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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. Sql Client; /// In the above code, I have a member variable called conn Str that is getting database connection string from my web.config file that is being used through out the class. Code for Grid View Data Key Names="Person ID" Auto Generate Edit Button="True" Auto Generate Columns="False" On Row Editing="Edit Record" On Row Updating="Update Record" On Row Canceling Edit="Cancel Record" On Row Deleting="Delete Record" Page Size="5" Above method will fire when Delete link will be clicked on the Grid View.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.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. In this case definitely the passing number of variable will not be good idea. 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 we have to write our Presentation Layer that will use our Business Access Layer methods.
To list the record into Grid View that will also enable us to Edit, Delete record, copy paste following code.
Dispalying Records into Grid View Create a file called and create a Grid View something like displayed into the picture.
Did you create the source code for the page manually or did you use some type of wizard to do this? tulsi Hi Sheo Narayan, Indeed a very useful article with easy to understand example.
I'm use to binding the gridview to the sqldatasource, but want to learn more on the way you created this page. But Sheo Narayan, as in this example you are creating DAL and BAL inside App_Code, I need an architecture wherein the DAL and BAL should be outside App_Code folder.
Is Valid method just to check if correct data has been entered.