The DetailsView Control is a Data-Bound Control that allows you to work with a single data record at a time. It includes features such as paging, updating, inserting and deleting data.
Drag DetailsView Control from the Toolbox onto the design view of an ASP.NET Web Page, which has been used with SqlData Source Control.
Here is a Simple Use of DetailsView Control
To display the data on the browser, right click the DetailsView .A DetailsView Tasks window will open from where you have choose the Data Source named as SqlDataSource1 from the Drop Down List in the Choose Data Source Field.