Vb net rowupdating event

The Row Updating event occurs before a command executes against the .

Working with Connection Events The Connection object has two events that notify the application if a connection state changes.

I also set the text of the buttons to "State Change Event" and "Info Message Event". Figure 9-3 Windows application for testing connection events You can add both connection events programmatically as well as at design-time. NET, just drag an Sql Connection (or Ole Db Connection) from toolbox's Data tab to a form and write events from the properties windows.

As you can see in figure 9-4, you merely double-click the Info Message and State Change events to write event handlers for them.

Figure 9-2 shows the Ole Dbdata provider event handlers and event argument classes.

Figure 9-2 Ole Db data provider event handler and event arguments Ole Db Info Message Event Handler handles the Info Message event of Ole Db Connection.

You can use these events to retrieve informational messages from a data source or to determine if the state of Connection changes.


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