asp-active server pages for web. asp web page (.asp file) consists of HTML elements & server side script/program usually written in vbscript or {vb.net/vc#.net in case asp.net web page (.aspx file)} and requires iis web server software & .net framework software. iis web server compiles asp/aspx web page & renders the final content/output to the web browser as HTML form. asp is server side programming to access & manipulate html elements, other system resources, database, email functionality etc., where as html is just all about web page designing. there is much more but just this is an basic info about asp. good day..

LINQ is integrated feature in all .NET languages like C# and it provides querying capabilities. LINQ provides querying capabilities to write and execute queries using C# Linq operators or keywords against different data sources Linq to Sql or Object (table object, collection object, generic type collection object, array variable) that produce or return result set that is usually assigned or stored to "var" type object or variable. LINQ queries are mostly used while database connected through Entity Framework or EDM (Entity Data Model) in all .Net Applications/Services for fetching and manipulating the data. LINQ to SQL is also said as architecture like 2-Tier, 3-Tier, Entity Framework or EDM, MVC. it provides Object Relational Model or Designer that allows to visualize data classes in the code. important namespaces: using System.Linq; System.Data.Linq.DataContext; System.Data.Linq.Table; important files DataClasses1_Name.dbml file contains connectionstring details and database object details. DataClasses1AptechDb.designer.cs file contains 1 important auto-generated partial class (data classes or datacontext_name that inherits from DataContext class) contains methods, linq table type properties. Other partial class definitions for each database table and properties.