在SQL Server中为.net程序集创建问题的功能

[SqlProcedure()]
public static void GetCustInfo(SqlString PhoneNo, out SqlString CustInfo)
{
    // code...
}

CREATE FUNCTION [dbo].[GetCustInfo] (@PhoneNo nvarchar(50))
RETURNS nvarchar(max) WITH EXECUTE AS CALLER
AS EXTERNAL NAME  CustFromPhone.[ManagedCodeAndSQLServer.BaseFunctionClass].GetCustInfo

[SqlProcedure()]
public static SqlString GetCustInfo(SqlString PhoneNo)
{
    // code...
}