Kendo.Grid和TypeScript更改本地数据

Question

我使用Kendo.Grid和TypeScript作为数据源，我拥有本地数据。网格单元之一可以编辑，但是数据没有变化。 1）如何进行更改自动影响数据源？ 2）或在事件“ onValueChange”中如何知道单元格数据并将其手动写入数据源     并更新网格？

<div class="wrapper">
    <div id="my-grid"></div>
</div>

export class MyGrid {
    myGrid: kendo.ui.Grid;
    myData: any[];
    data: any = {};

    // [{ Year: "2019", Value: 10 }, {Year: "2020", Value: 20 }]
    constructor(myData: any[]) {
        let that: MyGrid = this;
        this.myData = myData;
        $(#my-grid).kendoGrid({          
            dataBound: function (e) {                
                this.tbody.find(".myTextBoxValue").each(function () {
                    $(this).kendoNumericTextBox({
                        format: "n3",
                        decimals: 3,
                        change: that.onValueChange.bind(that)
                    });
                });               
            }                    
        });
        this.myGrid = $(#my-grid).data("kendoGrid");
    }

    setColumns(): void {
        var columns = [];
        columns.push({ field: "First", title: "First column" });
        this.data.First = "First column data";        
        for (let i in this.myData) {
            let fieldName: string = "Y" + this.myData[i].Year;
            columns.push(
                {
                    field: fieldName, // or null
                    title: "" + this.myData[i].Year + "",
                    template: "<input class='myTextBoxValue' value='#: " + fieldName + " #' />"
                });            
            this.data[fieldName] = this.myData[i].Value;            
        }
        columns.push({ field: "Total", title: "Total" });
        this.data["Total"] = this.getTotalValue();
        let dataSrc = [];
        dataSrc.push(this.data);
        this.myGrid.setOptions({
            columns: columns,
            dataSource: dataSrc
        });
    }

    getTotalValue() {
        // there are always values before any changes
        // ???
    }

    onValueChange(e: any): void {        
        let t = this.getTotalValue();
        // ???        
    }
}