通过

ServerConnection.ExecuteScalar Method (String)

  • 项目

Executes a Transact-SQL statement and returns the first column of the first row as an object value.

命名空间: Microsoft.SqlServer.Management.Common
程序集: Microsoft.SqlServer.ConnectionInfo (in microsoft.sqlserver.connectioninfo.dll)

语法

声明
Public Function ExecuteScalar ( _
    sqlCommand As String _
) As Object

public Object ExecuteScalar (
    string sqlCommand
)

public:
Object^ ExecuteScalar (
    String^ sqlCommand
)

public Object ExecuteScalar (
    String sqlCommand
)

public function ExecuteScalar (
    sqlCommand : String
) : Object

参数

  • sqlCommand
    A String value that specifies the Transact-SQL command to be executed.

返回值

An Object system object value that specifies the first column of the first row of the result set.

备注

仅 Microsoft .NET Framework 的 2.0 版本支持此命名空间、类或成员。

线程安全

Any public static (Shared in Microsoft Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

平台

开发平台

有关支持的平台列表，请参阅安装 SQL Server 2005 的硬件和软件要求。

目标平台

有关支持的平台列表，请参阅安装 SQL Server 2005 的硬件和软件要求。

请参阅

参考

ServerConnection Class
ServerConnection Members
Microsoft.SqlServer.Management.Common Namespace

其他资源

Calling Methods