PropertyBuilder.HasConversion 方法

参考

定义

命名空间:: Microsoft.EntityFrameworkCore.Metadata.Builders

程序集:: Microsoft.EntityFrameworkCore.dll

包:: Microsoft.EntityFrameworkCore v7.0.0

包:: Microsoft.EntityFrameworkCore v8.0.0

包:: Microsoft.EntityFrameworkCore v9.0.0

包:: Microsoft.EntityFrameworkCore v5.0.0

包:: Microsoft.EntityFrameworkCore v6.0.0

包:: Microsoft.EntityFrameworkCore v2.1.11

包:: Microsoft.EntityFrameworkCore v2.2.6

包:: Microsoft.EntityFrameworkCore v3.0.0

包:: Microsoft.EntityFrameworkCore v3.1.0

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

HasConversion(Type, Type, Type)	配置属性，以便在写入数据库之前转换属性值，并在从数据库读取数据时转换回来。
HasConversion(Type, ValueComparer)	配置属性，以便在写入数据库之前转换属性值，并在从数据库读取数据时转换回来。
HasConversion(ValueConverter, ValueComparer, ValueComparer)	配置属性，以便使用给定 ValueConverter的将属性值与数据库进行转换和转换。
HasConversion(Type, ValueComparer, ValueComparer)	配置属性，以便在写入数据库之前转换属性值，并在从数据库读取数据时转换回来。
HasConversion(Type)	配置属性，以便在写入数据库之前转换属性值，并在从数据库读取数据时转换回来。
HasConversion(ValueConverter, ValueComparer)	配置属性，以便使用给定 ValueConverter的将属性值与数据库进行转换和转换。
HasConversion(ValueConverter)	配置属性，以便使用给定 ValueConverter的将属性值与数据库进行转换和转换。
HasConversion(Type, Type)	配置属性，以便在写入数据库之前转换属性值，并在从数据库读取数据时转换回来。
HasConversion<TConversion,TComparer,TProviderComparer>()	配置属性，以便在写入数据库之前转换属性值，并在从数据库读取数据时转换回来。
HasConversion<TConversion,TComparer>()	配置属性，以便在写入数据库之前转换属性值，并在从数据库读取数据时转换回来。
HasConversion<TConversion>(ValueComparer, ValueComparer)	配置属性，以便在写入数据库之前转换属性值，并在从数据库读取数据时转换回来。
HasConversion<TConversion>()	配置属性，以便在写入数据库之前转换属性值，并在从数据库读取数据时转换回来。
HasConversion<TConversion>(ValueComparer)	配置属性，以便在写入数据库之前转换属性值，并在从数据库读取数据时转换回来。

HasConversion(Type, Type, Type)

Source:: PropertyBuilder.cs

Source:: PropertyBuilder.cs

Source:: PropertyBuilder.cs

配置属性，以便在写入数据库之前转换属性值，并在从数据库读取数据时转换回来。

public virtual Microsoft.EntityFrameworkCore.Metadata.Builders.PropertyBuilder HasConversion (Type conversionType, Type? comparerType, Type? providerComparerType);

abstract member HasConversion : Type * Type * Type -> Microsoft.EntityFrameworkCore.Metadata.Builders.PropertyBuilder
override this.HasConversion : Type * Type * Type -> Microsoft.EntityFrameworkCore.Metadata.Builders.PropertyBuilder

Public Overridable Function HasConversion (conversionType As Type, comparerType As Type, providerComparerType As Type) As PropertyBuilder

参数

conversionType: Type

要转换到和转换自的类型，或继承自 ValueConverter的类型。

comparerType: Type

继承自 ValueComparer的类型。

providerComparerType: Type

继承自 ValueComparer 的类型，用于提供程序值。

PropertyBuilder

同一生成器实例，以便可以链接多个配置调用。

适用于

HasConversion(Type, ValueComparer)

Source:: PropertyBuilder.cs

Source:: PropertyBuilder.cs

Source:: PropertyBuilder.cs

Source:: PropertyBuilder.cs

Source:: PropertyBuilder.cs

配置属性，以便在写入数据库之前转换属性值，并在从数据库读取数据时转换回来。

public virtual Microsoft.EntityFrameworkCore.Metadata.Builders.PropertyBuilder HasConversion (Type providerClrType, Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer valueComparer);

public virtual Microsoft.EntityFrameworkCore.Metadata.Builders.PropertyBuilder HasConversion (Type conversionType, Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer? valueComparer);

abstract member HasConversion : Type * Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer -> Microsoft.EntityFrameworkCore.Metadata.Builders.PropertyBuilder
override this.HasConversion : Type * Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer -> Microsoft.EntityFrameworkCore.Metadata.Builders.PropertyBuilder

abstract member HasConversion : Type * Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer -> Microsoft.EntityFrameworkCore.Metadata.Builders.PropertyBuilder
override this.HasConversion : Type * Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer -> Microsoft.EntityFrameworkCore.Metadata.Builders.PropertyBuilder

Public Overridable Function HasConversion (providerClrType As Type, valueComparer As ValueComparer) As PropertyBuilder

Public Overridable Function HasConversion (conversionType As Type, valueComparer As ValueComparer) As PropertyBuilder

参数

providerClrTypeconversionType: Type

要转换为和转换自的类型。

valueComparer: ValueComparer

转换前要用于值的比较器。

PropertyBuilder

同一生成器实例，以便可以链接多个配置调用。

适用于

HasConversion(ValueConverter, ValueComparer, ValueComparer)

Source:: PropertyBuilder.cs

Source:: PropertyBuilder.cs

Source:: PropertyBuilder.cs

配置属性，以便使用给定 ValueConverter的将属性值与数据库进行转换和转换。

public virtual Microsoft.EntityFrameworkCore.Metadata.Builders.PropertyBuilder HasConversion (Microsoft.EntityFrameworkCore.Storage.ValueConversion.ValueConverter? converter, Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer? valueComparer, Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer? providerComparer);

abstract member HasConversion : Microsoft.EntityFrameworkCore.Storage.ValueConversion.ValueConverter * Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer * Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer -> Microsoft.EntityFrameworkCore.Metadata.Builders.PropertyBuilder
override this.HasConversion : Microsoft.EntityFrameworkCore.Storage.ValueConversion.ValueConverter * Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer * Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer -> Microsoft.EntityFrameworkCore.Metadata.Builders.PropertyBuilder

Public Overridable Function HasConversion (converter As ValueConverter, valueComparer As ValueComparer, providerComparer As ValueComparer) As PropertyBuilder

参数

converter: ValueConverter

要使用的转换器。

valueComparer: ValueComparer

转换前要用于值的比较器。

providerComparer: ValueComparer

要用于提供程序值的比较器。

PropertyBuilder

同一生成器实例，以便可以链接多个配置调用。

适用于

HasConversion(Type, ValueComparer, ValueComparer)

Source:: PropertyBuilder.cs

Source:: PropertyBuilder.cs

Source:: PropertyBuilder.cs

配置属性，以便在写入数据库之前转换属性值，并在从数据库读取数据时转换回来。

public virtual Microsoft.EntityFrameworkCore.Metadata.Builders.PropertyBuilder HasConversion (Type conversionType, Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer? valueComparer, Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer? providerComparer);

abstract member HasConversion : Type * Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer * Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer -> Microsoft.EntityFrameworkCore.Metadata.Builders.PropertyBuilder
override this.HasConversion : Type * Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer * Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer -> Microsoft.EntityFrameworkCore.Metadata.Builders.PropertyBuilder

Public Overridable Function HasConversion (conversionType As Type, valueComparer As ValueComparer, providerComparer As ValueComparer) As PropertyBuilder

参数

conversionType: Type

要转换到和转换自的类型，或继承自 ValueConverter的类型。

valueComparer: ValueComparer

转换前要用于值的比较器。

providerComparer: ValueComparer

要用于提供程序值的比较器。

PropertyBuilder

同一生成器实例，以便可以链接多个配置调用。

适用于

HasConversion(Type)

Source:: PropertyBuilder.cs

Source:: PropertyBuilder.cs

Source:: PropertyBuilder.cs

Source:: PropertyBuilder.cs

Source:: PropertyBuilder.cs

Source:: PropertyBuilder.cs

Source:: PropertyBuilder.cs

Source:: PropertyBuilder.cs

Source:: PropertyBuilder.cs

配置属性，以便在写入数据库之前转换属性值，并在从数据库读取数据时转换回来。

public virtual Microsoft.EntityFrameworkCore.Metadata.Builders.PropertyBuilder HasConversion (Type providerClrType);

public virtual Microsoft.EntityFrameworkCore.Metadata.Builders.PropertyBuilder HasConversion (Type? conversionType);

abstract member HasConversion : Type -> Microsoft.EntityFrameworkCore.Metadata.Builders.PropertyBuilder
override this.HasConversion : Type -> Microsoft.EntityFrameworkCore.Metadata.Builders.PropertyBuilder

abstract member HasConversion : Type -> Microsoft.EntityFrameworkCore.Metadata.Builders.PropertyBuilder
override this.HasConversion : Type -> Microsoft.EntityFrameworkCore.Metadata.Builders.PropertyBuilder

Public Overridable Function HasConversion (providerClrType As Type) As PropertyBuilder

Public Overridable Function HasConversion (conversionType As Type) As PropertyBuilder

参数

providerClrTypeconversionType: Type

要转换为和转换自的类型。

PropertyBuilder

同一生成器实例，以便可以链接多个配置调用。

适用于

HasConversion(ValueConverter, ValueComparer)

Source:: PropertyBuilder.cs

Source:: PropertyBuilder.cs

Source:: PropertyBuilder.cs

Source:: PropertyBuilder.cs

Source:: PropertyBuilder.cs

配置属性，以便使用给定 ValueConverter的将属性值与数据库进行转换和转换。

public virtual Microsoft.EntityFrameworkCore.Metadata.Builders.PropertyBuilder HasConversion (Microsoft.EntityFrameworkCore.Storage.ValueConversion.ValueConverter converter, Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer valueComparer);

public virtual Microsoft.EntityFrameworkCore.Metadata.Builders.PropertyBuilder HasConversion (Microsoft.EntityFrameworkCore.Storage.ValueConversion.ValueConverter? converter, Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer? valueComparer);

abstract member HasConversion : Microsoft.EntityFrameworkCore.Storage.ValueConversion.ValueConverter * Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer -> Microsoft.EntityFrameworkCore.Metadata.Builders.PropertyBuilder
override this.HasConversion : Microsoft.EntityFrameworkCore.Storage.ValueConversion.ValueConverter * Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer -> Microsoft.EntityFrameworkCore.Metadata.Builders.PropertyBuilder

Public Overridable Function HasConversion (converter As ValueConverter, valueComparer As ValueComparer) As PropertyBuilder

参数

converter: ValueConverter

要使用的转换器。

valueComparer: ValueComparer

转换前要用于值的比较器。

PropertyBuilder

同一生成器实例，以便可以链接多个配置调用。

适用于

HasConversion(ValueConverter)

Source:: PropertyBuilder.cs

Source:: PropertyBuilder.cs

Source:: PropertyBuilder.cs

Source:: PropertyBuilder.cs

Source:: PropertyBuilder.cs

Source:: PropertyBuilder.cs

Source:: PropertyBuilder.cs

Source:: PropertyBuilder.cs

Source:: PropertyBuilder.cs

配置属性，以便使用给定 ValueConverter的将属性值与数据库进行转换和转换。

public virtual Microsoft.EntityFrameworkCore.Metadata.Builders.PropertyBuilder HasConversion (Microsoft.EntityFrameworkCore.Storage.ValueConversion.ValueConverter converter);

public virtual Microsoft.EntityFrameworkCore.Metadata.Builders.PropertyBuilder HasConversion (Microsoft.EntityFrameworkCore.Storage.ValueConversion.ValueConverter? converter);

abstract member HasConversion : Microsoft.EntityFrameworkCore.Storage.ValueConversion.ValueConverter -> Microsoft.EntityFrameworkCore.Metadata.Builders.PropertyBuilder
override this.HasConversion : Microsoft.EntityFrameworkCore.Storage.ValueConversion.ValueConverter -> Microsoft.EntityFrameworkCore.Metadata.Builders.PropertyBuilder

Public Overridable Function HasConversion (converter As ValueConverter) As PropertyBuilder

参数

converter: ValueConverter

要使用的转换器。

PropertyBuilder

同一生成器实例，以便可以链接多个配置调用。

适用于

HasConversion(Type, Type)

Source:: PropertyBuilder.cs

Source:: PropertyBuilder.cs

Source:: PropertyBuilder.cs

Source:: PropertyBuilder.cs

配置属性，以便在写入数据库之前转换属性值，并在从数据库读取数据时转换回来。

public virtual Microsoft.EntityFrameworkCore.Metadata.Builders.PropertyBuilder HasConversion (Type conversionType, Type? comparerType);

abstract member HasConversion : Type * Type -> Microsoft.EntityFrameworkCore.Metadata.Builders.PropertyBuilder
override this.HasConversion : Type * Type -> Microsoft.EntityFrameworkCore.Metadata.Builders.PropertyBuilder

Public Overridable Function HasConversion (conversionType As Type, comparerType As Type) As PropertyBuilder

参数

conversionType: Type

要转换到和转换自的类型，或继承自 ValueConverter的类型。

comparerType: Type

继承自 ValueComparer的类型。

PropertyBuilder

同一生成器实例，以便可以链接多个配置调用。

适用于

HasConversion<TConversion,TComparer,TProviderComparer>()

Source:: PropertyBuilder.cs

Source:: PropertyBuilder.cs

Source:: PropertyBuilder.cs

配置属性，以便在写入数据库之前转换属性值，并在从数据库读取数据时转换回来。

public virtual Microsoft.EntityFrameworkCore.Metadata.Builders.PropertyBuilder HasConversion<TConversion,TComparer,TProviderComparer> () where TComparer : Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer where TProviderComparer : Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer;

abstract member HasConversion : unit -> Microsoft.EntityFrameworkCore.Metadata.Builders.PropertyBuilder (requires 'Comparer :> Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer and 'ProviderComparer :> Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer)
override this.HasConversion : unit -> Microsoft.EntityFrameworkCore.Metadata.Builders.PropertyBuilder (requires 'Comparer :> Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer and 'ProviderComparer :> Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer)

Public Overridable Function HasConversion(Of TConversion, TComparer, TProviderComparer) () As PropertyBuilder

类型参数

TConversion

要转换到和转换自的类型，或继承自 ValueConverter的类型。

TComparer

继承自 ValueComparer的类型。

TProviderComparer

继承自 ValueComparer 的类型，用于提供程序值。

PropertyBuilder

同一生成器实例，以便可以链接多个配置调用。

适用于

HasConversion<TConversion,TComparer>()

Source:: PropertyBuilder.cs

Source:: PropertyBuilder.cs

Source:: PropertyBuilder.cs

Source:: PropertyBuilder.cs

配置属性，以便在写入数据库之前转换属性值，并在从数据库读取数据时转换回来。

public virtual Microsoft.EntityFrameworkCore.Metadata.Builders.PropertyBuilder HasConversion<TConversion,TComparer> () where TComparer : Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer;

abstract member HasConversion : unit -> Microsoft.EntityFrameworkCore.Metadata.Builders.PropertyBuilder (requires 'Comparer :> Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer)
override this.HasConversion : unit -> Microsoft.EntityFrameworkCore.Metadata.Builders.PropertyBuilder (requires 'Comparer :> Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer)

Public Overridable Function HasConversion(Of TConversion, TComparer) () As PropertyBuilder

类型参数

TConversion

要转换到和转换自的类型，或继承自 ValueConverter的类型。

TComparer

继承自 ValueComparer的类型。

PropertyBuilder

同一生成器实例，以便可以链接多个配置调用。

适用于

HasConversion<TConversion>(ValueComparer, ValueComparer)

Source:: PropertyBuilder.cs

Source:: PropertyBuilder.cs

Source:: PropertyBuilder.cs

配置属性，以便在写入数据库之前转换属性值，并在从数据库读取数据时转换回来。

public virtual Microsoft.EntityFrameworkCore.Metadata.Builders.PropertyBuilder HasConversion<TConversion> (Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer? valueComparer, Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer? providerComparer);

abstract member HasConversion : Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer * Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer -> Microsoft.EntityFrameworkCore.Metadata.Builders.PropertyBuilder
override this.HasConversion : Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer * Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer -> Microsoft.EntityFrameworkCore.Metadata.Builders.PropertyBuilder

Public Overridable Function HasConversion(Of TConversion) (valueComparer As ValueComparer, providerComparer As ValueComparer) As PropertyBuilder

类型参数

TConversion

要转换到和转换自的类型，或继承自 ValueConverter的类型。

参数

valueComparer: ValueComparer

转换前要用于值的比较器。

providerComparer: ValueComparer

要用于提供程序值的比较器。

PropertyBuilder

同一生成器实例，以便可以链接多个配置调用。

适用于

HasConversion<TConversion>()

Source:: PropertyBuilder.cs

Source:: PropertyBuilder.cs

Source:: PropertyBuilder.cs

Source:: PropertyBuilder.cs

Source:: PropertyBuilder.cs

Source:: PropertyBuilder.cs

Source:: PropertyBuilder.cs

Source:: PropertyBuilder.cs

Source:: PropertyBuilder.cs

配置属性，以便在写入数据库之前转换属性值，并在从数据库读取数据时转换回来。

public virtual Microsoft.EntityFrameworkCore.Metadata.Builders.PropertyBuilder HasConversion<TProvider> ();

public virtual Microsoft.EntityFrameworkCore.Metadata.Builders.PropertyBuilder HasConversion<TConversion> ();

abstract member HasConversion : unit -> Microsoft.EntityFrameworkCore.Metadata.Builders.PropertyBuilder
override this.HasConversion : unit -> Microsoft.EntityFrameworkCore.Metadata.Builders.PropertyBuilder

Public Overridable Function HasConversion(Of TProvider) () As PropertyBuilder

Public Overridable Function HasConversion(Of TConversion) () As PropertyBuilder

类型参数

TProvider TConversion

要转换到和转换自的类型，或继承自 ValueConverter的类型。

PropertyBuilder

同一生成器实例，以便可以链接多个配置调用。

适用于

HasConversion<TConversion>(ValueComparer)

Source:: PropertyBuilder.cs

Source:: PropertyBuilder.cs

Source:: PropertyBuilder.cs

Source:: PropertyBuilder.cs

Source:: PropertyBuilder.cs

配置属性，以便在写入数据库之前转换属性值，并在从数据库读取数据时转换回来。

public virtual Microsoft.EntityFrameworkCore.Metadata.Builders.PropertyBuilder HasConversion<TProvider> (Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer valueComparer);

public virtual Microsoft.EntityFrameworkCore.Metadata.Builders.PropertyBuilder HasConversion<TConversion> (Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer? valueComparer);

abstract member HasConversion : Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer -> Microsoft.EntityFrameworkCore.Metadata.Builders.PropertyBuilder
override this.HasConversion : Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer -> Microsoft.EntityFrameworkCore.Metadata.Builders.PropertyBuilder

Public Overridable Function HasConversion(Of TProvider) (valueComparer As ValueComparer) As PropertyBuilder

Public Overridable Function HasConversion(Of TConversion) (valueComparer As ValueComparer) As PropertyBuilder

类型参数

TProvider TConversion

要转换到和转换自的类型，或继承自 ValueConverter的类型。

参数

valueComparer: ValueComparer

转换前要用于值的比较器。

PropertyBuilder

同一生成器实例，以便可以链接多个配置调用。

适用于

通过

PropertyBuilder.HasConversion 方法

定义

重载

HasConversion(Type, Type, Type)

参数

返回

适用于

HasConversion(Type, ValueComparer)

参数

返回

适用于

HasConversion(ValueConverter, ValueComparer, ValueComparer)

参数

返回

适用于

HasConversion(Type, ValueComparer, ValueComparer)

参数

返回

适用于

HasConversion(Type)

参数

返回

适用于

HasConversion(ValueConverter, ValueComparer)

参数

返回

适用于

HasConversion(ValueConverter)

参数

返回

适用于

HasConversion(Type, Type)

参数

返回

适用于

HasConversion<TConversion,TComparer,TProviderComparer>()

类型参数

返回

适用于

HasConversion<TConversion,TComparer>()

类型参数

返回

适用于

HasConversion<TConversion>(ValueComparer, ValueComparer)

类型参数

参数

返回

适用于

HasConversion<TConversion>()

类型参数

返回

适用于

HasConversion<TConversion>(ValueComparer)

类型参数

参数

返回

适用于

其他资源