Arvind Gupta Professional Software Developer C#.net Portfolio  N-tier layered application  Defining a class object  Use of iComparable, iEnumerable interfaces  Use of Regex for input data validation  ADO.net – use of table adapter  ADO.net – executing a SQL Server stored procedure  ASP.net – use of Master Page  App.config – used for accessing connection string cell:

Multi-layered Web Application Data Access Layer

Background These code samples have been amassed from multiple project assignments  Create an order entry console application using various.net Framework class objects and interfaces as well as custom classes, interfaces, and data structures.  Create a Windows Application for a public library. Used to maintain library card records and to check in/out materials. Used pre-defined data access objects.  Modify library application by designing and coding custom ADO.net data access objects and custom SQL Server stored procedures.  Modify library application replacing Windows forms with ASP pages  Design and code a Windows application for drafting online exams and assigning them to specific training programs

Multi-layer Web Application Business Layer with XML documentation comments

N-tier Web Application asp using Master Page

Using app.config in data layer for accessing connection string

Data Access using ADO table adapter

Defining properties for a product class.

Using Regex for input validation