VB.NET - Define extender provider component

Define extender provider component.

- This component provides additional features to the controls. ErrorProvider, HelpProvider, and ToolTip components are the examples of extender provider.
- You can create property extender controls similar to those provided with the Windows forms package such as the ToolTip and HelpProvider.
- The creation of a component named UserPropExtender adds a property named UserRole to all the visible controls on the form.
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Here are the general steps that are followed during a transaction...
Command objects uses, purposes and their methods.
The command objects are used to connect to the Datareader or dataset objects with the help of the following methods.....
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