Question

我有在Aajax请求上向db添加数据的方法

以下是后端代码

   public ActionResult AddingInternalAppointment(string Start, string End, string Title, DateTime Date,int id)
    {

        using (var ctx = new ApplicationDbContext())
        {

            Appointment appointmentInt = new Appointment()
            {
                Start_appointment = Start,
                End_appointment = End,
                Title = Title,
                Type_of_appointment = "Internal",
                Date = Date
            };
            ctx.Appointments.Add(appointmentInt);
            ctx.SaveChanges();
            return Json(new {Result = "Success", Message = "Saved Successfully"});
        }
    }

这是前端的AJAX请求：

function addAppointmentInternal() {
    var idofdoctor = moment($('#startAppointment').val()).toISOString();
    alert(idofdoctor);
    $.ajax({
        type: 'Post',
        dataType: 'Json',
        data: {
            Start: $('#startAppointment').val(),
            End: $('#endAppointment').val(),
            Title: $('#title').val(),
            Date: moment($('#startAppointment').val()).toISOString()
        },
        url: '@Url.Action("AddingInternalAppointment","Calendar")',
        success: function (da) {
            if (da.Result === "Success") {
                $('#calendar').fullCalendar('refetchEvents');
                $("#myModal2").modal();
            } else {
                alert('Error' + da.Message);
            }
        },
        error: function(da) {
            alert('Error');
        }
    });
}

当我调用此函数时，它会显示此错误，但我在Date中有值。

我如何解决这个问题？

Answer 1

尝试将参数名称Date更改为其他内容（例如appointmentDate）。你需要在ajax调用中改变它。

Answer 2

一些事情。

为Action

创建模型

public class AppointmentOptions {
    public string Start { get; set;} 
    public string End { get; set;} 
    public string Title { get; set;} 
    public DateTime Date { get; set;} 
    public int Id { get; set;} 
}

相应地更新行动

[HttpPost]
public ActionResult AddingInternalAppointment([FromBody]AppointmentOptions model) {
    if(ModelState.IsValid) {
        string Start = model.Start;
        string End = model.End;
        //...
    //...code removed for brevity
}

接下来在客户端更新ajax调用

function addAppointmentInternal() {
    var idofdoctor = moment($('#startAppointment').val()).toISOString();
    var model = {
            Start: $('#startAppointment').val(),
            End: $('#endAppointment').val(),
            Title: $('#title').val(),
            Date: moment($('#startAppointment').val()).toISOString()
        };
    alert(idofdoctor);
    $.ajax({
        type: 'Post',
        dataType: 'Json',
        data: JSON.stringify(model), //<-- NOTE
        url: '@Url.Action("AddingInternalAppointment","Calendar")',
        success: function (da) {
            if (da.Result === "Success") {
                $('#calendar').fullCalendar('refetchEvents');
                $("#myModal2").modal();
            } else {
                alert('Error' + da.Message);
            }
        },
        error: function(da) {
            alert('Error');
        }
    });
}

参数字典包含参数的空条目（ASP.NET）

2 个答案: