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Presentation Layer (UI) Presentation layer cotains pages like or windows form where data is presented to the user or input is taken from the user. Business Access Layer (BAL) or Business Logic Layer BAL contains business logic, validations or calculations related with the data, if needed. Data Access Layer (DAL) DAL contains methods that helps business layer to connect the data and perform required action, might be returning data or manipulating data (insert, update, delete etc). Sql Client; /// public int Insert(string first Name, string last Name, int age) { Sql Connection conn = new Sql Connection(conn Str); conn. Add projects (BAL, DAL) into the same solution and implement the code as it is in the App_Code folders. Thanks protected void Sort Records(object sender, Grid View Sort Event Args e) { Data Table data Table = Grid Data Source(); if (data Table ! Data Bind(); } } #region Private Methods /// private Data Table Grid Data Source() { Person BAL3 p = new Person BAL3(); Data Table d Table = new Data Table(); try { d Table = p. For this demo application, I have taken a very simple example.


3-Tier architecture is a very well know buzz word in the world of software development whether it web based or desktop based.

In this article I am going to show how to design a web application based on 3-tier architecture.

Here, I have assumed that you will create the respective stored procedure yourself into the database or you may download attachment from using System; using System.

Open(); Sql Command d Cmd = new Sql Command("Insert Data", conn); d Cmd. = null) { Data View data View = new Data View(data Table); data View.


Download source code for 3-Tier Architecture in ASP. NET with C# 3-Tier architecture generally contains UI or Presentation Layer, Business Access Layer (BAL) or Business Logic Layer and Data Access Layer (DAL).


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