RuntimeEntityType.AddProperty 方法

参考

定义

命名空间:: Microsoft.EntityFrameworkCore.Metadata

程序集:: Microsoft.EntityFrameworkCore.dll

包:: Microsoft.EntityFrameworkCore v6.0.0

包:: Microsoft.EntityFrameworkCore v7.0.0

重要

一些信息与预发行产品相关，相应产品在发行之前可能会进行重大修改。对于此处提供的信息，Microsoft 不作任何明示或暗示的担保。

重载

AddProperty(String, Type, PropertyInfo, FieldInfo, PropertyAccessMode, Boolean, Boolean, ValueGenerated, PropertySaveBehavior, PropertySaveBehavior, Nullable<Int32>, Nullable<Boolean>, Nullable<Int32>, Nullable<Int32>, Type, Func<IProperty,IEntityType,ValueGenerator>, ValueConverter, ValueComparer, ValueComparer, CoreTypeMapping)	向此实体类型添加属性。
AddProperty(String, Type, PropertyInfo, FieldInfo, PropertyAccessMode, Boolean, Boolean, ValueGenerated, PropertySaveBehavior, PropertySaveBehavior, Nullable<Int32>, Nullable<Boolean>, Nullable<Int32>, Nullable<Int32>, Type, Func<IProperty,IEntityType,ValueGenerator>, ValueConverter, ValueComparer, ValueComparer, ValueComparer, CoreTypeMapping)	向此实体类型添加属性。

AddProperty(String, Type, PropertyInfo, FieldInfo, PropertyAccessMode, Boolean, Boolean, ValueGenerated, PropertySaveBehavior, PropertySaveBehavior, Nullable<Int32>, Nullable<Boolean>, Nullable<Int32>, Nullable<Int32>, Type, Func<IProperty,IEntityType,ValueGenerator>, ValueConverter, ValueComparer, ValueComparer, CoreTypeMapping)

向此实体类型添加属性。

public virtual Microsoft.EntityFrameworkCore.Metadata.RuntimeProperty AddProperty (string name, Type clrType, System.Reflection.PropertyInfo? propertyInfo = default, System.Reflection.FieldInfo? fieldInfo = default, Microsoft.EntityFrameworkCore.PropertyAccessMode propertyAccessMode = Microsoft.EntityFrameworkCore.PropertyAccessMode.PreferField, bool nullable = false, bool concurrencyToken = false, Microsoft.EntityFrameworkCore.Metadata.ValueGenerated valueGenerated = Microsoft.EntityFrameworkCore.Metadata.ValueGenerated.Never, Microsoft.EntityFrameworkCore.Metadata.PropertySaveBehavior beforeSaveBehavior = Microsoft.EntityFrameworkCore.Metadata.PropertySaveBehavior.Save, Microsoft.EntityFrameworkCore.Metadata.PropertySaveBehavior afterSaveBehavior = Microsoft.EntityFrameworkCore.Metadata.PropertySaveBehavior.Save, int? maxLength = default, bool? unicode = default, int? precision = default, int? scale = default, Type? providerPropertyType = default, Func<Microsoft.EntityFrameworkCore.Metadata.IProperty,Microsoft.EntityFrameworkCore.Metadata.IEntityType,Microsoft.EntityFrameworkCore.ValueGeneration.ValueGenerator>? valueGeneratorFactory = default, Microsoft.EntityFrameworkCore.Storage.ValueConversion.ValueConverter? valueConverter = default, Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer? valueComparer = default, Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer? keyValueComparer = default, Microsoft.EntityFrameworkCore.Storage.CoreTypeMapping? typeMapping = default);

abstract member AddProperty : string * Type * System.Reflection.PropertyInfo * System.Reflection.FieldInfo * Microsoft.EntityFrameworkCore.PropertyAccessMode * bool * bool * Microsoft.EntityFrameworkCore.Metadata.ValueGenerated * Microsoft.EntityFrameworkCore.Metadata.PropertySaveBehavior * Microsoft.EntityFrameworkCore.Metadata.PropertySaveBehavior * Nullable<int> * Nullable<bool> * Nullable<int> * Nullable<int> * Type * Func<Microsoft.EntityFrameworkCore.Metadata.IProperty, Microsoft.EntityFrameworkCore.Metadata.IEntityType, Microsoft.EntityFrameworkCore.ValueGeneration.ValueGenerator> * Microsoft.EntityFrameworkCore.Storage.ValueConversion.ValueConverter * Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer * Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer * Microsoft.EntityFrameworkCore.Storage.CoreTypeMapping -> Microsoft.EntityFrameworkCore.Metadata.RuntimeProperty
override this.AddProperty : string * Type * System.Reflection.PropertyInfo * System.Reflection.FieldInfo * Microsoft.EntityFrameworkCore.PropertyAccessMode * bool * bool * Microsoft.EntityFrameworkCore.Metadata.ValueGenerated * Microsoft.EntityFrameworkCore.Metadata.PropertySaveBehavior * Microsoft.EntityFrameworkCore.Metadata.PropertySaveBehavior * Nullable<int> * Nullable<bool> * Nullable<int> * Nullable<int> * Type * Func<Microsoft.EntityFrameworkCore.Metadata.IProperty, Microsoft.EntityFrameworkCore.Metadata.IEntityType, Microsoft.EntityFrameworkCore.ValueGeneration.ValueGenerator> * Microsoft.EntityFrameworkCore.Storage.ValueConversion.ValueConverter * Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer * Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer * Microsoft.EntityFrameworkCore.Storage.CoreTypeMapping -> Microsoft.EntityFrameworkCore.Metadata.RuntimeProperty

Public Overridable Function AddProperty (name As String, clrType As Type, Optional propertyInfo As PropertyInfo = Nothing, Optional fieldInfo As FieldInfo = Nothing, Optional propertyAccessMode As PropertyAccessMode = Microsoft.EntityFrameworkCore.PropertyAccessMode.PreferField, Optional nullable As Boolean = false, Optional concurrencyToken As Boolean = false, Optional valueGenerated As ValueGenerated = Microsoft.EntityFrameworkCore.Metadata.ValueGenerated.Never, Optional beforeSaveBehavior As PropertySaveBehavior = Microsoft.EntityFrameworkCore.Metadata.PropertySaveBehavior.Save, Optional afterSaveBehavior As PropertySaveBehavior = Microsoft.EntityFrameworkCore.Metadata.PropertySaveBehavior.Save, Optional maxLength As Nullable(Of Integer) = Nothing, Optional unicode As Nullable(Of Boolean) = Nothing, Optional precision As Nullable(Of Integer) = Nothing, Optional scale As Nullable(Of Integer) = Nothing, Optional providerPropertyType As Type = Nothing, Optional valueGeneratorFactory As Func(Of IProperty, IEntityType, ValueGenerator) = Nothing, Optional valueConverter As ValueConverter = Nothing, Optional valueComparer As ValueComparer = Nothing, Optional keyValueComparer As ValueComparer = Nothing, Optional typeMapping As CoreTypeMapping = Nothing) As RuntimeProperty

参数

name: String

要添加的属性的名称。

clrType: Type

属性将保留的值的类型。

propertyInfo: PropertyInfo

阴影属性的相应 CLR 属性或 null 。

fieldInfo: FieldInfo

阴影属性的相应 CLR 字段或 null 。

propertyAccessMode: PropertyAccessMode

PropertyAccessMode用于此属性的。

nullable: Boolean

一个值，该值指示此属性是否可以包含 null。

concurrencyToken: Boolean

一个值，该值指示此属性是否用作并发标记。

valueGenerated: ValueGenerated

一个值，该值指示数据库何时生成此属性的值。

beforeSaveBehavior: PropertySaveBehavior

一个值，该值指示在将实体保存到数据库之前是否可以修改此属性。

afterSaveBehavior: PropertySaveBehavior

一个值，该值指示在实体保存到数据库后是否可以修改此属性。

maxLength: Nullable<Int32>

此属性中允许的最大数据长度。

unicode: Nullable<Boolean>

一个值，该值指示属性是否可以保留 Unicode 字符。

precision: Nullable<Int32>

此属性中允许的数据的精度。

scale: Nullable<Int32>

此属性中允许的数据规模。

providerPropertyType: Type

属性值在发送到数据库提供程序之前将转换为的类型。

valueGeneratorFactory: Func<IProperty,IEntityType,ValueGenerator>

已设置为为此属性生成值的工厂（如果有）。

valueConverter: ValueConverter

此属性的自定义 ValueConverter 集。

valueComparer: ValueComparer

ValueComparer此属性的。

keyValueComparer: ValueComparer

要 ValueComparer 与此属性的键一起使用的。

typeMapping: CoreTypeMapping

CoreTypeMapping此属性的。

RuntimeProperty

新建的属性。

适用于

AddProperty(String, Type, PropertyInfo, FieldInfo, PropertyAccessMode, Boolean, Boolean, ValueGenerated, PropertySaveBehavior, PropertySaveBehavior, Nullable<Int32>, Nullable<Boolean>, Nullable<Int32>, Nullable<Int32>, Type, Func<IProperty,IEntityType,ValueGenerator>, ValueConverter, ValueComparer, ValueComparer, ValueComparer, CoreTypeMapping)

向此实体类型添加属性。

public virtual Microsoft.EntityFrameworkCore.Metadata.RuntimeProperty AddProperty (string name, Type clrType, System.Reflection.PropertyInfo? propertyInfo = default, System.Reflection.FieldInfo? fieldInfo = default, Microsoft.EntityFrameworkCore.PropertyAccessMode propertyAccessMode = Microsoft.EntityFrameworkCore.PropertyAccessMode.PreferField, bool nullable = false, bool concurrencyToken = false, Microsoft.EntityFrameworkCore.Metadata.ValueGenerated valueGenerated = Microsoft.EntityFrameworkCore.Metadata.ValueGenerated.Never, Microsoft.EntityFrameworkCore.Metadata.PropertySaveBehavior beforeSaveBehavior = Microsoft.EntityFrameworkCore.Metadata.PropertySaveBehavior.Save, Microsoft.EntityFrameworkCore.Metadata.PropertySaveBehavior afterSaveBehavior = Microsoft.EntityFrameworkCore.Metadata.PropertySaveBehavior.Save, int? maxLength = default, bool? unicode = default, int? precision = default, int? scale = default, Type? providerPropertyType = default, Func<Microsoft.EntityFrameworkCore.Metadata.IProperty,Microsoft.EntityFrameworkCore.Metadata.IEntityType,Microsoft.EntityFrameworkCore.ValueGeneration.ValueGenerator>? valueGeneratorFactory = default, Microsoft.EntityFrameworkCore.Storage.ValueConversion.ValueConverter? valueConverter = default, Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer? valueComparer = default, Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer? keyValueComparer = default, Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer? providerValueComparer = default, Microsoft.EntityFrameworkCore.Storage.CoreTypeMapping? typeMapping = default);

abstract member AddProperty : string * Type * System.Reflection.PropertyInfo * System.Reflection.FieldInfo * Microsoft.EntityFrameworkCore.PropertyAccessMode * bool * bool * Microsoft.EntityFrameworkCore.Metadata.ValueGenerated * Microsoft.EntityFrameworkCore.Metadata.PropertySaveBehavior * Microsoft.EntityFrameworkCore.Metadata.PropertySaveBehavior * Nullable<int> * Nullable<bool> * Nullable<int> * Nullable<int> * Type * Func<Microsoft.EntityFrameworkCore.Metadata.IProperty, Microsoft.EntityFrameworkCore.Metadata.IEntityType, Microsoft.EntityFrameworkCore.ValueGeneration.ValueGenerator> * Microsoft.EntityFrameworkCore.Storage.ValueConversion.ValueConverter * Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer * Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer * Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer * Microsoft.EntityFrameworkCore.Storage.CoreTypeMapping -> Microsoft.EntityFrameworkCore.Metadata.RuntimeProperty
override this.AddProperty : string * Type * System.Reflection.PropertyInfo * System.Reflection.FieldInfo * Microsoft.EntityFrameworkCore.PropertyAccessMode * bool * bool * Microsoft.EntityFrameworkCore.Metadata.ValueGenerated * Microsoft.EntityFrameworkCore.Metadata.PropertySaveBehavior * Microsoft.EntityFrameworkCore.Metadata.PropertySaveBehavior * Nullable<int> * Nullable<bool> * Nullable<int> * Nullable<int> * Type * Func<Microsoft.EntityFrameworkCore.Metadata.IProperty, Microsoft.EntityFrameworkCore.Metadata.IEntityType, Microsoft.EntityFrameworkCore.ValueGeneration.ValueGenerator> * Microsoft.EntityFrameworkCore.Storage.ValueConversion.ValueConverter * Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer * Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer * Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer * Microsoft.EntityFrameworkCore.Storage.CoreTypeMapping -> Microsoft.EntityFrameworkCore.Metadata.RuntimeProperty

Public Overridable Function AddProperty (name As String, clrType As Type, Optional propertyInfo As PropertyInfo = Nothing, Optional fieldInfo As FieldInfo = Nothing, Optional propertyAccessMode As PropertyAccessMode = Microsoft.EntityFrameworkCore.PropertyAccessMode.PreferField, Optional nullable As Boolean = false, Optional concurrencyToken As Boolean = false, Optional valueGenerated As ValueGenerated = Microsoft.EntityFrameworkCore.Metadata.ValueGenerated.Never, Optional beforeSaveBehavior As PropertySaveBehavior = Microsoft.EntityFrameworkCore.Metadata.PropertySaveBehavior.Save, Optional afterSaveBehavior As PropertySaveBehavior = Microsoft.EntityFrameworkCore.Metadata.PropertySaveBehavior.Save, Optional maxLength As Nullable(Of Integer) = Nothing, Optional unicode As Nullable(Of Boolean) = Nothing, Optional precision As Nullable(Of Integer) = Nothing, Optional scale As Nullable(Of Integer) = Nothing, Optional providerPropertyType As Type = Nothing, Optional valueGeneratorFactory As Func(Of IProperty, IEntityType, ValueGenerator) = Nothing, Optional valueConverter As ValueConverter = Nothing, Optional valueComparer As ValueComparer = Nothing, Optional keyValueComparer As ValueComparer = Nothing, Optional providerValueComparer As ValueComparer = Nothing, Optional typeMapping As CoreTypeMapping = Nothing) As RuntimeProperty