RuntimeEntityType.AddProperty 方法

參考

定義

命名空間:: Microsoft.EntityFrameworkCore.Metadata

組件:: Microsoft.EntityFrameworkCore.dll

套件:: Microsoft.EntityFrameworkCore v6.0.0

套件:: Microsoft.EntityFrameworkCore v7.0.0

重要

部分資訊涉及發行前產品，在發行之前可能會有大幅修改。 Microsoft 對此處提供的資訊，不做任何明確或隱含的瑕疵擔保。

多載

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)	將屬性加入至這個實體類型。
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)	將屬性加入至這個實體類型。

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)

將屬性加入至這個實體類型。

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

參數

name: String

要加入的屬性名稱。

clrType: Type

屬性將保留的數值型別。

propertyInfo: PropertyInfo

對應的 CLR 屬性或 null 陰影屬性。

fieldInfo: FieldInfo

陰影屬性的對應 CLR 欄位或 null 。

propertyAccessMode: PropertyAccessMode

PropertyAccessMode用於這個屬性的。

nullable: Boolean

值，指出這個屬性是否可以包含 null 。

concurrencyToken: Boolean

值，指出這個屬性是否做為並行權杖使用。

valueGenerated: ValueGenerated

值，指出資料庫將產生這個屬性的值。

beforeSaveBehavior: PropertySaveBehavior

值，指出是否可以在實體儲存至資料庫之前修改這個屬性。

afterSaveBehavior: PropertySaveBehavior

值，指出這個屬性是否可以在實體儲存至資料庫之後修改。

maxLength: Nullable<Int32>

此屬性中允許的資料長度上限。

unicode: Nullable<Boolean>

值，指出屬性是否可以保存 Unicode 字元。

precision: Nullable<Int32>

此屬性中允許的資料有效位數。

scale: Nullable<Int32>

這個屬性中允許的資料規模。

providerPropertyType: Type

屬性值在傳送至資料庫提供者之前將轉換成的類型。

valueGeneratorFactory: Func<IProperty,IEntityType,ValueGenerator>

已設定為產生此屬性值的處理站，如果有的話。

valueConverter: ValueConverter

這個屬性的自訂 ValueConverter 集。

valueComparer: ValueComparer

ValueComparer這個屬性的。

keyValueComparer: ValueComparer

要 ValueComparer 搭配這個屬性之索引鍵使用的。

typeMapping: CoreTypeMapping

CoreTypeMapping這個屬性的。

傳回

RuntimeProperty

新建立的屬性。

適用於

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)

將屬性加入至這個實體類型。

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