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在表格视图ASP.NET MVC中显示从AJAX请求到Controller的动态数据

[英]Displaying dynamic data from AJAX request to Controller in table view ASP.NET MVC

我试图将通过AJAX调用从Controller返回的数据传递到要求使用过滤器的视图内的表中。 更准确地说,有3个过滤器:日期和时间,员工和访客。 根据您选择的组合,Controller将从数据库中返回过滤的数据。

加载视图后,它将显示数据库中所有在Departure字段中具有值的访问者。 我希望它在应用过滤器后显示经过过滤的访问者。

Archive.cshtml

@model IEnumerable<Visitor_Management.Models.Visitor>

@{
    ViewBag.Title = "Archive";
}

<div>
    <h2>"Archive"</h2>
    <div>&nbsp;</div>
</div>
<form class="form-inline" id="formFilters" runat="server">
    <div>
        <label style="margin-left:10px;">Date and time:</label>
        <input type="text" name="picker" id="picker" class="form-control" size="30" />
        <label style="margin-left:10px;">Employee:</label>
        <input type="text" id="employee" class="form-control" placeholder="select an employee" />
        <label style="margin-left:10px;">Visitor:</label>
        <input type="text" id="visitor" placeholder="select a visitor" class="form-control" style="margin-right:20px;" />
        <button type="submit" class="btn navbar-btn btn-primary " name="filter" id="filter" value="filter">Filter</button>
    </div>

    <div>&nbsp;</div>
</form>
<table class="table table-bordered table-condensed table-striped text-center" id="archiveTable">

    <tr>

        <th class="text-center">
            @Html.DisplayNameFor(model => model.ID)
        </th>

        <th class="text-center">
            @Html.DisplayNameFor(model => model.Date)
        </th>

        <th class="text-center">
            @Html.DisplayNameFor(model => model.Arrival)
        </th>

        <th class="text-center">
            @Html.DisplayNameFor(model => model.Departure)
        </th>

        <th class="text-center">
            @Html.DisplayNameFor(model => model.Name)
        </th>
        <th class="text-center">
            @Html.DisplayNameFor(model => model.Surname)
        </th>
        <th class="text-center">
            @Html.DisplayNameFor(model => model.Employee)
        </th>
        <th class="text-center">
            ID Card
        </th>
        <th class="text-center">
            Pass ID
        </th>

    </tr>

    @foreach (var item in Model)
    {
     var Date = item.Datum.ToShortDateString();
     <tr>
        <td>
            @Html.DisplayFor(modelItem => item.ID)
        </td>
        <td>
            @Html.DisplayFor(modelItem => Date)
        </td>
        <td>
            @Html.DisplayFor(modelItem => item.Arrival)
        </td>
        <td>
            @Html.DisplayFor(modelItem => item.Departure)
        </td>
        <td>
            @Html.DisplayFor(modelItem => item.Name)
        </td>
        <td>
            @Html.DisplayFor(modelItem => item.Surname)
        </td>
        <td>
            @Html.DisplayFor(modelItem => item.Employee)
        </td>
        <td>
            @Html.DisplayFor(modelItem => item.CardID)
        </td>
        <td>
            @Html.DisplayFor(modelItem => item.PassID)
        </td>

     </tr>

     }

</table>

AJAX电话

<script>
    $('#filter').click(function () {
        $.ajax({
            url: "Filter",
            data: {
                'datepicker': $('#picker').val().toString(),
                'employee': $('#employee').val().toString(),
                'visitor' : $('#visitor').val().toString()
            },
            async: false,
            dataType: "json",
            contentType: "application/json;charset=utf-8",
            type: "POST", 
            success: function (result) {
                alert("Works");
                $('#archiveTable').html(result)
            },
            error: function (result) {
                alert("Error")
            }
        }); 
    });  
</script>

VisitorsController.cs

public ActionResult Filter(string datepicker,string employee,string visitor)
        {
         List<Visitor> filterList = new List<Visitor>();

            //filter data to get an filtered list

            return View("Archive",filterList);
        }

它说它是从AJAX成功部分的警报中“起作用”的,但是我没有在表中得到任何新的(过滤的)数据,就像什么也没有发生一样,并且视图只是重新加载(刷新)了。

如果我返回JSON类型,并且ActionResultJsonResult ,则可以读取数据,并且过滤后的数据是正确且正确的,但仍然无法将该数据加载到表中。

尝试在局部视图中取出表(我们称其为_ResultTable并将表放入div中,视图中带有resultTable id):

@model IEnumerable<Visitor_Management.Models.Visitor>

@{
    ViewBag.Title = "Archive";
}

<div>
    <h2>"Archive"</h2>
    <div>&nbsp;</div>
</div>
<form class="form-inline" id="formFilters" runat="server">
    <div>
        <label style="margin-left:10px;">Date and time:</label>
        <input type="text" name="picker" id="picker" class="form-control" size="30" />
        <label style="margin-left:10px;">Employee:</label>
        <input type="text" id="employee" class="form-control" placeholder="select an employee" />
        <label style="margin-left:10px;">Visitor:</label>
        <input type="text" id="visitor" placeholder="select a visitor" class="form-control" style="margin-right:20px;" />
        <button type="submit" class="btn navbar-btn btn-primary " name="filter" id="filter" value="filter">Filter</button>
    </div>

    <div>&nbsp;</div>
</form>
<div id="resultTable">
     @Html.Partial("_ResultTable", Model)
</div>

部分视图:

@model IEnumerable<Visitor_Management.Models.Visitor>
<table class="table table-bordered table-condensed table-striped text-center" id="archiveTable">

        <tr>

            <th class="text-center">
                @Html.DisplayNameFor(model => model.ID)
            </th>

            <th class="text-center">
                @Html.DisplayNameFor(model => model.Date)
            </th>

            <th class="text-center">
                @Html.DisplayNameFor(model => model.Arrival)
            </th>

            <th class="text-center">
                @Html.DisplayNameFor(model => model.Departure)
            </th>

            <th class="text-center">
                @Html.DisplayNameFor(model => model.Name)
            </th>
            <th class="text-center">
                @Html.DisplayNameFor(model => model.Surname)
            </th>
            <th class="text-center">
                @Html.DisplayNameFor(model => model.Employee)
            </th>
            <th class="text-center">
                ID Card
            </th>
            <th class="text-center">
                Pass ID
            </th>

        </tr>

        @foreach (var item in Model)
        {
         var Date = item.Datum.ToShortDateString();
         <tr>
            <td>
                @Html.DisplayFor(modelItem => item.ID)
            </td>
            <td>
                @Html.DisplayFor(modelItem => Date)
            </td>
            <td>
                @Html.DisplayFor(modelItem => item.Arrival)
            </td>
            <td>
                @Html.DisplayFor(modelItem => item.Departure)
            </td>
            <td>
                @Html.DisplayFor(modelItem => item.Name)
            </td>
            <td>
                @Html.DisplayFor(modelItem => item.Surname)
            </td>
            <td>
                @Html.DisplayFor(modelItem => item.Employee)
            </td>
            <td>
                @Html.DisplayFor(modelItem => item.CardID)
            </td>
            <td>
                @Html.DisplayFor(modelItem => item.PassID)
            </td>

         </tr>

         }

    </table>

然后从控制器操作中将其返回:

public ActionResult Filter(string datepicker,string employee,string visitor)
{
    List<Visitor> filterList = new List<Visitor>();

     //filter data to get an filtered list

     return PartialView("_ResultTable",filterList);
 }

在您的ajax帖子中,只需将div的html设置为操作结果即可。 并且您需要添加preventDefault来提交按钮,这样它就不会两次提交您的表单。

<script>
    $('#filter').click(function (e) {
        e.preventDefault();
        $.ajax({
            url: "Filter",
            data: {
                'datepicker': $('#picker').val().toString(),
                'employee': $('#employee').val().toString(),
                'visitor' : $('#visitor').val().toString()
            },
            async: false,
            dataType: "json",
            contentType: "application/json;charset=utf-8",
            type: "POST", 
            success: function (result) {
                alert("Works");
                $('#resultTable').html(result)
            },
            error: function (result) {
                alert("Error")
            }
        }); 
    });  
</script>

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