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Insert) by passing first Name, last Name, age as parameter.

Then I have instantiated Person BAL3 and calling Insert method of it (p BAL.

Because I am trying to implement this but not getting it.

The folder structure what i am looking for the 3 layers should be like this; --PRESENTATION LAYER --- (this is the startup project) --APP_CODE --APP_DATA --Web.config --DAL --cls Employees --cls Transport --BAL --cls Load --cls Get Employees this is what i need to implement. thanks & regards nazir k Nazirk, You need to use Visual Studio to create BAL and DAL as separate projects.

Lets create a form that will have three textboxes for First Name, Last Name and Age.

Now we have to write our Presentation Layer that will use our Business Access Layer methods.

You may also please send me some useful link, if possible.Dear Sir, I find there is a format mismatch between i BO.Help Desk Call Date and txt Help Desk Request Date in the code-behind but really dont know how to fix it. Help Desk Call Date - txt Help Desk Request Date : "30-8-2008 " I am new to programming, but looking at this I feel IBO. 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. 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.

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