RelationalCommandParameterObject 构造函数

参考

定义

命名空间:: Microsoft.EntityFrameworkCore.Storage

程序集:: Microsoft.EntityFrameworkCore.Relational.dll

包:: Microsoft.EntityFrameworkCore.Relational v3.0.0

包:: Microsoft.EntityFrameworkCore.Relational v3.1.0

包:: Microsoft.EntityFrameworkCore.Relational v5.0.0

包:: Microsoft.EntityFrameworkCore.Relational v6.0.0

包:: Microsoft.EntityFrameworkCore.Relational v7.0.0

包:: Microsoft.EntityFrameworkCore.Relational v8.0.0

包:: Microsoft.EntityFrameworkCore.Relational v9.0.0

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

RelationalCommandParameterObject(IRelationalConnection, IReadOnlyDictionary<String, Object>, DbContext, IDiagnosticsLogger<DbLoggerCategory.Database.Command>)	已过时. 为给定参数创建新的参数对象。此类型通常由数据库提供程序 (和其他扩展) 使用。它通常不用于应用程序代码。
RelationalCommandParameterObject(IRelationalConnection, IReadOnlyDictionary<String, Object>, IReadOnlyList<ReaderColumn>, DbContext, IDiagnosticsLogger<DbLoggerCategory.Database.Command>)	为给定参数创建新的参数对象。此类型通常由数据库提供程序 (和其他扩展) 使用。它通常不用于应用程序代码。
RelationalCommandParameterObject(IRelationalConnection, IReadOnlyDictionary<String, Object>, IReadOnlyList<ReaderColumn>, DbContext, IRelationalCommandDiagnosticsLogger)	为给定参数创建新的参数对象。此类型通常由数据库提供程序 (和其他扩展) 使用。它通常不用于应用程序代码。
RelationalCommandParameterObject(IRelationalConnection, IReadOnlyDictionary<String, Object>, IReadOnlyList<ReaderColumn>, DbContext, IDiagnosticsLogger<DbLoggerCategory.Database.Command>, Boolean)	为给定参数创建新的参数对象。此类型通常由数据库提供程序 (和其他扩展) 使用。它通常不用于应用程序代码。
RelationalCommandParameterObject(IRelationalConnection, IReadOnlyDictionary<String, Object>, IReadOnlyList<ReaderColumn>, DbContext, IRelationalCommandDiagnosticsLogger, CommandSource)	为给定参数创建新的参数对象。此类型通常由数据库提供程序 (和其他扩展) 使用。它通常不用于应用程序代码。
RelationalCommandParameterObject(IRelationalConnection, IReadOnlyDictionary<String, Object>, IReadOnlyList<ReaderColumn>, DbContext, IRelationalCommandDiagnosticsLogger, Boolean)	为给定参数创建新的参数对象。此类型通常由数据库提供程序 (和其他扩展) 使用。它通常不用于应用程序代码。
RelationalCommandParameterObject(IRelationalConnection, IReadOnlyDictionary<String, Object>, IReadOnlyList<ReaderColumn>, DbContext, IRelationalCommandDiagnosticsLogger, Boolean, CommandSource)	为给定参数创建新的参数对象。此类型通常由数据库提供程序 (和其他扩展) 使用。它通常不用于应用程序代码。

RelationalCommandParameterObject(IRelationalConnection, IReadOnlyDictionary<String, Object>, DbContext, IDiagnosticsLogger<DbLoggerCategory.Database.Command>)

Source:: RelationalCommandParameterObject.cs

Source:: RelationalCommandParameterObject.cs

注意

Use the overload with the readerColumns parameter

为给定参数创建新的参数对象。

此类型通常由数据库提供程序 (和其他扩展) 使用。它通常不用于应用程序代码。

public RelationalCommandParameterObject (Microsoft.EntityFrameworkCore.Storage.IRelationalConnection connection, System.Collections.Generic.IReadOnlyDictionary<string,object> parameterValues, Microsoft.EntityFrameworkCore.DbContext context, Microsoft.EntityFrameworkCore.Diagnostics.IDiagnosticsLogger<Microsoft.EntityFrameworkCore.DbLoggerCategory.Database.Command> logger);

[System.Obsolete("Use the overload with the readerColumns parameter")]
public RelationalCommandParameterObject (Microsoft.EntityFrameworkCore.Storage.IRelationalConnection connection, System.Collections.Generic.IReadOnlyDictionary<string,object> parameterValues, Microsoft.EntityFrameworkCore.DbContext context, Microsoft.EntityFrameworkCore.Diagnostics.IDiagnosticsLogger<Microsoft.EntityFrameworkCore.DbLoggerCategory.Database.Command> logger);

new Microsoft.EntityFrameworkCore.Storage.RelationalCommandParameterObject : Microsoft.EntityFrameworkCore.Storage.IRelationalConnection * System.Collections.Generic.IReadOnlyDictionary<string, obj> * Microsoft.EntityFrameworkCore.DbContext * Microsoft.EntityFrameworkCore.Diagnostics.IDiagnosticsLogger<Microsoft.EntityFrameworkCore.DbLoggerCategory.Database.Command> -> Microsoft.EntityFrameworkCore.Storage.RelationalCommandParameterObject

[<System.Obsolete("Use the overload with the readerColumns parameter")>]
new Microsoft.EntityFrameworkCore.Storage.RelationalCommandParameterObject : Microsoft.EntityFrameworkCore.Storage.IRelationalConnection * System.Collections.Generic.IReadOnlyDictionary<string, obj> * Microsoft.EntityFrameworkCore.DbContext * Microsoft.EntityFrameworkCore.Diagnostics.IDiagnosticsLogger<Microsoft.EntityFrameworkCore.DbLoggerCategory.Database.Command> -> Microsoft.EntityFrameworkCore.Storage.RelationalCommandParameterObject

Public Sub New (connection As IRelationalConnection, parameterValues As IReadOnlyDictionary(Of String, Object), context As DbContext, logger As IDiagnosticsLogger(Of DbLoggerCategory.Database.Command))

参数

connection: IRelationalConnection

将对其执行命令的连接。

parameterValues: IReadOnlyDictionary<String,Object>

要使用的 SQL 参数值;如果没有，则为 null。

context: DbContext

当前 DbContext 实例;如果未知，则为 null。

logger: IDiagnosticsLogger<DbLoggerCategory.Database.Command>

记录器;如果没有可用的记录器，则为 null。

属性: ObsoleteAttribute

适用于

RelationalCommandParameterObject(IRelationalConnection, IReadOnlyDictionary<String, Object>, IReadOnlyList<ReaderColumn>, DbContext, IDiagnosticsLogger<DbLoggerCategory.Database.Command>)

Source:: RelationalCommandParameterObject.cs

Source:: RelationalCommandParameterObject.cs

为给定参数创建新的参数对象。

此类型通常由数据库提供程序 (和其他扩展) 使用。它通常不用于应用程序代码。

public RelationalCommandParameterObject (Microsoft.EntityFrameworkCore.Storage.IRelationalConnection connection, System.Collections.Generic.IReadOnlyDictionary<string,object> parameterValues, System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Storage.ReaderColumn> readerColumns, Microsoft.EntityFrameworkCore.DbContext context, Microsoft.EntityFrameworkCore.Diagnostics.IDiagnosticsLogger<Microsoft.EntityFrameworkCore.DbLoggerCategory.Database.Command> logger);

new Microsoft.EntityFrameworkCore.Storage.RelationalCommandParameterObject : Microsoft.EntityFrameworkCore.Storage.IRelationalConnection * System.Collections.Generic.IReadOnlyDictionary<string, obj> * System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Storage.ReaderColumn> * Microsoft.EntityFrameworkCore.DbContext * Microsoft.EntityFrameworkCore.Diagnostics.IDiagnosticsLogger<Microsoft.EntityFrameworkCore.DbLoggerCategory.Database.Command> -> Microsoft.EntityFrameworkCore.Storage.RelationalCommandParameterObject

Public Sub New (connection As IRelationalConnection, parameterValues As IReadOnlyDictionary(Of String, Object), readerColumns As IReadOnlyList(Of ReaderColumn), context As DbContext, logger As IDiagnosticsLogger(Of DbLoggerCategory.Database.Command))

参数

connection: IRelationalConnection

将对其执行命令的连接。

parameterValues: IReadOnlyDictionary<String,Object>

要使用的 SQL 参数值;如果没有，则为 null。

readerColumns: IReadOnlyList<ReaderColumn>

需要缓冲读取器时所需的列;否则为 null。

context: DbContext

当前 DbContext 实例;如果未知，则为 null。

logger: IDiagnosticsLogger<DbLoggerCategory.Database.Command>

记录器;如果没有可用的记录器，则为 null。

适用于

RelationalCommandParameterObject(IRelationalConnection, IReadOnlyDictionary<String, Object>, IReadOnlyList<ReaderColumn>, DbContext, IRelationalCommandDiagnosticsLogger)

Source:: RelationalCommandParameterObject.cs

Source:: RelationalCommandParameterObject.cs

Source:: RelationalCommandParameterObject.cs

Source:: RelationalCommandParameterObject.cs

为给定参数创建新的参数对象。

此类型通常由数据库提供程序 (和其他扩展) 使用。它通常不用于应用程序代码。

public RelationalCommandParameterObject (Microsoft.EntityFrameworkCore.Storage.IRelationalConnection connection, System.Collections.Generic.IReadOnlyDictionary<string,object?>? parameterValues, System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Storage.ReaderColumn>? readerColumns, Microsoft.EntityFrameworkCore.DbContext? context, Microsoft.EntityFrameworkCore.Diagnostics.IRelationalCommandDiagnosticsLogger? logger);

new Microsoft.EntityFrameworkCore.Storage.RelationalCommandParameterObject : Microsoft.EntityFrameworkCore.Storage.IRelationalConnection * System.Collections.Generic.IReadOnlyDictionary<string, obj> * System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Storage.ReaderColumn> * Microsoft.EntityFrameworkCore.DbContext * Microsoft.EntityFrameworkCore.Diagnostics.IRelationalCommandDiagnosticsLogger -> Microsoft.EntityFrameworkCore.Storage.RelationalCommandParameterObject

Public Sub New (connection As IRelationalConnection, parameterValues As IReadOnlyDictionary(Of String, Object), readerColumns As IReadOnlyList(Of ReaderColumn), context As DbContext, logger As IRelationalCommandDiagnosticsLogger)

参数

connection: IRelationalConnection

将对其执行命令的连接。

parameterValues: IReadOnlyDictionary<String,Object>

要使用的 SQL 参数值;如果没有， null 则为。

readerColumns: IReadOnlyList<ReaderColumn>

如果需要缓冲读取器，则为预期的列， null 否则为。

context: DbContext

当前 DbContext 实例;如果未知，则 null 为。

logger: IRelationalCommandDiagnosticsLogger

记录器; null 如果没有可用的记录器，则为。

适用于

RelationalCommandParameterObject(IRelationalConnection, IReadOnlyDictionary<String, Object>, IReadOnlyList<ReaderColumn>, DbContext, IDiagnosticsLogger<DbLoggerCategory.Database.Command>, Boolean)

Source:: RelationalCommandParameterObject.cs

为给定参数创建新的参数对象。

此类型通常由数据库提供程序 (和其他扩展) 使用。它通常不用于应用程序代码。

public RelationalCommandParameterObject (Microsoft.EntityFrameworkCore.Storage.IRelationalConnection connection, System.Collections.Generic.IReadOnlyDictionary<string,object> parameterValues, System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Storage.ReaderColumn> readerColumns, Microsoft.EntityFrameworkCore.DbContext context, Microsoft.EntityFrameworkCore.Diagnostics.IDiagnosticsLogger<Microsoft.EntityFrameworkCore.DbLoggerCategory.Database.Command> logger, bool detailedErrorsEnabled);

new Microsoft.EntityFrameworkCore.Storage.RelationalCommandParameterObject : Microsoft.EntityFrameworkCore.Storage.IRelationalConnection * System.Collections.Generic.IReadOnlyDictionary<string, obj> * System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Storage.ReaderColumn> * Microsoft.EntityFrameworkCore.DbContext * Microsoft.EntityFrameworkCore.Diagnostics.IDiagnosticsLogger<Microsoft.EntityFrameworkCore.DbLoggerCategory.Database.Command> * bool -> Microsoft.EntityFrameworkCore.Storage.RelationalCommandParameterObject

Public Sub New (connection As IRelationalConnection, parameterValues As IReadOnlyDictionary(Of String, Object), readerColumns As IReadOnlyList(Of ReaderColumn), context As DbContext, logger As IDiagnosticsLogger(Of DbLoggerCategory.Database.Command), detailedErrorsEnabled As Boolean)

参数

connection: IRelationalConnection

将对其执行命令的连接。

parameterValues: IReadOnlyDictionary<String,Object>

要使用的 SQL 参数值;如果没有，则为 null。

readerColumns: IReadOnlyList<ReaderColumn>

需要缓冲读取器时所需的列;否则为 null。

context: DbContext

当前 DbContext 实例;如果未知，则为 null。

logger: IDiagnosticsLogger<DbLoggerCategory.Database.Command>

记录器;如果没有可用的记录器，则为 null。

detailedErrorsEnabled: Boolean

一个值，该值指示是否启用了详细错误。

适用于

RelationalCommandParameterObject(IRelationalConnection, IReadOnlyDictionary<String, Object>, IReadOnlyList<ReaderColumn>, DbContext, IRelationalCommandDiagnosticsLogger, CommandSource)

Source:: RelationalCommandParameterObject.cs

Source:: RelationalCommandParameterObject.cs

Source:: RelationalCommandParameterObject.cs

Source:: RelationalCommandParameterObject.cs

为给定参数创建新的参数对象。

此类型通常由数据库提供程序 (和其他扩展) 使用。它通常不用于应用程序代码。

public RelationalCommandParameterObject (Microsoft.EntityFrameworkCore.Storage.IRelationalConnection connection, System.Collections.Generic.IReadOnlyDictionary<string,object?>? parameterValues, System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Storage.ReaderColumn>? readerColumns, Microsoft.EntityFrameworkCore.DbContext? context, Microsoft.EntityFrameworkCore.Diagnostics.IRelationalCommandDiagnosticsLogger? logger, Microsoft.EntityFrameworkCore.Diagnostics.CommandSource commandSource);

new Microsoft.EntityFrameworkCore.Storage.RelationalCommandParameterObject : Microsoft.EntityFrameworkCore.Storage.IRelationalConnection * System.Collections.Generic.IReadOnlyDictionary<string, obj> * System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Storage.ReaderColumn> * Microsoft.EntityFrameworkCore.DbContext * Microsoft.EntityFrameworkCore.Diagnostics.IRelationalCommandDiagnosticsLogger * Microsoft.EntityFrameworkCore.Diagnostics.CommandSource -> Microsoft.EntityFrameworkCore.Storage.RelationalCommandParameterObject

Public Sub New (connection As IRelationalConnection, parameterValues As IReadOnlyDictionary(Of String, Object), readerColumns As IReadOnlyList(Of ReaderColumn), context As DbContext, logger As IRelationalCommandDiagnosticsLogger, commandSource As CommandSource)

参数

connection: IRelationalConnection

将对其执行命令的连接。

parameterValues: IReadOnlyDictionary<String,Object>

要使用的 SQL 参数值;如果没有，则为 null。

readerColumns: IReadOnlyList<ReaderColumn>

需要缓冲读取器时所需的列;否则为 null。

context: DbContext

当前 DbContext 实例;如果未知，则为 null。

logger: IRelationalCommandDiagnosticsLogger

记录器;如果没有可用的记录器，则为 null。

commandSource: CommandSource

命令的源。

适用于

RelationalCommandParameterObject(IRelationalConnection, IReadOnlyDictionary<String, Object>, IReadOnlyList<ReaderColumn>, DbContext, IRelationalCommandDiagnosticsLogger, Boolean)

Source:: RelationalCommandParameterObject.cs

Source:: RelationalCommandParameterObject.cs

Source:: RelationalCommandParameterObject.cs

Source:: RelationalCommandParameterObject.cs

为给定参数创建新的参数对象。

此类型通常由数据库提供程序 (和其他扩展) 使用。它通常不用于应用程序代码。

public RelationalCommandParameterObject (Microsoft.EntityFrameworkCore.Storage.IRelationalConnection connection, System.Collections.Generic.IReadOnlyDictionary<string,object?>? parameterValues, System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Storage.ReaderColumn>? readerColumns, Microsoft.EntityFrameworkCore.DbContext? context, Microsoft.EntityFrameworkCore.Diagnostics.IRelationalCommandDiagnosticsLogger? logger, bool detailedErrorsEnabled);

new Microsoft.EntityFrameworkCore.Storage.RelationalCommandParameterObject : Microsoft.EntityFrameworkCore.Storage.IRelationalConnection * System.Collections.Generic.IReadOnlyDictionary<string, obj> * System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Storage.ReaderColumn> * Microsoft.EntityFrameworkCore.DbContext * Microsoft.EntityFrameworkCore.Diagnostics.IRelationalCommandDiagnosticsLogger * bool -> Microsoft.EntityFrameworkCore.Storage.RelationalCommandParameterObject

Public Sub New (connection As IRelationalConnection, parameterValues As IReadOnlyDictionary(Of String, Object), readerColumns As IReadOnlyList(Of ReaderColumn), context As DbContext, logger As IRelationalCommandDiagnosticsLogger, detailedErrorsEnabled As Boolean)

参数

connection: IRelationalConnection

将对其执行命令的连接。

parameterValues: IReadOnlyDictionary<String,Object>

要使用的 SQL 参数值;如果没有，则为 null。

readerColumns: IReadOnlyList<ReaderColumn>

需要缓冲读取器时所需的列;否则为 null。

context: DbContext

当前 DbContext 实例;如果未知，则为 null。

logger: IRelationalCommandDiagnosticsLogger

记录器;如果没有可用的记录器，则为 null。

detailedErrorsEnabled: Boolean

一个值，该值指示是否启用了详细错误。

适用于

RelationalCommandParameterObject(IRelationalConnection, IReadOnlyDictionary<String, Object>, IReadOnlyList<ReaderColumn>, DbContext, IRelationalCommandDiagnosticsLogger, Boolean, CommandSource)

Source:: RelationalCommandParameterObject.cs

Source:: RelationalCommandParameterObject.cs

Source:: RelationalCommandParameterObject.cs

Source:: RelationalCommandParameterObject.cs

为给定参数创建新的参数对象。

此类型通常由数据库提供程序 (和其他扩展) 使用。它通常不在应用程序代码中使用。

public RelationalCommandParameterObject (Microsoft.EntityFrameworkCore.Storage.IRelationalConnection connection, System.Collections.Generic.IReadOnlyDictionary<string,object?>? parameterValues, System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Storage.ReaderColumn>? readerColumns, Microsoft.EntityFrameworkCore.DbContext? context, Microsoft.EntityFrameworkCore.Diagnostics.IRelationalCommandDiagnosticsLogger? logger, bool detailedErrorsEnabled, Microsoft.EntityFrameworkCore.Diagnostics.CommandSource commandSource);

public RelationalCommandParameterObject (Microsoft.EntityFrameworkCore.Storage.IRelationalConnection connection, System.Collections.Generic.IReadOnlyDictionary<string,object?>? parameterValues, System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Storage.ReaderColumn?>? readerColumns, Microsoft.EntityFrameworkCore.DbContext? context, Microsoft.EntityFrameworkCore.Diagnostics.IRelationalCommandDiagnosticsLogger? logger, bool detailedErrorsEnabled, Microsoft.EntityFrameworkCore.Diagnostics.CommandSource commandSource);

new Microsoft.EntityFrameworkCore.Storage.RelationalCommandParameterObject : Microsoft.EntityFrameworkCore.Storage.IRelationalConnection * System.Collections.Generic.IReadOnlyDictionary<string, obj> * System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Storage.ReaderColumn> * Microsoft.EntityFrameworkCore.DbContext * Microsoft.EntityFrameworkCore.Diagnostics.IRelationalCommandDiagnosticsLogger * bool * Microsoft.EntityFrameworkCore.Diagnostics.CommandSource -> Microsoft.EntityFrameworkCore.Storage.RelationalCommandParameterObject

Public Sub New (connection As IRelationalConnection, parameterValues As IReadOnlyDictionary(Of String, Object), readerColumns As IReadOnlyList(Of ReaderColumn), context As DbContext, logger As IRelationalCommandDiagnosticsLogger, detailedErrorsEnabled As Boolean, commandSource As CommandSource)

参数

connection: IRelationalConnection

将对其执行命令的连接。

parameterValues: IReadOnlyDictionary<String,Object>

要使用的 SQL 参数值;如果没有，则为 null。

readerColumns: IReadOnlyList<ReaderColumn>

需要缓冲读取器时所需的列;否则为 null。

context: DbContext

当前 DbContext 实例;如果未知，则为 null。

logger: IRelationalCommandDiagnosticsLogger

记录器;如果没有可用的记录器，则为 null。

detailedErrorsEnabled: Boolean

一个值，该值指示是否启用了详细错误。

commandSource: CommandSource

命令的源。

适用于

通过

RelationalCommandParameterObject 构造函数

定义

重载

RelationalCommandParameterObject(IRelationalConnection, IReadOnlyDictionary<String, Object>, DbContext, IDiagnosticsLogger<DbLoggerCategory.Database.Command>)

参数

适用于

RelationalCommandParameterObject(IRelationalConnection, IReadOnlyDictionary<String, Object>, IReadOnlyList<ReaderColumn>, DbContext, IDiagnosticsLogger<DbLoggerCategory.Database.Command>)

参数

适用于

RelationalCommandParameterObject(IRelationalConnection, IReadOnlyDictionary<String, Object>, IReadOnlyList<ReaderColumn>, DbContext, IRelationalCommandDiagnosticsLogger)

参数

适用于

RelationalCommandParameterObject(IRelationalConnection, IReadOnlyDictionary<String, Object>, IReadOnlyList<ReaderColumn>, DbContext, IDiagnosticsLogger<DbLoggerCategory.Database.Command>, Boolean)

参数

适用于

RelationalCommandParameterObject(IRelationalConnection, IReadOnlyDictionary<String, Object>, IReadOnlyList<ReaderColumn>, DbContext, IRelationalCommandDiagnosticsLogger, CommandSource)

参数

适用于

RelationalCommandParameterObject(IRelationalConnection, IReadOnlyDictionary<String, Object>, IReadOnlyList<ReaderColumn>, DbContext, IRelationalCommandDiagnosticsLogger, Boolean)

参数

适用于

RelationalCommandParameterObject(IRelationalConnection, IReadOnlyDictionary<String, Object>, IReadOnlyList<ReaderColumn>, DbContext, IRelationalCommandDiagnosticsLogger, Boolean, CommandSource)

参数

适用于

其他资源