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Linq in asp.net
This document provides an introduction and overview of LINQ (Language Integrated Query). It defines LINQ as allowing developers to write SQL queries using a simple language like C# without needing to learn SQL. LINQ provides a unified syntax for querying multiple data sources. The document outlines the structure of a LINQ query, shows how to write one, and lists the stages of executing a query. Advantages include a consistent syntax across data sources and syntax highlighting. Examples demonstrate creating a data context class and querying data from a database and objects.
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Linq in asp.net
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- 3. Disclaimer: This presentationis prepared by trainees of baabtra as a part of mentoring program. This is not official document of baabtra –Mentoring Partner Baabtra-Mentoring Partner is the mentoring division of baabte System Technologies Pvt . Ltd
- 4. Introduction • LINQ standsfor Language-Integrated Query • It is simply a unified programming model for writing SQL queries in simple language(C#,VB,etc) without learing SQL.
- 5. LINQ contd.. • Ithas a single unitive syntax for querying multiple data sources. • It uses a declarative syntax that allows developers to tell the compiler what to do.
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- 7. How Write Linqquery ? Var variablename= from tempvariable in dataSource Where condition Select columns
- 8. Stages of theQuery 1. Obtain the data source for the query 2. Create the query 3. Execute query
- 9. Advantage • LINQ syntaxis same, when querying multiple data sources. • it provides syntax highlighting.
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