List View control is one of the most popular and powerful web server control in ASP. In this article, we will explore most frequently asked questions about List View control.
Download source code for Binding, Adding, Editing, Updating, Deleting, Paging and Sorting records in List View Control The asp: List View control supports data editing, insertion, deleting, paging and sorting like another powerful control Grid View.
You can notice that I am passing a parameter in this method called sort Expression.
After getting records into Data Table, I am sorting it based on the sortexpression passed to this method.
The following code snippet in Listing 2, creates an Author object and adds it to the authors collection using the Add method and saves changes to the database by calling Submit Changes method of Data Context. This application shows authors data including authors' photo. So this grid shows how to display and manipulate images, text, boolean, and date types using DLINQ.
button is used to add a new author to the authors list.
I’m assuming that you already have some sort of working database, and that you’ve created a Data Context (i.e. (You know, dragging and dropping those tables, which just takes much work.) If you didn’t know what all was going on in the background, then I don’t blame you.
The short version of it is that it’s generating a bunch of classes to match the tables in the database.In Part 2, we will understand how the same tasks can be done without Linq Data Source control.We will use the same Employee table to understand the custom databinding using LINQ. I've just returned to 3.5 after a year or so, previously only dabbling with 2.0.So when I first started working with SQL Server 2008 and LINQ, I would pretty much just use the Linq Data Source because it was definitely the easiest to use.It’s pretty good for testing purposes, or really small projects, but if you’re doing anything that is going to grow / is large already, then you’ll probably not want all that logic embedded in your pages.In LINQ to SQL, the Data Context object is responsible for establishing a connection with a data source.