Data Access Layer Lets proceed with desiging 3-Tier architecture. Add a class named by right clicking App_Code folder. Because the new buzz in the industry is to use Ajax Tab Panels. As you have used four variables to pass data from one layer to another (person ID, first Name, last Name, age).
(In my case I have a 3-Tier folder inside App_Code folder, you can directly add inside App_Code or you can create a separate project for DAL and add reference of this project into your BAL.) and copy-paste folowing code (Your can overwrite your default written code for the class file by pasting this code). Tab Container (Container to hold GV, Add, Edit) First Tab Panel ... Now think the Scenario when the number of fields are too much.
To list the record into Grid View that will also enable us to Edit, Delete record, copy paste following code.
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. Hope this article helped you understanding 3-Tier architecture and desiging it. Updated on July 01 2008: Source Code attached Full Name: Sheo Narayan Member Level: Honorary Platinum Member Status: Administrator Member Since: 7/8/2008 PMCountry: India Regards, Sheo Narayan MVP, Author, Writer, Mentor & architecting applications since year 2001.
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). Connect me on | https://twitter.com/sheonarayan | Hi, Nice article; Well and simply explained.
3-Tier architecture is a very well know buzz word in the world of software development whether it web based or desktop based. Below is the code for BAL (Your can overwrite your default written code for the class file by pasting this code). You can also navigate to another page your created (list.aspx) and try updating, deleting records.
In this article I am going to show how to design a web application based on 3-tier architecture. Code for Business Access Layer using System; using System. By using 3-Tier architecture in your project you can achive 1.
Insert) by passing first Name, last Name, age as parameter.
Then I have instantiated Person BAL3 and calling Insert method of it (p BAL.
Is Valid method just to check if correct data has been entered.
In the above code, first I am validating the page by using Page.
So just pass the value in correct Date Time format. Just curious why you did not use the gridview wizard to display the list of records. This approach is good if you have a small project but for bigger projects it is not suggestable.
So for example, configure a sqldatasource and then bind it to the grid view control. For further you can refer to this page One more question....
For this demo application, I have taken a very simple example. 1) Fix for the code block For the css 'pre', add new property 'min-width: 730px;' and add width nn percentage.