| Begin Transaction (only when transactions are enabled for the page) |
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Begin Transaction |
ProcessRequestTransacted() |
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TransactedCallback() on
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Process Request Main
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(described below)
Transactions.InvokeTransacted -- parts of the request that need to be done under transacted context |
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| Process Request Main (every page, this is the main execution path) |
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Init |
InitRecursive()
Raise OnInit (recursive)
Begin tracking viewstate |
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LoadViewState |
LoadPageViewState()
LoadPageStateFromPersistenceMedium() |
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ProcessPostData1 |
ProcessPostData(_requestValueCollection, true /* BeforeLoad */);
Hand postback data to the controls that exist before Page_Load
Page.Validate() |
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Load |
LoadRecursive();
Fire OnLoad() (recursive) |
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ProcessPostData2 |
ProcessPostData(_leftoverPostData, false /* BeforeLoad */);
Hand postback data to controls added in Load (using LoadControl, for example) |
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Raise ChangedEvents |
RaiseChangedEvents()
RaisePostDataChangedEvent() on each control with postback data that is not an IPostBackEventHandler |
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Raise PostBackEvent |
RaisePostBackEvent(_requestValueCollection)
RaisePostBackEvent() on the control that caused the postback |
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PreRender |
PreRenderRecursive()
if Page.Visible
EnsureChildControls() -- creates controls if they haven't already been created by databinding
Fire OnPreRender (recursive) |
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Build Trace Tree |
BuildProfileTree("ROOT", EnableViewState) |
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SaveViewState |
SavePageViewState()
Save state recursively for the page and it's controls |
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Render |
RenderControl(CreateHtmlTextWriter(Response.Output))
if Page.Visible
Render() (recursive) |
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| Finish Transaction (only when transactions are enabled for the page) |
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End Transaction |
Fire OnAbortTransaction() or OnCommitTransaction() |
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| End Trace (only when Tracing is enabled) |
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Trace.EndRequest |
if PageOutput
Trace.Render |
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Process Request Cleanup (every request)
* Set Request and Response to null |
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UnloadRecursive |
UnloadRecursive()
Fire OnUnload() (recursive)
Dispose() |