Combobox 转向数据[i]['Value']; } } 返回null; } 这无疑是一个非常愚蠢的问题,但在Razor语法中,这与OP的代码有何相似之处?当我转换它时,它从不调用函数。这对于不匹配的值没有改变的情况是没有用的。未触发任何更改事件。 @Html.Kend

Combobox 转向数据[i]['Value']; } } 返回null; } 这无疑是一个非常愚蠢的问题,但在Razor语法中,这与OP的代码有何相似之处?当我转换它时,它从不调用函数。这对于不匹配的值没有改变的情况是没有用的。未触发任何更改事件。 @Html.Kend,combobox,kendo-ui,Combobox,Kendo Ui,转向数据[i]['Value']; } } 返回null; } 这无疑是一个非常愚蠢的问题,但在Razor语法中,这与OP的代码有何相似之处?当我转换它时,它从不调用函数。这对于不匹配的值没有改变的情况是没有用的。未触发任何更改事件。 @Html.Kendo() .ComboBoxFor(model => model.CountryCode) .BindTo(ViewBag.Countries as IEnumerable<SelectListItem>)

转向数据[i]['Value']; } } 返回null; }
这无疑是一个非常愚蠢的问题,但在Razor语法中,这与OP的代码有何相似之处?当我转换它时,它从不调用函数。这对于不匹配的值没有改变的情况是没有用的。未触发任何更改事件。
@Html.Kendo()
    .ComboBoxFor(model => model.CountryCode)
    .BindTo(ViewBag.Countries as IEnumerable<SelectListItem>)
    .Filter(FilterType.StartsWith)
    .Placeholder("Country")
    .HtmlAttributes(new { @class = "span9" })
var comboId = '#movies';
alert(GetComboBoxValue(comboId));
function GetComboBoxValue(comboId){
    var comboValue = -1;
    $(comboId).data('kendoComboBox').select(function (dataItem) {
        // Note: you have to perhaps change the property - text as per the value
        // this is for the example provided in the link only
        if (dataItem.text == $(comboId').data('kendoComboBox').text()){
            comboValue = dataItem.value;
            break;
        }
    });
    //will return -1, if data is not found from the list
    return comboValue;
}
change : function (e) {
        if (this.value() && this.selectedIndex == -1) {   //or use this.dataItem to see if it has an object                 
            alert('Invalid Entry!');
            cb.select(1);
        }
    }
@(Html.Kendo().ComboBox()
    .Name("cb")
    .Events(it => it.Change("cbIsChanged"))
    ...
        )

<script>
    cbIsChanged = function (e) {
        ...
    }
</script>
$(document).ready(function() {
    var items = [
        {value : '1',
         desc : 'fred'},
        {value : '2',
         desc : 'wilma'},
        {value : '3',
         desc : 'pebbles'},
        {value : '4',
         desc : 'dino'}
    ];

    var cb = $('#comboBox').kendoComboBox({
        dataSource : items,
        dataTextField : 'desc',
        dataValueField : 'value',
        filter : 'contains',
        change : function (e) {
            if (this.value() && this.selectedIndex == -1) {    
                this._filterSource({
                    value: this.value(),
                    field: this.options.dataTextField,
                    operator: "contains"
                });
                this.select(0);
                if ( this.selectedIndex == -1 ) {                    

                    this.text("");
                }
            }
        }
    }).data('kendoComboBox');


});
<div class="form-group">
    @Html.LabelFor(model => model.GlAccount, new { @class = "control-label col-md-4" })
    <div class="col-md-6">
        @(Html.Kendo<OrderRequest>().ComboBoxFor(m => m.GlAccount).DataValueField("Number").DataTextField("Description").Filter(FilterType.Contains).HighlightFirst(true)
                    .DataSource(src => src.Read(read => read.Action("GetGlAccounts", "Lookup", new { area = "" }))).Events(events => events.Change("app.common.onChangeRestrictValues")))
        @Html.ValidationMessageFor(model => model.GlAccount)
</div>
<script>
function onChangeRestrictValues(e) {
  if (this.value() && this.selectedIndex == -1) {
    var dt = this.dataSource._data[0];
    this.text(dt[this.options.dataTextField]);
    this.select();
  }
}
</script>
$(document).ready(function() {
var items = [
    {value : '1',
     desc : 'fred'},
    {value : '2',
     desc : 'wilma'},
    {value : '3',
     desc : 'pebbles'},
    {value : '4',
     desc : 'dino'}
];

var cb = $('#comboBox').kendoComboBox({
    dataSource : items,
    dataTextField : 'desc',
    dataValueField : 'value',
    filter : 'contains',
    change : function (e) {
        if (this.value() && this.selectedIndex == -1) {    
            this._filterSource({
                value: "",
                field: this.options.dataTextField,
                operator: "contains"
            });
            this.select(1);
        }
    }
}).data('kendoComboBox');

$('#showValue').click(function () {
    alert(cb.value());
});
<div id="main_pane_add_truck" data-role="view" data-model="APP.models.main_pane_add_truck">
    <input id="main_pane_add_truck_customer_id" data-role="combobox" data-placeholder="Type a Customer" data-value-primitive="true" data-text-field="Name" data-value-field="CustomerID" 
    data-bind="value: customer_id, source: customer_id_ds, events: { change: customer_id_change }" />
</div>
window.APP = {
models: {
    main_pane_add_truck: kendo.observable({
        customer_id: null,
        customer_id_ds: new kendo.data.DataSource({
            type: "odata",
            transport: {
                read: ROOTURL + BODYURL + "MyCustomers"
            },
            schema: {
                model: {
                    fields: {
                        CustomerID: { type: "number" },
                        Name: { type: "string" },
                    }
                }
            }
        }),
        customer_id_change: function customer_id_change(e) {
            try {
                var found = false;
                var combobox = $("#main_pane_add_truck_customer_id").data("kendoComboBox");
                var customer_id = e.data.customer_id;
                var dataSource = this.get("customer_id_ds");
                var data = dataSource.data();
                var data_length = data.length;
                if (data_length) {
                    for (var i = 0; i < data_length; i++) {
                        if (data[i].CustomerID === customer_id) {
                            found = true;
                        }
                    }
                    if (!found) {
                        this.set("customer_id", data[0].CustomerID);
                        combobox.select(0);
                    }
                }
                else {
                    this.set("customer_id", null);
                }
            }
            catch (e) {
                console.log(arguments.callee.name + " >> ERROR >> " + e.toString());
            }
        },
    }),
}
};