List <model>以Null的形式返回

时间：2017-02-16 20:18:18

标签： c# asp.net model-view-controller

ASP.net的新手，并且有一个涉及具有多个相同类型变量的模型的问题。

我有订单模型，可以有0到n附加的详细模型。当我发布http请求时，我获得了Order的所有信息，除了Detail模型总是返回null。或者更具体地说，List上的“.count”方法是0。

如何让它发布我的模型的所有详细信息？

订单型号：

public struct shipTo
{ 
public string id;
public string Line1;
public int PostalCode;
public string City;
public string State;
public string CountryCode;
}

namespace USS_EDIv2.Models
{


public class Order
{
   public Int64 SalesOrderNumber { get; set; }
    public Int64 PurchaseOrderNumber { get; set; }
    public Int64 BranchPlant { get; set; }
    public shipTo ShipTo;
    public Int64 Quantity { get; set; }
    public string UOM { get; set; }
    public List<Detail> Detail = new List<Detail>();
}



}

详细模型：

namespace USS_EDIv2.Models
{

public class Detail
{
    public string LineNumber;
    public string GradeItem;
    public string Quantity;
    public string UOM;
    public string RequestDate;
    public string Status;

    public Detail()
    {

        LineNumber = "1";
        GradeItem = "1";
        Quantity = "1";
        UOM = "1";
        RequestDate = "1";
        Status = "1";
    }

}
}

存储库类：

namespace USS_EDIv2.Services
{

public class SalesRepository
{
    public DateTime currentTime = System.DateTime.Now;
    private const string CacheKey = "4041tmtTEST1337";
    public string xml;
    public int i;
    public Order[] GetAllSales()
    {
        var ctx = HttpContext.Current;

        if (ctx != null)
        {
            return (Order[])ctx.Cache[CacheKey];
        }

        return new Order[]
    {
        new Order
        {

        }
    };

    }

    public SalesRepository()
    {
        var ctx = HttpContext.Current;

        if (ctx != null)
        {
            if (ctx.Cache[CacheKey] == null)
            {
                var sales = new Order[]
                     {

                     };

                {
                };
                ctx.Cache[CacheKey] = sales;
                //ctx.Cache.Remove("4041tmtTEST1337");
            }
        }
    }

    public bool SaveSale(Order sales)
    {
        var ctx = HttpContext.Current;

        if (ctx != null)
        {
            try
            {

                var currentData = ((Order[])ctx.Cache[CacheKey]).ToList();


                currentData.Add(sales);

                ctx.Cache[CacheKey] = currentData.ToArray();

                return true;
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.ToString());
                return false;
            }
        }

        return false;
    }

}
}

我的控制器：

namespace USS_EDIv2.Controllers
{
public class NewOrderController : ApiController
{
    public DateTime currentTime = System.DateTime.Now;
    private SalesRepository salesRepository;
    public int i;

    public NewOrderController()
    {
        this.salesRepository = new SalesRepository();
    }

    public Order[] Get()
    {
        return salesRepository.GetAllSales();
    }


    public HttpResponseMessage Post(Order sale)
    {
        var ctx = HttpContext.Current;

        this.salesRepository.SaveSale(sale);

        var response = Request.CreateResponse<Order>  (System.Net.HttpStatusCode.Created, sale);

        return response;
    }



}

}

这是要求的XML数据：

<Order>

<SalesOrderNumber>1294288</SalesOrderNumber>

<PurchaseOrderNumber>81896</PurchaseOrderNumber>

<BranchPlant>9701</BranchPlant>

<ShipTo id="string">

<Line1>RAIL TRACK #769 SPOT 00</Line1>

<PostalCode>79765</PostalCode>

<City>MIDLAND COUNTY</City>

<State>TX</State>

<CountryCode>US</CountryCode>

</ShipTo>

<Quantity>75</Quantity>

<UOM>TN</UOM>



<Detail created="2015-12-14T13:59:57.84" action="Create">

<LineNumber>1.0</LineNumber>

<GradeItem>97010B00000</GradeItem>

<Quantity>25.000</Quantity>

<UOM>TN</UOM>

<RequestDate>2015-07-11</RequestDate>

<Status>Open</Status>

</Detail>


<Detail created="2015-12-14T13:59:57.84" action="Create">

<LineNumber>2.0</LineNumber>

<GradeItem>97010B00000</GradeItem>

<Quantity>25</Quantity>

<UOM>TN</UOM>

<RequestDate>2002-02-07</RequestDate>

<Status>Open</Status>

</Detail>


<Detail created="2015-05-22T02:29:50.78" action="Create">

<LineNumber>3.0</LineNumber>

<GradeItem>97010B00000</GradeItem>

<Quantity>25</Quantity>

<UOM>TN</UOM>

<RequestDate>2015-07-11</RequestDate>

<Status>Open</Status>

</Detail>

</Order>

这是我目前的回应：

<ArrayOfOrder xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"   xmlns:xsd="http://www.w3.org/2001/XMLSchema">
<Order>
<ShipTo>
<Line1>RAIL TRACK #769 SPOT 00</Line1>
<PostalCode>79765</PostalCode>
<City>MIDLAND COUNTY</City>
<State>TX</State>
<CountryCode>US</CountryCode>
</ShipTo>
************HERE LIES THE PROBLEM
<Detail/>
************
<SalesOrderNumber>1294288</SalesOrderNumber>
<PurchaseOrderNumber>81896</PurchaseOrderNumber>
<BranchPlant>9701</BranchPlant>
<Quantity>75</Quantity>
<UOM>TN</UOM>
</Order>
</ArrayOfOrder>

我也无法控制更改传入的xml数据的格式。正确方向的任何指针都会有所帮助。

调试：

[debug]（http://imgur.com/RVnpZ0S）

1 个答案:

答案 0 :(得分：1)

好的，

所以我通过将XML数据复制到剪贴板上，创建了一个新类然后转到Edit - ＆gt;来解决这个问题。选择性粘贴 - ＆gt;将XML粘贴为类

它想出了这个：

namespace USS_EDIv2.Models
{
public class Orders
{
}
/// <remarks/>
[System.Xml.Serialization.XmlTypeAttribute(AnonymousType = true)]
[System.Xml.Serialization.XmlRootAttribute(Namespace = "", IsNullable = false)]
public partial class Order
{

    private uint salesOrderNumberField;

    private uint purchaseOrderNumberField;

    private ushort branchPlantField;

    private OrderShipTo shipToField;

    private byte quantityField;

    private string uOMField;

    private OrderDetail[] detailField;

    /// <remarks/>
    public uint SalesOrderNumber
    {
        get
        {
            return this.salesOrderNumberField;
        }
        set
        {
            this.salesOrderNumberField = value;
        }
    }

    /// <remarks/>
    public uint PurchaseOrderNumber
    {
        get
        {
            return this.purchaseOrderNumberField;
        }
        set
        {
            this.purchaseOrderNumberField = value;
        }
    }

    /// <remarks/>
    public ushort BranchPlant
    {
        get
        {
            return this.branchPlantField;
        }
        set
        {
            this.branchPlantField = value;
        }
    }

    /// <remarks/>
    public OrderShipTo ShipTo
    {
        get
        {
            return this.shipToField;
        }
        set
        {
            this.shipToField = value;
        }
    }

    /// <remarks/>
    public byte Quantity
    {
        get
        {
            return this.quantityField;
        }
        set
        {
            this.quantityField = value;
        }
    }

    /// <remarks/>
    public string UOM
    {
        get
        {
            return this.uOMField;
        }
        set
        {
            this.uOMField = value;
        }
    }

    /// <remarks/>
    [System.Xml.Serialization.XmlElementAttribute("Detail")]
    public OrderDetail[] Detail
    {
        get
        {
            return this.detailField;
        }
        set
        {
            this.detailField = value;
        }
    }
}

/// <remarks/>
[System.Xml.Serialization.XmlTypeAttribute(AnonymousType = true)]
public partial class OrderShipTo
{

    private string line1Field;

    private uint postalCodeField;

    private string cityField;

    private string stateField;

    private string countryCodeField;

    private string idField;

    /// <remarks/>
    public string Line1
    {
        get
        {
            return this.line1Field;
        }
        set
        {
            this.line1Field = value;
        }
    }

    /// <remarks/>
    public uint PostalCode
    {
        get
        {
            return this.postalCodeField;
        }
        set
        {
            this.postalCodeField = value;
        }
    }

    /// <remarks/>
    public string City
    {
        get
        {
            return this.cityField;
        }
        set
        {
            this.cityField = value;
        }
    }

    /// <remarks/>
    public string State
    {
        get
        {
            return this.stateField;
        }
        set
        {
            this.stateField = value;
        }
    }

    /// <remarks/>
    public string CountryCode
    {
        get
        {
            return this.countryCodeField;
        }
        set
        {
            this.countryCodeField = value;
        }
    }

    /// <remarks/>
    [System.Xml.Serialization.XmlAttributeAttribute()]
    public string id
    {
        get
        {
            return this.idField;
        }
        set
        {
            this.idField = value;
        }
    }
}

/// <remarks/>
[System.Xml.Serialization.XmlTypeAttribute(AnonymousType = true)]
public partial class OrderDetail
{

    private decimal lineNumberField;

    private string gradeItemField;

    private decimal quantityField;

    private string uOMField;

    private System.DateTime requestDateField;

    private string statusField;

    private System.DateTime createdField;

    private string actionField;

    /// <remarks/>
    public decimal LineNumber
    {
        get
        {
            return this.lineNumberField;
        }
        set
        {
            this.lineNumberField = value;
        }
    }

    /// <remarks/>
    public string GradeItem
    {
        get
        {
            return this.gradeItemField;
        }
        set
        {
            this.gradeItemField = value;
        }
    }

    /// <remarks/>
    public decimal Quantity
    {
        get
        {
            return this.quantityField;
        }
        set
        {
            this.quantityField = value;
        }
    }

    /// <remarks/>
    public string UOM
    {
        get
        {
            return this.uOMField;
        }
        set
        {
            this.uOMField = value;
        }
    }

    /// <remarks/>
    [System.Xml.Serialization.XmlElementAttribute(DataType = "date")]
    public System.DateTime RequestDate
    {
        get
        {
            return this.requestDateField;
        }
        set
        {
            this.requestDateField = value;
        }
    }

    /// <remarks/>
    public string Status
    {
        get
        {
            return this.statusField;
        }
        set
        {
            this.statusField = value;
        }
    }

    /// <remarks/>
    [System.Xml.Serialization.XmlAttributeAttribute()]
    public System.DateTime created
    {
        get
        {
            return this.createdField;
        }
        set
        {
            this.createdField = value;
        }
    }

    /// <remarks/>
    [System.Xml.Serialization.XmlAttributeAttribute()]
    public string action
    {
        get
        {
            return this.actionField;
        }
        set
        {
            this.actionField = value;
        }
    }
}

以防万一有人偶然发现这个问题。什么给了我几个小时的头痛需要3次点击解决...感谢所有的回复。

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