KendoUI Grid - ForeignKey列在PopUp编辑模式下不起作用

Question

我已经搜遍了整个地方(轻描淡写),为我的案子解决方案直到现在都无济于事.首先,我将解释我的情景:

• 我将OpenAccess模型公开为WCF数据服务(oData v3);
• 我有一个Kendo MVC应用程序;
• 我有一个带网格的View,设置为PopUp编辑,AJAX Bound;

在发布一些代码之前,让我解释一下我的问题/难度.我有一个具有以下属性的实体:

• TextoID
• TITULO;
• CORPO;
• TipoTextoID;
• TipoTexto;

有一个ForeignKey列设置为TipoTextoID属性,可以在内联或弹出模式下正确填充.但是,当涉及到更改数据时,它只能在线模式下工作.这是我的问题,我需要它在弹出窗口中工作,因为"Corpo"属性绑定到KEndoUI编辑器.

在弹出窗口中,它不会在下拉列表中显示正确的值,也不会在我们选择它时更改它.

老实说,我感觉很愚蠢.我试过几乎每一个样本,帖子,文章我都找不到用,我也很无能为力.

我希望有人可以帮助我.在此先感谢所有人!

所以,这是代码.风景:

    @model IEnumerable<KendoMVC.CostSimulatorService.Texto>

@{
    ViewBag.Title = "Textos";
    Layout = "~/Views/Shared/_Layout.cshtml";
}

<h2>Textos</h2>

@(Html.Kendo().Grid(Model) // Bind the grid to the Model property of the view
      .Name("Grid")
      .Columns(columns =>
      {
          columns.Bound(p => p.Titulo);   //Create a column bound to the "ProductID" property
          //columns.Bound(p => p.IsPrivado).ClientTemplate("<input type='checkbox' #= IsPrivado ? checked='checked': '' # class='chkbx' />"); //Create a column bound to the "ProductName" property
          columns.Template(@<text></text>).ClientTemplate("<input type='checkbox' #= IsPrivado ? checked='checked': '' # class='chkbx' />"); //Create a column bound to the "ProductName" property
          //columns.Bound(p => p.TiposTexto);
          columns.ForeignKey(p => p.TipoTextoID, 
                                 (System.Collections.IEnumerable)ViewData["TiposTexto"], 
                                 "TipoTextoID", 
                                 "Designacao")
                            .Title("Tipo de texto").Width(150);
          columns.Command(command => 
          { 
              command.Edit(); 
              command.Destroy(); 
          }).Width(200);
      })
      .ToolBar(commands => commands.Create())
      .Editable(editable => editable.Mode(GridEditMode.PopUp).TemplateName("Texto"))
      .DataSource(dataSource => dataSource
            .Ajax() //specify server type
            .Model(model =>
            {
                model.Id(texto => texto.TextoID); // Specify the property which is the unique identifier of the model
                model.Field(texto => texto.TextoID).Editable(false); // Make the ProductID property not editable
            })
            .Create(create => create.Action("CreateTexto", "BackOffice"))
            .Read(read => read.Action("ReadTextos", "BackOffice"))
            .Update(update => update.Action("UpdateTexto", "BackOffice"))
            .Destroy(destroy => destroy.Action("DestroyTexto", "BackOffice")))
     .Pageable() // Enable paging
     .Sortable() // Enable sorting
     .Selectable()
     .Filterable()
     .Scrollable()
         )

<script type="text/javascript">
    $(document).ready(function() {        
        $("form.k-edit-form").kendoValidator();
    });
</script>

接下来,然后模板:

@using System.Web.Mvc.Html;

@model KendoMVC.CostSimulatorService.Texto

Introduza o conteúdo que deseja

@Html.HiddenFor(model => model.TextoID)
<div id="divWrapper" style="width:99%; float:left;">
    <div>
        @Html.LabelFor(model => model.Titulo)
    </div>
    <div>
        @Html.EditorFor(model => model.Titulo)
        @Html.ValidationMessageFor(model => model.Titulo)
    </div>

    <div>
        @Html.LabelFor(model => model.Corpo)
    </div>
    <div>
        @(Html.Kendo().EditorFor(model => model.Corpo))
        @Html.ValidationMessageFor(model => model.Corpo)
    </div>
    <div>
        @Html.LabelFor(model => model.TipoTextoID)
    </div>
    <div>
        @*@(Html.Kendo().DropDownListFor(model => model.TiposTexto))
        @Html.ValidationMessageFor(model => model.TiposTexto)*@
        @(Html.Kendo().DropDownListFor(m => m.TipoTextoID)
            .Name("TiposTexto")
            .DataTextField("Designacao")
            .DataValueField("TipoTextoID")
            .BindTo((System.Collections.IEnumerable) 
           ViewData["TiposTexto"]))
    </div>
</div>

控制器:

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using Kendo.Mvc.Extensions;
using Kendo.Mvc.UI;
using KendoMVC.CostSimulatorService;

namespace KendoMVC.Controllers
{
    public partial class BackOfficeController : Controller
    {
        #region CRUD

        #region ReadTextos

        public ActionResult ReadTextos([DataSourceRequest]DataSourceRequest request)
        {
            CostSimulatorModel modelo = new CostSimulatorModel(new Uri(@"http://localhost:53212/CostSimulatorModelService.svc/"));

            IQueryable<Texto> textos = modelo.Textos;
            DataSourceResult resultado = textos.ToDataSourceResult(request);
            ViewData["Textos"] = textos;
            return Json(resultado, JsonRequestBehavior.AllowGet);
        }

        #endregion

        #region CreateTexto

        public ActionResult CreateTexto([DataSourceRequest]DataSourceRequest request, Texto texto)
        {
            if (ModelState.IsValid)
            {
                CostSimulatorModel modelo = new CostSimulatorModel(new Uri(@"http://localhost:53212/CostSimulatorModelService.svc/"));

                // Create a new Product entity and set its properties from the posted ProductViewModel
                Texto entity = new Texto
                {
                    TextoID = texto.TextoID,
                    Titulo = texto.Titulo,
                    Corpo = texto.Corpo,
                    IsPrivado = texto.IsPrivado,
                    TipoTextoID = texto.TipoTextoID,
                    TiposTexto = texto.TiposTexto
                };
                modelo.AddToTextos(entity);
                // Insert the entity in the database
                modelo.SaveChanges();
                // Get the ProductID generated by the database
                texto.TextoID = entity.TextoID;
            }
            // Return the inserted product. The grid needs the generated ProductID. Also return any validation errors.
            return Json(new[] { texto }.ToDataSourceResult(request, ModelState));
        }

        #endregion

        #region UpdateTexto

        public ActionResult UpdateTexto([DataSourceRequest]DataSourceRequest request, Texto texto)
        {
            if (ModelState.IsValid)
            {
                CostSimulatorModel modelo = new CostSimulatorModel(new Uri(@"http://localhost:53212/CostSimulatorModelService.svc/"));

                // Create a new Product entity and set its properties from the posted ProductViewModel
                var entity = new Texto
                {
                    TextoID = texto.TextoID,
                    Titulo = texto.Titulo,
                    Corpo = texto.Corpo,
                    IsPrivado = texto.IsPrivado,
                    TipoTextoID = texto.TipoTextoID,
                    TiposTexto = texto.TiposTexto
                };
                // Attach the entity
                modelo.AttachTo("Textos", entity);
                modelo.UpdateObject(entity);
                // Update the entity in the database
                modelo.SaveChanges();

            }
            // Return the updated product. Also return any validation errors.
            return Json(new[] { texto }.ToDataSourceResult(request, ModelState));
        }

        #endregion

        #region DestroyTexto

        public ActionResult DestroyTexto([DataSourceRequest]DataSourceRequest request, Texto texto)
        {
            if (ModelState.IsValid)
            {
                CostSimulatorModel modelo = new CostSimulatorModel(new Uri(@"http://localhost:53212/CostSimulatorModelService.svc/"));

                // Create a new Product entity and set its properties from the posted ProductViewModel
                var entity = new Texto
                {
                    TextoID = texto.TextoID
                    //Titulo = texto.Titulo,
                    //Corpo = texto.Corpo,
                    //IsPrivado = texto.IsPrivado,
                    //TipoTextoID = texto.TipoTextoID
                };
                // Attach the entity
                modelo.AttachTo("Textos", entity);
                // Delete the entity
                modelo.DeleteObject(entity);

                // Delete the entity in the database
                modelo.SaveChanges();
            }
            // Return the removed product. Also return any validation errors.
            return Json(new[] { texto }.ToDataSourceResult(request, ModelState));
        }

        #endregion

        #endregion
    }
}

Answer 1

我终于在KendoUI的高级论坛的宝贵帮助下解决了这个问题.

因此,要阻止这种情况发生,应该使用ForeignKeyColumn的默认编辑器模板作为"TipoTextoID"的编辑器,如下所示:

模型:

[UIHint("GridForeignKey")]
public int EmployeeID { get; set; }

自定义弹出模板:

@(Html.EditorFor(m => m.EmployeeID))     

而不是使用@(Html.Kendo().DropDownListFor(m => m.TipoTextoID)

希望这可以帮助其他人在同样的事情上挣扎.

祝一切顺利!