Sqldatasource updating parameters error updating windows ad authentication properties
I am not goint into details of how I am connecting database and manipulating the data just to make this tutorials short. Code to Update records Above method will fire when Update link will be clicked for a particular row of the Grid View in edit mode.
I have separate method for inserting, deleting, updating records into database and loading records from database. In the above code, I am instantiating Person BAL3 and calling Delete method by passing person ID as parameter so that select reocrds will be deleted from datbase.
As we don't have any business logic here so simply instantiate the Person DAL3 class of DAL and call methods. Now we have all set to go, now just run your project and try inserting records.
Now, create a class named Person BAL3 into App_Code folder by right clicking it and write respective methods for calling Insert, Delete, Update and Load methods of Data Access Layer class file (Person DAL3) (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 BAL and add reference of this project into your Presentation Layer). In the above method, I am instantiating Person BAL3 and calling the Update method by p[assing required parameters.
In real scenario, you should create separate projects for BAL, DAL (as Class Library) and UI (as Web project) and reference your BAL into UI. I wonder if you can come up with the same but using Ajax Tabs. Like having add button in Grid View will switch you to Tab Panel (Add new) and then perform the add ... But would like to see if you can come up with Tabs and your example above. I have one question about passing the data between layers.
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).
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.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). Independence - layers are established so that if one is modified (to some extent) it will not affect other layers. Reusability - As the layers are seperated, it can exist as a module that can be reused by other application by referencing it.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. NET Web Control | Enhancing the 'Email the Rendered Output of an ASP. NET Basics An Extensive Examination of the Data Grid Web Control: Part 1 [Part 2] [Part 3] [Part 4] [Part 5] [Part 6] [Part 7] [Part 8] [Part 9] [Part 10] [Part 11] [Part 12] [Part 13] [Part 14] [Part 15] [Part 16] [Part 17] [Part 18] Emailing the Rendered Output of an ASP.