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  • asp.net页面装载用户控件时的事件顺序

    在WebForm1页面上直接放置用户控件WebUserControl1时的事件顺序:
    WebUserControl1_Init <br>
    WebForm1_Init <br>
    Page_Load <br>
    WebUserControl1_Load <br>
    WebForm1_PreRender <br>
    WebUserControl1_PreRender <br>
    WebUserControl1_Unload <br>
    WebForm1_Unload <br>

    在WebForm1页面的OnInit方法中用代码Load用户控件WebUserControl1时的事件顺序:
    WebForm1_Init : OnInit
    WebForm1: Loading controls
    WebUserControl1_Init : OnInit
    WebForm1: added to Controls
    WebForm1: LoadViewState
    WebUserControl1: LoadViewState
    WebUserControl1: LoadPostData Begin
    WebUserControl1: LoadPostData End
    WebForm1_PageLoad: OnLoad after base's Onload.
    WebUserControl1_Load: after base's OnLoad
    iWebUserControl1: RaisePostDataChange
    WebForm1: OnPreRender
    WebUserControl1: OnPreRender
    WebForm1: SavedViewState
    WebUserControl1: SaveViewState

    在WebForm1页面的Page_Load方法中用代码Load用户控件WebUserControl1时的事件顺序:
    WebForm1_Init : OnInit
    WebForm1: LoadViewState
    WebForm1_PageLoad: OnLoad after base's Onload.
    WebForm1: Loading controls
    WebUserControl1_Init : OnInit
    WebUserControl1: LoadViewState
    WebForm1: added to Controls
    WebUserControl1_Load: after base's OnLoad
    WebUserControl1: LoadPostData Begin
    WebUserControl1: LoadPostData End
    iWebUserControl1: RaisePostDataChange
    WebForm1: OnPreRender
    WebUserControl1: OnPreRender
    WebForm1: SavedViewState
    WebUserControl1: SaveViewState


    在WebForm1页面的Button1_Click事件中用代码Load用户控件WebUserControl1时的事件顺序:
    WebForm1_Init <br>
    Page_Load <br>
    Button1_Click <br>
    WebUserControl1_Init <br>
    WebUserControl1_Load <br>
    WebForm1_PreRender <br>
    WebUserControl1_PreRender <br>
    WebUserControl1_Unload <br>
    WebForm1_Unload <br>

    在WebForm1页面的Page_Load事件中用代码Load用户控件WebUserControl1,WebUserControl1又在Page_Load事件中用代码Load用户控件WebUserControl2时的事件顺序:
    WebForm1_Init <br>
    Page_Load <br>
    WebUserControl1_Init <br>
    WebUserControl1_Load <br>
    WebUserControl2_Init <br>
    WebUserControl2_Load <br>
    WebForm1_PreRender <br>
    WebUserControl1_PreRender <br>
    WebUserControl2_PreRender <br>
    WebUserControl2_Unload <br>
    WebUserControl1_Unload <br>
    WebForm1_Unload <br>

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  • 原文地址:https://www.cnblogs.com/tanbin1766/p/3118105.html
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