September 2003
Intermediate to advanced
1008 pages
26h 5m
English
Content preview from Programming ASP.NET, Second Edition
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Page and Control Events
The page and controls all have a number of events that are derived from the Control class (or the TemplateControl class, in the case of the Error event). All pass an event argument of type EventArgs that exposes no properties. Some of these events are listed in Table 3-2.
Table 3-2. Some common page and control events
|
Event name |
Description |
|---|---|
|
DataBinding |
Occurs when control binds to a data source |
|
Disposed |
Occurs when control is released from memory |
|
Error |
For the page only, occurs when an unhandled exception is thrown |
|
Init |
Occurs when the control is initialized |
|
Load |
Occurs when the control is loaded to the Page object |
|
PreRender |
Occurs when the control is about to be rendered |
|
Unload |
Occurs when the control is unloaded from memory |
Tip
Binding a control to a data source means that the control and the data source are tied together so that the control knows to use that data source for populating itself. Chapter 9 provides a complete description of controls and data binding.
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