Kendo AutoComplete search() 方法无效

Question

我正在使用 minLength 为 4 的 Kendo AutoComplete 小部件。但是，如果用户单击“GO”按钮，我想在达到 minLength 之前强制执行搜索。调用搜索的行在调试时没有错误地执行，但什么也不做。我正在使用带有服务器过滤的远程数据。一旦达到最小长度，自动完成功能就会完美运行，我只是无法强制搜索。这是我的代码：

$(function() {
    $("#txtPatientSearch").kendoAutoComplete({
        dataTextField: 'PatName',
        filter: 'contains',
        minLength: 4,
        clearButton: false,
        template: '#= data.PatName # ( #= data.CurrentAge # #= data.Gender # ) <br> Sub. ID: #= data.SubscriberID # <br> MRN: #= data.MRN #',          
        dataSource: {
            serverFiltering: true,
            transport: {
                read: {
                    url: searchUrl,
                    data: function () {
                        return {
                            searchTerm: $('#txtPatientSearch').val(),
                            patientListId: Filters.getSelectedPatientList().value
                        }
                    }
                    
                }
            },
            group: { field: "ResCategory" }
            
        }
    });

    $('#btnSearchPatients').on('click', function () {
        var searchTerm = $('#txtPatientSearch').val();
        $('#txtPatientSearch').data('kendoAutoComplete').search(searchTerm);
    });

    //Keeps the dropdown from closing when the "GO" button is clicked
    $('#ddPatientSearch').click(function (e) {
        e.stopPropagation();
    });
});

<div id="ddPatientSearch" class="dropdown-menu dropdown-menu-left border-dark" aria-labelledby="btnOpenSearch">
    <div class="demo-section k-content" style="width:400px">
        <div class="container-fluid">
            <div class="row">
                <div class="col-10 pl-1 pr-0 text-right">
                    <input id="txtPatientSearch" class="form-control form-control-sm" placeholder="Search patients" />
                </div>
                <div class="col-2 pl-1 pr-0">
                    <button id="btnSearchPatients" type="button">GO</button>
                </div>
            </div>
        </div>
        <div class="demo-hint pl-2 text-dark" style="font-size:12px">Hint: Search by name, subscriber, or MRN</div>
    </div>
</div>

Answer 1

Kendo 自动完成 search 似乎尊重 minLength 选项。这可以通过以下方式解决：

将 minLength 显式设置为 1 或 searchTerm
进行搜索
将 minLength 设置为默认值 (4)

    $('#btnSearchPatients').on('click', function () {
      var searchTerm = $('#txtPatientSearch').val();
      let a = $('#txtPatientSearch').data('kendoAutoComplete');
      a.setOptions({minLength: 1});
      // Searching twice here, because kendo does not show suggestions
      a.search(searchTerm);
      a.search(searchTerm);
      a.setOptions({minLength: 4});
    });

出于某种原因 kendo 不尊重其选项的更改，因此我们搜索了两次。（使用 setTimeout 和 Promise 没有帮助 - 假设 kendo 需要一些时间来更新小部件并且 UI 在调用 setOptions 之后）

Kendo AutoComplete search() 方法无效

Kendo AutoComplete search() method not working

search

autocomplete

telerik

kendo-ui

kendo-autocomplete