Jquery Facebook 自动完成功能在更新面板回发后消失

发布于 2024-09-30 03:54:40 字数 487 浏览 0 评论 0原文

嘿，我在 asp.net ajax 更新面板中使用 Facebook 风格的 autoComplete，问题是当我回发到 UpdatePanel 时，Jquery 消失了，有什么想法吗？

谢谢，

代码：

$(document).ready(function () {


$("[id$='DDL_Guests']").fcbkcomplete({
    json_url: "../../Search.asmx/SearchAC",
    cache: false,
    filter_case: false,
    filter_hide: true,
    firstselected: true,
    onremove: RemoveItem,
    onselect: AddItem,
    filter_selected: true,
    maxitems: 10,
    newel: true
});

});

原文

hey,
i'm using the Facebook style autoComplete inside a asp.net ajax update panel,
by problem is when im doing a postback to the UpdatePanel the Jquery Disapear,
Any Idead?

thanks,

Code:

$(document).ready(function () {


$("[id$='DDL_Guests']").fcbkcomplete({
    json_url: "../../Search.asmx/SearchAC",
    cache: false,
    filter_case: false,
    filter_hide: true,
    firstselected: true,
    onremove: RemoveItem,
    onselect: AddItem,
    filter_selected: true,
    maxitems: 10,
    newel: true
});

});

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一人独醉 2024-10-07 03:54:40

当发生部分回发时，它会更新您的标记，因此 ID 为 DDL_Guests 的元素将不再绑定到您第一次加载页面时使用的 jQuery 代码。

因此，在部分回发事件发生后，您需要重新绑定 jQuery 代码。

要解决此问题，您必须在代码中添加一个 endRequest 事件处理程序，并调用一个函数，该函数将再次将小部件重新绑定到 DDL_Guests 元素，如以下代码所示

$(document).ready(function () {
    jQueryInit();
});

function load() { 
    Sys.WebForms.PageRequestManager.getInstance().add_endRequest(jQueryInit); 
} 

function jQueryInit() { 
    $("[id$='DDL_Guests']").fcbkcomplete({
        json_url: "../../Search.asmx/SearchAC",
        cache: false,
        filter_case: false,
        filter_hide: true,
        firstselected: true,
        onremove: RemoveItem,
        onselect: AddItem,
        filter_selected: true,
        maxitems: 10,
        newel: true
    });            
}

然后简单地使用此技巧从正文标记中调用 load 函数，

<body onload="load()">

您的 jQueryInit() 函数中的 jQuery 代码在第一次通过 $(document ).ready(function () {} 并在 UpdatePanel 引起的部分页面回发后再次重新绑定

希望它有帮助

When a partial postback occurs it update your markup and so the element with ID DDL_Guests will not be anymore binded to the jQuery code you are using the first time the page load.

So you need to rebind your jQuery code after a partial postback event has occurred.

To solve this problem you have to add an endRequest event handler in your code and call a function that will rebind again the widget to the DDL_Guests element as in the following code

$(document).ready(function () {
    jQueryInit();
});

function load() { 
    Sys.WebForms.PageRequestManager.getInstance().add_endRequest(jQueryInit); 
} 

function jQueryInit() { 
    $("[id$='DDL_Guests']").fcbkcomplete({
        json_url: "../../Search.asmx/SearchAC",
        cache: false,
        filter_case: false,
        filter_hide: true,
        firstselected: true,
        onremove: RemoveItem,
        onselect: AddItem,
        filter_selected: true,
        maxitems: 10,
        newel: true
    });            
}

Then simply call the load function from your body markup

<body onload="load()">

using this trick your jQuery code inside the jQueryInit() function get binded the first time the page load through the $(document).ready(function () {} and get rebinded again after a partial page postback caused by the UpdatePanel

Hope it helps

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