不在mvc视图中更新html表值

Question

我希望通过从SharePoint列表中检索来显示表中的一些记录。我将它用作@HtmlBeginForm用于提交目的。 在我的情况下，有三个按钮，

• 上一页 - 预览以前的日期记录

• next - 预览下一个日期记录

• 提交 - 更新共享点列表（更改表值后）

• 页面加载时从今天到最后7天将数据加载到表格。

在我的情况下，虽然记录检索正确，但表格不会显示更新的值。它显示默认加载的值。

我的表 - ：

@using (Html.BeginForm())
                {

                    <table  border="1" class="table timetrack-tb">

                        <tr>
                            <th>Projects</th>
                            @for (var date = @Model.Dates.AddDays(-(@Model.DateRange - 1)); date <= @Model.Dates; date = date.AddDays(1))
                            {
                                <th>@date.Day/@date.Month/@date.Year</th>
                            }
                            <th>Total</th>
                        </tr>
                        @{ double[] totalForDay = new double[@Model.DateRange+1];
                         double[] total = new double[@Model.TimeTrakings.Count];}

                        @for (int i = 0; i < @Model.TimeTrakings.Count; i++)
                        {

                            var projectName = @Model.TimeTrakings[i][0].ProjectName;
                            int index = 0;
                            <tr>
                                <td>
                                    @Model.TimeTrakings[i][0].ProjectName
                                </td>
                                @for (int j = 0; j <= Model.TimeTrakings[i].Count(); j++)
                                {
                                    if (j != Model.TimeTrakings[i].Count())
                                   {
                                         totalForDay[index] = totalForDay[index] + @Model.TimeTrakings[i][j].Hours;
                                    total[i] = total[i] + @Model.TimeTrakings[i][j].Hours;   
                                    <td>
                                        @Html.EditorFor(model => @Model.TimeTrakings[i][j].Hours)
                                        @Html.HiddenFor(x => x.TimeTrakings[i][j].Id)
                                        @Html.HiddenFor(x => x.DateRange)
                                        @Html.HiddenFor(x => x.TimeTrakings[i][j].ProjectName)
                                        @Html.HiddenFor(x => x.TimeTrakings[i][j].ProjectCode)
                                        @Html.HiddenFor(x => x.TimeTrakings[i][j].Date)
                                    </td>
                                    index++;
                                    }
                                    else
                                    {
                                        totalForDay[index] = totalForDay[index] + total[i];
                                        index++;
                                    }

                                }
                                <td>@total[i]</td>
                            </tr>
                        }

                        <tr>
                            <td>Total for day</td>
                            @foreach (var tot in totalForDay)
                            {
                                <td>@tot</td>
                            }
                        </tr>
                    </table>

                    <input type="submit" name="prevBtn" value="Prev" />
                    <input type="submit" name="NextBtn" value="Next" />
                    <input  type="submit" name="SubmitBtn"  value="Submit"/>
                }

我的控制器方法：

public ActionResult Index(TimeTracking timeTracking)
        {
            DateTime today = DateTime.Today;
            int lengthOfTable = timeTracking.DateRange;
            if (Request.Form["SubmitBtn"] != null)
            { 
                timeTrackManager.UpdateTimeTrackingList(timeTracking);
                today = DateTime.Today;
                lengthOfTable = timeTracking.DateRange;
            }
            else if (Request.Form["prevBtn"] != null)
            {
                today = timeTracking.TimeTrakings[0][0].Date.AddDays(-1);
                lengthOfTable = timeTracking.DateRange;

            }
            else if (Request.Form["NextBtn"] != null)
            {
                today = timeTracking.TimeTrakings[0][0].Date.AddDays(timeTracking.DateRange);
                lengthOfTable = timeTracking.DateRange;
            }

            return View(this.ReceiveTimeTrackingData(today, lengthOfTable));
        }