COURSE FINDER

Advanced VB (Visual Basic), Classes & LINQ

£900 per delegate. This may be less for special offers on specific course dates and in-company training courses

Duration: 3 days

Trainer: S047OW

Need course dates or locations to suit you? CLICK HERE TO SEND ENQUIRY...

Introduction

This advanced Visual Basic course is aimed at two classes of people: those who already know VB6 or VBA, or those who have been on a WPF, ASP.NET or WinForms course and want to learn how to program in more detail. The course assumes delegates know how to declare variables and perform basic coding, and shows how to use LINQ to get data from SQL Server tables, and especially how to create and use classes in VB.

Prerequisites


This advanced Visual Basic Programming course is not suitable for complete beginners with VB (who should attend our two-day VB introduction course instead). Equally, if you can already implement interfaces and play around with polymorphism, this is not the course for you!

Course Contents

Generics

- Using List Of
- Dictionaries
- Lambda functions

Designing classes

- What classes are
- Examples of using classes
- Property or method?

Creating classes

- Instantiating objects
- RO, WO and RW properties
- Creating methods
- Overloading methods

Basic inheritance

Training topicDesigning classes with inheritance
Training topicInheriting a base class
Training topicOverriding methods

Interfaces*

- Interfaces versus inheritance
- Designing an interface
- Implementing interfaces

Basic LINQ syntax

- Creating queries
- Executing a query
- Immediate and deferred execution

Selecting data with LINQ

- The WHERE clause
- Selecting fields
- Using LET for expressions

Advanced LINQ queries

- Grouping data
- Combining with GROUP JOIN
- Aggregating data
- Using SKIP and TAKE

Files and folders

- Customising file dialog boxes
- Using stream readers / writers

LINQ to SQL

- The LINQ to SQL designer
- Creating methods
- The DataContext class
- Lazy and eager loading

Writing LINQ to SQL

- Querying a table
- Updating records
- Inserting data
- Deleting records

Advanced LINQ to SQL

- Calling stored procedures
- Implementing paging with skip/take

Please note that any items marked with a * will be covered if time allows.

Course Times

Usually 9.30am - 4.30pm. Course times will be confirmed in the joining instructions once the course has been booked.
The course either has new dates in data loading, or is only run as a dedicated or In Company course.
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Telephone Hotline

01933 233884

(Monday to Friday - 8:00am to 5:30pm).

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