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Editing the Grid View control can be an incredibly easy feature to add for certain database tables, especially those who have no foreign key associated and can easily be edited through the use of a standard Text Box web control as shown in the figure below: Before we start examining the ASP.NET Grid View markup and associated code lets first enumerate the important code pieces of this tutorial.To do that, create the following method, which you'll call from two places: Run the page.Select an instructor that has a course assigned, and then select the course.Data Grid Example " data-medium-file="https://jwcooney.files.wordpress.com/2013/09/gridviewexample.gif? Sometimes using Web Forms controls is not well documented and unintuitive, which is the case with the event, where a lot of information available online is incorrect or misleading.

At this time in 2017, the Web Forms technology is not as commonly used as it once was, but is still relatively prevalent, especially in legacy applications.To do this, you'll use the control to the collection.This is sufficient to display grades, but you want to make sure that the message in the empty data template is displayed the first time the page is displayed and whenever a course is not selected.You'll create the Instructors page that shows a list of instructors.When you select an instructor, you see a list of courses taught by that instructor.By the way, if you find the information I’m giving is useful, then have a look at some of the other Web Forms related articles I’ve written.