Obout the user control

The use of a user control. If you want to deploy the same control on twenty different pages within a single application, rather than build twenty different copies of the control (one on each page), you can build it once in the form of a user control and drop it on each of the twenty pages.

User controls are simple to build and they have a visual designer whereas custom controls do not. User controls are good if you only want to use the control in one specific project; they can be cut and pasted into other projects but typically you'd want to build a custom control if you want to use the same control in multiple locations.

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Scott Lysle20y ago
The use of a user control. If you want to deploy the same control on twenty different pages within a single application, rather than build twenty different copies of the control (one on each page), you can build it once in the form of a user control and drop it on each of the twenty pages.

User controls are simple to build and they have a visual designer whereas custom controls do not. User controls are good if you only want to use the control in one specific project; they can be cut and pasted into other projects but typically you'd want to build a custom control if you want to use the same control in multiple locations.