linq in asp.net
TRANSCRIPT
Muhammed Ajmal
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LINQ
Disclaimer: This presentation is prepared by trainees ofbaabtra as a part of mentoring program. This is not officialdocument of baabtra –Mentoring PartnerBaabtra-Mentoring Partner is the mentoring division of baabte System Technologies Pvt . Ltd
Introduction
• LINQ stands for Language-Integrated Query
• It is simply a unified programming model for writing
SQL queries in simple language(C#,VB,etc) without
learing SQL.
LINQ contd..
• It has a single unitive syntax for querying multiple
data sources.
• It uses a declarative syntax that allows developers to
tell the compiler what to do.
Structure of LINQ
How Write Linq query ?
Var variablename=
from tempvariable
in dataSource
Where condition
Select columns
Stages of the Query
1. Obtain the data source for the query
2. Create the query
3. Execute query
Advantage
• LINQ syntax is same, when querying multiple data
sources.
• it provides syntax highlighting.
Example 1
create dataContext class
Datacontext class
Data from db
output
Data From object
Contd..
Thank you
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