Using DetailsView and FormView Controls in ASP.NET: A Comparative Study, Slides of Computer Programming

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Using the DetailsView

and FormView Controls

DetailsView (Introduction)

 Use the DetailsView control to  Display a single record at a time  Insert, edit, and delete records

DetailsView

Characteristics (2)

 Basically, the element replaces the element  Styles work similarly  AlternatingRowStyle, CommandRowStyle, EditRowStyle, InsertRowStyle, etc…

DetailsView (Example)

 Just by binding the DetailsView to a DataSource, you get basic selection and editing capabilities See DetailsViewExample

DetailsView (Configuring 2)

DetailsView

(Fields Introduction)

 If the AutoGenerateFields property is true, the fields will be created automatically  If not, you need to create each field manually

DetailsView (Fields 1)

 Take a look at the Field Editor (fields have different types)  The following are used to create visible controls to display bound data (Set the DataField property  BoundField  CheckBoxField  HyperLinkField  ImageField  ButtonField

DetailsView (Fields 2)

 Use the CommandField to display automatically wired buttons  ShowDeleteButton  ShowInsertButton  ShowEditButton

Example: <asp:CommandField ShowDeleteButton="True" ShowEditButton="True" ShowInsertButton="True" />

DetailsView

(Updating Records)

 Like the GridView  The DataKeyNames property must define a record key  The data source must be set up for updates  Create CommandFields for the Insert, Update, and Delete buttons  See DetailsViewExample2.aspx

DetailsView

(Templated Fields)

 You have two choices for field layout  Use what the DetailsView provides  Create a Template field and define the following three templates   

The FormView Control

(Templates 1)

 ItemTemplate appears while a record is NOT being edited or deleted  InsertItemTemplate appears while a record is being inserted  EditItemTemplate appears while a record is being header  EmptyDataTemplate appears when there are no records

The FormView Control

(Templates 2)

 HeaderTemplate is the header row at the top  It can contain any html or ASP controls.  FooterTemplate is the footer row at the bottom  The same is true here

Template Contents

 For each template, you define the bound controls that will display the data, along with the formatting