Rowupdating event of gridview
Download source code for 3-Tier Architecture in ASP. Seperation - the functionality is seperated from the data access and presentation so that it is more maintainable 2.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.For example you could have the following code:to store the information. Finally the code is bound to the When the user selects a record from the grid, the selected row index will be passed through as the Command Argument.Run the project and place a breakpoint on the code above. The program will stop on the breakpoint and you will be able to see the selected row index being passed through.By combining these controls, you can easily set up master-detail views using very little code and sometimes no code at all.From the following chapters you can see some important operations in ASP. You can then use the code below to retrieve the ID value: are a great way to use primary keys without having to display them to the user.If you have more than one primary key, you can separate the values with a comma.
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.
Grid View control is one of the most powerful controls in ASP. This control displays database records in typical tabular form, and provides features such as Sorting, Paging, Selection and Editing without writing a single line of code.
It also has many different types of fields (columns) such as hyperlinks, images, checkboxes etc. To String()) Dim Product ID As String = Grid View1.
To pass an object that does not contain any data, use the Empty field.
For more information about events, see the Handling and Raising Events article. NET Framework Available since 1.1 Portable Class Library Supported in: portable .
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