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In this tutorial we will see how to add a column of checkboxes and how to determine what checkboxes were checked on postback.In particular, we'll build an example that closely mimics the web-based email client user interface.For more information, see Merging Data Set Contents and Handling Data Adapter Events.
The user can select an arbitrary number of messages and then perform some action, such as moving the emails to another folder or deleting them.
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.
It also has many different types of fields (columns) such as hyperlinks, images, checkboxes etc. To String()) Dim Product ID As String = Grid View1.
In the following tutorial, I will show you different techniques you can use to display command buttons in Grid View. Command Name Dim current Row Index As Integer = Int32. A column of radio buttons is a suitable user interface when the user is limited to choosing at most one item from the grid.