Selected value not updating detailsview

Both controls enable showing of single record from data source.

The main difference between Form View and Deatils View controls is that Form View control allows using of templates for displaying a record instead of row fields used in Details View.

Most web applications get data from the middle tier and display it in a nice-looking HTML layout. For example, the Label control in Listing 1 will update its Text property only when it receives a Data Binding event. As a developer, you have the power to trigger data binding events for individual controls (including child controls) or for all controls within a page. Subsequently, any controls with a data binding expression will update themselves.

This common pattern brought framework authors to introduce a semi-automatic mechanism to facilitate the display of data into well-defined UI components. Data binding is the process that retrieves data from a given data source and associates it to attributes of UI elements. I’ll start with simple forms of data binding, then discuss the various types of data source controls and data bound controls. NET data binding is the association between the property of a server control and a server-side calculated value. This code is supposed to use a Label control to display the city that a user selects from a drop-down list. Web Figure 1 shows the results from calling the Data Bind method on the page created with the code in Listing 1 (below).

NET Grid View j Query tips and tricks - Part 1 Grid View control is a successor to the ASP. The Grid View control enables you to connect to a datasource and display data is tabular format, however you have bunch of options to customize the look and feel.That only works when your javascript is inside of the or markup and not when it's in the file as was the case here.Also, depending on how deep your controls are nested in your application (in my case they were about 10 levels deep) the Client ID can get incredibly long and can actually add significant bloat to the size of your javascript if used too liberally.Because of that developer have full control over layout and it is pretty easy to add validation capabilities.Form View control is by default located in Visual Studio toolbox, inside Data tab.The Details View and Form View controls enable us to display a single data item that is a single database record at a time.Both controls enable display, edit, insert and deletion of data items such as database records but with a condition -single data item at a time. Form View Control is similar to Deatils View control. It is often used in master/details scenario with Grid View, Data List or Repeater control.If you place Form View control to web form you'll see that it not appears very user friendly at first look.There is only gray rectangle, like in image bellow: Unlike Details View control, there is no predefined template in Form View control.


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