我有一个asp.net mvc4页面，其中有一个表单和两个网格，但我的问题是网格触发了错误的方法，我不知道出了什么问题。
我的更新方法是调用update方法，其他方法也会触发错误的方法。
有人可以解决这个问题吗？
<%: Html.Kendo().Grid<SSTS.Models.StudentsViewModel>()
.Name("grid")
.Columns(columns =>
{
// columns.Bound(student => student.CustomerName);
columns.Bound(student => student.SchoolYear).Width(160);
columns.Bound(student => student.YearStart).Width(50);
columns.Bound(student => student.YearEnd).Width(50);
columns.Command(commands =>
{
commands.Edit(); // The "edit" command will edit and update data items
commands.Destroy(); // The "destroy" command removes data items
}).Title("Commands").Width(50);
})
.ToolBar(toolbar => toolbar.Create()) // The "create" command adds new data items
.Editable(editable => editable.Mode(GridEditMode.InLine)) // Use inline editing mode
.DataSource(dataSource =>
dataSource.Ajax()
.Model(model =>
{
model.Id(student => student.StudentNumber); // Specify the property which is the unique identifier of the model
// model.Field(student => student.StudentNumber).Editable(false); // Make the studentID property not editable
})
.Create(create => create.Action("students_Create", "Student")) // Action invoked when the user saves a new data item
.Read(read => read.Action("students_Read", "Student")) // Action invoked when the grid needs data
.Update(update => update.Action("students_Update", "Student")) // Action invoked when the user saves an updated data item
.Destroy(destroy => destroy.Action("students_Destroy", "Student")) // Action invoked when the user removes a data item
)
.Pageable()
%>
<%: Html.Kendo().Grid<SSTS.Models.StudentsViewModel>()
.Name("grid2")
.Columns(columns =>
{
// columns.Bound(student => student.CustomerName);
columns.Bound(student => student.BoardingPoint);//.ClientTemplate("#=CustomerNames.CustomerName#").Width(160);
columns.Bound(student => student.StudentNumber).ClientTemplate(
"<a href='" +
Url.Action("ViewStudent", "Home") +
"/#= StudentNumber #'" +
">#= StudentNumber #</a>"
); ;
columns.Bound(student => student.Description).Width(250);
columns.Bound(student => student.NumberofSections).Width(250);
columns.Bound(student => student.ContactNumber).Width(250);
columns.Command(commands =>
{
commands.Edit(); // The "edit" command will edit and update data items
commands.Destroy(); // The "destroy" command removes data items
}).Title("Commands").Width(200);
})
.ToolBar(toolbar => toolbar.Create()) // The "create" command adds new data items
.Editable(editable => editable.Mode(GridEditMode.InLine)) // Use inline editing mode
.DataSource(dataSource =>
dataSource.Ajax()
.Model(model =>
{
model.Id(student => student.StudentNumber); // Specify the property which is the unique identifier of the model
// model.Field(student => student.StudentNumber).Editable(false); // Make the studentID property not editable
// model.Field(p => p.CustomerNames).DefaultValue(
// ViewData["defaultCategory"] as KendoGridAjaxEditing2.Models.CustomerNamesViewModel);
})
.Create(create => create.Action("BoardingPoints_Create", "Student")) // Action invoked when the user saves a new data item
.Read(read => read.Action("BoardingPoints_Read", "Student")) // Action invoked when the grid needs data
.Update(update => update.Action("BoardingPoints_Update", "Student")) // Action invoked when the user saves an updated data item
.Destroy(destroy => destroy.Action("BoardingPoints_Destroy", "Student")) // Action invoked when the user removes a data item
)
.Pageable()
%>
public ActionResult students_Read([DataSourceRequest] DataSourceRequest request)
{
_studNum = HttpContext.Session["StudentNumber"].ToString();
return Json(StudentRepository.GetSchoolYear(_studNum).ToDataSourceResult(request));
}
[AcceptVerbs(HttpVerbs.Post)]
public ActionResult students_Create([DataSourceRequest]DataSourceRequest request, StudentsViewModel students)
{
var results = new List<StudentsViewModel>();
if (students != null )//&& ModelState.IsValid)
{
_studNum = HttpContext.Session["StudentNumber"].ToString();
StudentRepository.InsertSchoolYear(students, _studNum);
results.Add(students);
}
return Json(results.ToDataSourceResult(request, ModelState));
}
[AcceptVerbs(HttpVerbs.Post)]
public ActionResult students_Update([DataSourceRequest]DataSourceRequest request, StudentsViewModel students)
{
if (students != null)
{
_studNum = HttpContext.Session["StudentNumber"].ToString();
StudentRepository.UpdateSchoolYear(students);
UpdateModel(students);
}
return Json(new[] { students }.ToDataSourceResult(request, ModelState));
}
[AcceptVerbs(HttpVerbs.Post)]
public ActionResult students_Destroy([DataSourceRequest]DataSourceRequest request, StudentsViewModel product)
{
_studNum = HttpContext.Session["StudentNumber"].ToString();
StudentRepository.DeleteSchoolYear(product);
return Json(new[] { product }.ToDataSourceResult(request, ModelState));
}
private void PopulateStudents()
{
var dataContext = new SSTSDBDataModelDataContext();
var categories = dataContext.tblMasterStudents
.Select(c => new StudentsViewModel
{
StudentNumber = c.StudentNumber
// StudentNumber=categories
// StudentNumber=categories.
})
.OrderBy(e => e.StudentNumber);
ViewData["students"] = categories;
ViewData["defaultCategory"] = categories.First();
}
public JsonResult GetPrsoducts(string text)
{
var northwind = new SSTSDBDataModelDataContext();
var products = northwind.tblMasterStudents.Select(product => new StudentsViewModel
{
StudentNumber = product.StudentNumber
});
if (!string.IsNullOrEmpty(text))
{
products = products.Where(p => p.StudentNumber.Contains(text));
}
return Json(products, JsonRequestBehavior.AllowGet);
}
public ActionResult BoardingPoints_Read([DataSourceRequest] DataSourceRequest request)
{
_studNum = HttpContext.Session["StudentNumber"].ToString();
return Json(StudentRepository.GetSBoardingPoint(_studNum).ToDataSourceResult(request));
}
[AcceptVerbs(HttpVerbs.Post)]
public ActionResult BoardingPoints_Create([DataSourceRequest]DataSourceRequest request, StudentsViewModel students)
{
var results = new List<StudentsViewModel>();
if (students != null )
{
_studNum = HttpContext.Session["StudentNumber"].ToString();
StudentRepository.InsertBoardingPoint(students, _studNum);
results.Add(students);
}
return Json(results.ToDataSourceResult(request, ModelState));
}
[AcceptVerbs(HttpVerbs.Post)]
public ActionResult BoardingPoints_Update([DataSourceRequest]DataSourceRequest request, StudentsViewModel students)
{
if (students != null )
{
_studNum = HttpContext.Session["StudentNumber"].ToString();
StudentRepository.UpdateBoardingPoint(students);
UpdateModel(students);
}
return Json(new[] { students }.ToDataSourceResult(request, ModelState));
}
[AcceptVerbs(HttpVerbs.Post)]
public ActionResult BoardingPoints_Destroy([DataSourceRequest]DataSourceRequest request, StudentsViewModel product)
{
_studNum = HttpContext.Session["StudentNumber"].ToString();
StudentRepository.DeleteBoardingPoint(product);
return Json(new[] { product }.ToDataSourceResult(request, ModelState));
}
// public tblMasterStudent _stud { get; set; }
}
答案 0 :(得分：0)
Kendo DataSource可能会调用create方法而不是update方法的一个原因是它认为记录是新的。
如果ID为null或0，则可能认为该记录是新的。请确保此处指定的StudentNumber
model.Id(student => student.StudentNumber);
students_Read返回时，不为null或0。