标签: child-objects

我有一个类,它采用标准的地址属性并存储它们.State属性的类型为USStateCodesType.以下是用于存储属性的代码示例:

[System.CodeDom.Compiler.GeneratedCodeAttribute("System.Xml", "4.0.30319.225")]
[System.SerializableAttribute()]
[System.Diagnostics.DebuggerStepThroughAttribute()]
[System.ComponentModel.DesignerCategoryAttribute("code")]
[System.Xml.Serialization.XmlTypeAttribute(AnonymousType=true, Namespace="http://SP/Items/Schemas")]
public partial class BusinessAddress
{

    private string address1Field;

    private string address2Field;

    private string cityField;

    private USStateCodesType stateField;

    private bool stateFieldSpecified;

    private string zipField;

    /// <remarks/>
    public string Address1
    {
        get
        {
            return this.address1Field;
        }
        set
        {
            this.address1Field = value;
        }
    }

USStateCodesType包含带字符串键和值的私有字典.默认构造函数加载字典并由任何重载调用.国家只有一个公共财产.编码如下:

    public string State
    {
        get
        {
            return iDict[_key];
        }
        set
        {
            if (iDict.ContainsValue(value))
            {
                foreach (string k in iDict.Keys)
                    if (iDict[k] == value)
                        _key = k;
            }
            else
                _key = …

我正在尝试更新资源,如下所示:

  public void Update(Resource resource) {

   Resource _resource = _resourceRepository.First(r => r.Id == resource.Id);

   _resource.Content = resource.Content;
   _resource.Description = resource.Description;
   _resource.Locked = resource.Locked;
   _resource.Name = resource.Name;

   _resource.Restrictions.ToList().ForEach(r => _resource.Restrictions.Remove(r));

   foreach (Restriction restriction in resource.Restrictions)
    _resource.Restrictions.Add(new Restriction { Property = _propertyRepository.First(p => p.Id == restriction.Property.Id), Value = restriction.Value });

  } // Update

我有一些类似的工作,创建一个只有一个区别的资源:我没有删除限制.

我收到以下错误:

来自'Restrictions_ResourceId_FK'AssociationSet的关系处于'已删除'状态.给定多重约束,相应的"限制"也必须处于"已删除"状态.

我错过了什么？