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Entity Framework Tutorial (Update)

You're reading from   Entity Framework Tutorial (Update) A comprehensive guide to the Entity Framework with insight into its latest features and optimizations for responsive data access in your projects

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Product type Paperback
Published in Aug 2015
Publisher
ISBN-13 9781783550012
Length 274 pages
Edition 2nd Edition
Languages
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Author (1):
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Joydip Kanjilal Joydip Kanjilal
Author Profile Icon Joydip Kanjilal
Joydip Kanjilal
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Toc

Table of Contents (11) Chapters Close

Preface 1. Introducing the ADO.NET Entity Framework FREE CHAPTER 2. Getting Started 3. Entities, Relationships, and the Entity Data Model 4. Working with Stored Procedures in the Entity Data Model 5. Working with Entity Client and Entity SQL 6. Working with LINQ to Entities 7. Working with the Object Services Layer 8. Working with WCF Data Services A. Advanced Concepts Index

Data paging using E-SQL


Data paging is a concept that allows you to retrieve a specified number of records and display them in the user interface. The data is displayed one page at a time. You can use data paging to split the data rendered to the user into multiple pages for faster page downloads, an increase to user interface flexibility, and minimal load on the database server. Paging can be used when the volume of data to be displayed is substantial and you need it to be divided into pages of data records to be displayed more efficiently.

The following statement will return a result set that contains the top 10 records of the Employee table, ordered by employee names:

SELECT emp FROM PayrollEntities.Employee AS emp ORDER BY emp.EmployeeName LIMIT 10;

Suppose you need to display records 11 to 20 from the Employee table. Here is how you can do this:

SELECT emp FROM PayrollEntities.Employee AS emp ORDER BY emp.EmployeeName SKIP 10 LIMIT 10;

How does it work? When you say SKIP 10, it will skip...

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