我使用带弹出窗口编辑器的Kendo Grid来显示数据库中的行。这些行来自“FemaleAdvice”表。每个FemaleAdvice对象将属于一个FemaleCategory,因为FemaleCategory是一个查找表,并且当用户选择一个FemaleCategory时,将显示一个FemaleAdvice对象标题和说明列表。单击添加新记录时,Kendo Grid Popup不会触发
在让用户编辑一个FemaleAdvice对象属于哪个FemaleCategory的情况下,显示类别的标题而不是数据库Key是有意义的。我已经采取了几个步骤来做到这一点,但现在当我点击“添加新记录”时,控制台中出现“Uncaught:ReferenceError:Category is not defined”错误。我觉得这很容易,但我对MVC /剑道有点新鲜,所以我的无知正在显现。我的代码如下:
//FemaleAdvice Model
[Key]
[ScaffoldColumn(false)]
public Int64 FemaleAdviceKey { get; set; }
public string Title { get; set; }
public string Description { get; set; }
[Required]
[UIHint("FemaleCategoryKey")]
[DisplayName("Female Category")]
public Int64 FemaleCategoryKey { get; set; }
public virtual FemaleCategory Category { get; set; }
[UIHint("Body")]
public string Body { get; set; }
[ScaffoldColumn(false)]
public DateTime LastUpdated { get; set; }
//*************FemaleAdvice View**************
@(Html.Kendo().Grid<com.RomanceCoachOnTheGo.MVC.Models.FemaleAdvice>()
.Name("FemaleAdvice")
.ToolBar(toolbar =>
{
toolbar.Create();
})
.DataSource(dataSource => dataSource
.Ajax()
.Model(item => { item.Id(m => m.FemaleAdviceKey); })
.Create(c => c.Action("CreateFemaleAdvice", "Administrator"))
.Read(r => r.Action("ReadFemaleAdvice", "Administrator"))
.Update(u => u.Action("UpdateFemaleAdvice", "Administrator"))
.Destroy(d => d.Action("DeleteFemaleAdvice", "Administrator"))
)
.Columns(col =>
{
col.Bound(c => c.FemaleCategoryKey).ClientTemplate("#=Category.Title#");
col.Bound(c => c.Title);
col.Bound(c => c.Description);
col.Bound(c => c.Body);
col.Command(command => { command.Edit(); command.Destroy(); });
})
.Editable(editing => editing.Mode(GridEditMode.PopUp))
.Sortable()
.Pageable()
.Filterable()
)
//***********Relevant Controller Action***************
public ActionResult ReadFemaleAdvice([DataSourceRequest] DataSourceRequest request)
{
List<FemaleAdvice> advice = _db.FemaleAdvice.Include("Category").AllActive().ToList();
return Json(advice.ToDataSourceResult(request), JsonRequestBehavior.AllowGet);
}
public ActionResult CreateFemaleAdvice([DataSourceRequest] DataSourceRequest request, FemaleAdvice advice)
{
if (ModelState.IsValid)
{
advice.IsActive = true;
_db.FemaleAdvice.Add(advice);
_db.SaveChanges();
}
return Json(new[] { advice }.ToDataSourceResult(request), JsonRequestBehavior.AllowGet);
}
编辑exising记录时是否出现同样的错误,或者只有在添加新记录时才会出现这种错误? – jebar8
仅当我添加新记录时。编辑正常。 –
Oosh,我刚刚意识到,编辑会在FemaleCategory表中创建一个重复的行。 –