL Designer (DBML File)
- Performing Add/Edit/Delete/View Operations
- Tracking changes to entities
- Submitting changes
- Concurrency error handling issues
- Join Query
- Validating Entities
- Transaction Handling
- Executing Stored Procedures
- LINQ to XML
- Understanding the LINQ to XML Class hierarchy
- Create an XML document
- Loading existing XML document
- Querying XML using LINQ to XML
- Manipulating XML document using LINQ
- Adding nodes
- Modifying nodes
- Deleting nodes
- LINQ to Dataset
- Querying DataSets
- Querying typed DataSets
- Using LINQ over DataSet with Table Adapter
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