Asp net detailview itemupdating

We need to write code in Data Bound And Item Updating Events of Detailsview to get the selected value in dropdownlist from database when edit or update button is pressed.

Now to pouplate value from database in selected index of dropdown and then set the new selected value in sqldatasource parameter write below mentioned code in Data Bound and Item Updating Event of Details View respectively.

The Grid View and Details View controls offer built-in editing functionality that can be turned on with the tick of a checkbox.

Without writing a line of declarative markup or server-side source code, the page developer gets a decent out of the box editing interface.

The user modifies the data as needed and clicks the Update button, which saves the data and returns the screen to its pre-editing view.

The screen shot below shows a List View control that lists the products from the Northwind database table.

Find Control("rb Gender"), Radio Button List) Dim ddl Status As Drop Down List = Direct Cast(Direct Cast(sender, Details View). Find Control("rb Gender"), Radio Button List) Dim ddl Status As Drop Down List = Direct Cast(Direct Cast(sender, Details View).

Find Control("ddl Status"), Drop Down List) rbl Gender. Find Control("ddl Status"), Drop Down List) Sql Data Source2.

Namely, each field in the Grid View or Details View is rendered in its editing interface; Bound Fields display a Text Box control while Check Box Fields display an enabled checkbox.

Moreover, a Command Field is added, which displays the Edit, Update, and Cancel buttons, as needed.

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We'll create the editing interface you see above later on in this article, but for now understand that in addition to the data entry controls the editing interface needs to also include Update and Cancel buttons.

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