ConnectionManager 类

The ConnectionManager class manages the connection to an instance of SQL Server.

继承层次结构

System.Object
  Microsoft.SqlServer.Management.Common.ConnectionSettings
    Microsoft.SqlServer.Management.Common.ConnectionManager
      Microsoft.SqlServer.Management.Common.ServerConnection

命名空间：  Microsoft.SqlServer.Management.Common
程序集：  Microsoft.SqlServer.ConnectionInfo（在 Microsoft.SqlServer.ConnectionInfo.dll 中）

语法

声明
Public MustInherit Class ConnectionManager _
    Inherits ConnectionSettings
用法
Dim instance As ConnectionManager

public abstract class ConnectionManager : ConnectionSettings

public ref class ConnectionManager abstract : public ConnectionSettings

[<AbstractClassAttribute>]
type ConnectionManager =  
    class 
        inherit ConnectionSettings 
    end

public abstract class ConnectionManager extends ConnectionSettings

ConnectionManager 类型公开以下成员。

属性

	名称	说明
	ApplicationName	Gets or sets the name of the application that has established the connection with the server. （从 ConnectionSettings 继承。）
	AutoDisconnectMode	Gets or sets the automatic disconnection mode of the referenced connection to the instance of SQL Server.
	CapturedSql	Gets the Transact-SQL statements that are captured when the connection is running in capture mode.
	ConnectAsUser	Gets or sets the Boolean property value that specifies whether the connection is established using impersonation. （从 ConnectionSettings 继承。）
	ConnectAsUserName	Gets or sets the name of the user when connecting using impersonation. （从 ConnectionSettings 继承。）
	ConnectAsUserPassword	Gets or sets the password for the user when connecting using impersonation. （从 ConnectionSettings 继承。）
	ConnectionString	Gets or sets the connection string used to establish a connection with a specified data source. （从 ConnectionSettings 继承。）
	ConnectTimeout	Gets or sets the connection time-out period in seconds. （从 ConnectionSettings 继承。）
	DatabaseEngineType	Gets the database engine type.
	DatabaseName	Gets or sets the database required by the connection. （从 ConnectionSettings 继承。）
	EncryptConnection	Gets or sets the Boolean property value that specifies whether the connection is encrypted. （从 ConnectionSettings 继承。）
	InUse	Gets or sets the Boolean property value that specifies whether the connection is being used.
	IsForceDisconnected	Gets a Boolean value that specifies whether the connection was forcibly disconnected.
	IsOpen	Gets the Boolean property value that specifies whether the connection is currently open.
	LockTimeout	Gets or sets the time in seconds required for the connection to time out when the current transaction is locked.
	Login	Gets or sets the logon required to establish a connection with the instance of the server. （从 ConnectionSettings 继承。）
	LoginSecure	Gets or sets the Boolean property that specifies whether the connection is established to the server by using Windows Authentication or SQL Server Authentication. （从 ConnectionSettings 继承。）
	MaxPoolSize	Gets or sets the maximum number of connections in a connection pool that the specified connection accepts when establishing a connection with a server. （从 ConnectionSettings 继承。）
	MinPoolSize	Gets or sets the minimum number of connections in a connection pool that the specified connection accepts when establishing a connection with a server. （从 ConnectionSettings 继承。）
	MultipleActiveResultSets	Gets or sets the Boolean property value that specifies whether more than one active result set is permitted. （从 ConnectionSettings 继承。）
	NetworkProtocol	Gets or sets the network protocol used to establish the connection to the server. （从 ConnectionSettings 继承。）
	NonPooledConnection	Gets or sets the Boolean property value that specifies whether the connection may be pooled or nonpooled. （从 ConnectionSettings 继承。）
	PacketSize	Gets or sets the packets of data sent between the client and the server over the network in bytes. （从 ConnectionSettings 继承。）
	Password	Gets or sets the password used with the logon to establish a connection with the server when SQL Server Authentication is used. （从 ConnectionSettings 继承。）
	PooledConnectionLifetime	Gets or sets the lifetime of the pooled connection. （从 ConnectionSettings 继承。）
	ResetConnectionString	Gets or sets a Boolean value that specifies whether a node in the connection string has been changed. （从 ConnectionSettings 继承。）
	SecureConnectionString	Gets or sets an encrypted version of the connection string. （从 ConnectionSettings 继承。）
	SecurePassword	Gets or sets the secure password used with the logon to establish a connection with the server when SQL Server Authentication is used. （从 ConnectionSettings 继承。）
	ServerInstance	Gets or sets the name of the server. （从 ConnectionSettings 继承。）
	ServerVersion	Gets the version of the connected instance of SQL Server.
	SqlConnectionObject	Gets the connection object.
	WorkstationId	Gets or sets the ID value that uniquely identifies the workstation. （从 ConnectionSettings 继承。）

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方法

	名称	说明
	CheckServerVersion	Checks the version of the target instance of SQL Server.
	Connect	Connects to the instance of SQL Server.
	Disconnect	Disconnects from the instance of SQL Server.
	Equals	（从 Object 继承。）
	ExecuteTSql	Executes a Transact-SQL command.
	Finalize	（从 Object 继承。）
	ForceDisconnected	Forces a disconnect from the instance of SQL Server.
	GetHashCode	（从 Object 继承。）
	GetType	（从 Object 继承。）
	MemberwiseClone	（从 Object 继承。）
	ThrowIfPropertyNotSet(String, String)	Throws an exception if the specified connection property is null or empty. （从 ConnectionSettings 继承。）
	ThrowIfPropertyNotSet(String, String, Boolean)	Throws an exception if the specified connection property is null or, optionally, empty. （从 ConnectionSettings 继承。）
	ToString	Returns the referenced object name as a string. （从 ConnectionSettings 继承。）

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事件

	名称	说明
	InfoMessage	The event that occurs when the instance of SQL Server generates an informational message.
	RemoteLoginFailed	This event occurs when a remote login fails to connect to the instance of SQL Server.
	ServerMessage	The event that occurs when SQL Server returns a warning or informational message on the current connection.
	StateChange	The event that occurs when the instance of SQL Server changes state.
	StatementExecuted	The event that occurs when the instance of SQL Server executes a statement on the current connection.

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线程安全

此类型的任何公共 static（在 Visual Basic 中为 Shared） 成员都是线程安全的。不保证所有实例成员都是线程安全的。

请参阅

参考

Microsoft.SqlServer.Management.Common 命名空间