Seq | Events | Controls Initialized | View state
| Form data
| What Logic can be written here? |
1 | Init | No | No | No | Note: You can access form data etc. by using ASP.NET request objects but not by Server controls.Creating controls dynamically, in case you have controls to be created on runtime. Any setting initialization.Master pages and them settings. In this section, we do not have access to viewstate , posted values and neither the controls are initialized. |
2 | Load view state | Not guaranteed | Yes | Not guaranteed | You can access view state and any synch logic where you want viewstate to be pushed to behind code variables can be done here. |
3 | PostBackdata | Not guaranteed | Yes | Yes | You can access form data. Any logic where you want the form data to be pushed to behind code variables can be done here. |
4 | Load | Yes | Yes | Yes | This is the place where you will put any logic you want to operate on the controls. Like flourishing a combobox from the database, sorting data on a grid, etc. In this event, we get access to all controls, viewstate and their posted values. |
5 | Validate | Yes | Yes | Yes | If your page has validators or you want to execute validation for your page, this is the right place to the same. |
6 | Event | Yes | Yes | Yes | If this is a post back by a button click or a dropdown change, then the relative events will be fired. Any kind of logic which is related to that event can be executed here. |
7 | Pre-render | Yes | Yes | Yes | If you want to make final changes to the UI objects like changing tree structure or property values, before these controls are saved in to view state. |
8 | Save view state | Yes | Yes | Yes | Once all changes to server controls are done, this event can be an opportunity to save control data in to view state. |
9 | Render | Yes | Yes | Yes | If you want to add some custom HTML to the output this is the place you can. |
10 | Unload | Yes | Yes | Yes | Any kind of clean up you would like to do here. |
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