[英]Post ViewModel through Ajax using Knockout
這里的名稱,名稱,說明,重量,順序來自文本框。我將這些值放在LanguagesVM中,而通過ajax發布時,則不發布此值。 我必須在下面完成的一個viewmodel中找到所有文本框的值,但不會將viewmodel發布到控制器。
$(function () {
function Languages(data) {
var self = this;
self.name = ko.observable(data.name);
self.abbrev = ko.observable(data.abbrev);
self.description = ko.observable(data.description);
self.sequence = ko.observable(data.sequence);
self.weight = ko.observable(data.weight);
self.isActive = ko.observable(data.isActive);
}
function LanguagesVM() {
var self = this;
self.Languages = new Languages();
ko.applyBindings(LanguagesVM, document.getElementById("CreateLanguage"));
self.saveLanguage = function () {
alert("Save---");
$.ajax({
type: "Put",
url: rootUrl + 'api/my/Language',
data: ko.toJSON(self.Languages),
contentType: "application/json; charset=utf-8",
success: function (result) {
console.log(result.d);
},
error: function (err) {
console.log(err.status + " - " + err.statusText);
}
});
};
};
});
這是我的html代碼:-
@using (Html.BeginForm(htmlAttributes: new { @class = "form single-col",@id="CreateLanguage" }))
{
<div>
<div class="form-group">
<label for="Name">Name</label>
<input class="text-box single-line" data-bind="value:name" data-val="true" id="Name" name="Name" placeholder="Name" type="text" value="">
</div>
<div class="form-group">
<label for="Abbrev">Abbrev</label>
<input class="text-box single-line" data-bind="value:abbrev" data-val="true" id="Abbrev" name="Abbrev" placeholder="Abbrev" type="text" value="">
</div>
<div class="form-group">
<label for="Description">Description</label>
<input class="text-box single-line" data-bind="value:description" data-val="true" id="Description" name="Description" placeholder="Description" type="text" value="">
</div>
<div class="form-group">
<label for="Sequence">Sequence</label>
<input class="text-box single-line" data-bind="value:sequence" data-val="true" id="Sequence" name="Sequence" placeholder="1" type="text" value="">
</div>
<div class="form-group">
<label for="Weight">Weight</label>
<input class="text-box single-line" data-bind="value:weight" data-val="true" id="Weight" name="Weight" placeholder="0" type="text" value="">
</div>
<div class="form-group">
<label class="checkbox">
<input type="checkbox" value="true" name="IsActive" id="IsActive" data-bind="checked:isActive"> Active
</label>
<span class="field-validation-valid" data-valmsg-for="IsActive" data-valmsg-replace="true"></span>
</div>
<div class="form-group">
<div class="controls">
<div class="btn-group">
<button type="submit" class="btn btn-primary" data-bind="click:saveLanguage"><i class="fa fa-plus"></i> Create</button>
<a class="btn btn-info" href="@Url.Action("Index")"><i class="fa fa-arrow-left"></i> Back to List</a>
</div>
</div>
</div>
</div>
}
您的LanguagesVM函數已定義,但似乎從未執行過。
在函數定義之后添加以下代碼:
vm = new LanguagesVM();
應該足以觸發此處的綁定。 可能沒有必要使用new,但是在LanguagesVM中使用this關鍵字建議應使用它來防止錯誤的作用域。
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