[英]Can a Knockout observable be data bound to the value of a radio button?
[英]Kendo Radio Button Bound Observable Not Updating Value When Change Is Made
我的單選按鈕的html是:
<div class="slds-form-element" style="text-align:center;">
<div id="radio-wrapBorder" style="border-top: 2px solid #f48942;"></div>
<label class="slds-form-element__label" for="radio-wrap" style="color: white; font-size: 15px; margin-top: 5px;">Allow Users To Control Their Drag And Drop Settings:</label>
<div class="slds-form-element__control">
<div id="radio-wrap">
<input type="radio" class="k-radio" id="radioDisableDragDrop" value="DisableAll" name="radioGroup" data-bind="checked: radioDragDrop" style="margin-top: 5px; margin-bottom: 15px;"/><label for="radioDisableDragDrop" class="k-radio-label" id="radioDisableDragDropLabel" style="color: white;">Drag and Drop <b>DISABLED</b> for all users. This will not show up as an option in user settings.</label><br />
<input type="radio" class="k-radio" id="radioEnableDragDrop" value="EnableAll" name="radioGroup" data-bind="checked: radioDragDrop" style="margin-top: 5px; margin-bottom: 15px;"/><label for="radioEnableDragDrop" class="k-radio-label" id="radioEnableDragDropLabel" style="color: white;">Drag and Drop <b>ENABLED</b> for all users. This will not show up as an option in user settings.</label><br />
<input type="radio" class="k-radio" id="radioUserDragDrop" value="EnableUser" name="radioGroup" data-bind="checked: radioDragDrop" style="margin-top: 5px; margin-bottom: 15px;"/><label for="radioUserDragDrop" class="k-radio-label" id="radioUserDragDropLabel" style="color: white;">Drag and Drop determined by user preferences.</label>
</div>
</div>
</div>
我的綁定可觀察到的是:
var radioObservable = kendo.observable({
radioDragDrop: null
});
kendo.bind($('#radio-wrap'), radioObservable);
radioObservable.set('radioDragDrop', 'EnableUser');
console.log(radioObservable);
在單選按鈕正確的位置,首先將我選擇的內容輸入radioObservable.set()方法。 但是,當我選擇其他選項並單擊“保存...”時,radioDragDrop仍為“ EnableUser”。
在您選擇3個單選按鈕的其他選項時,誰能看到此綁定有什么問題,而這會導致radioDragDrop無法更新?
我創建了一個DEMO ,將單選按鈕綁定到可觀察對象似乎正常工作。
這是一些代碼片段:
JS:
var radioObservable = kendo.observable({
radioDragDrop: null,
});
kendo.bind($('#radio-wrap'), radioObservable);
radioObservable.set('radioDragDrop', 'EnableUser');//default checked option
//radioObservable.trigger('change');
console.log(radioObservable);
$("#save").click(function() {
alert("current selected option = "+radioObservable.get('radioDragDrop'));
});
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