1. Createdatabase Test;  
2. go 
3. USE [Test] 
4. GO 
5. if OBJECT_ID('Tab2','U') isnotnull
6.     droptable Tab2 
7. go 
8. CREATETABLE [dbo].[Tab2]( 
9.     [ID] [int] IDENTITY(1,1) NOTNULL, 
10.     [TabID] [int] NOTNULL, 
11.     [Name2] [nvarchar](50) NULL
12. )  
13. GO 
14. SET IDENTITY_INSERT [dbo].[Tab2]
    ON
15. GO 
16. INSERT [dbo].[Tab2] ([ID], [TabID], [Name2]) VALUES (1, 245575913, N'ID') 
17. GO 
18. INSERT [dbo].[Tab2] ([ID], [TabID], [Name2]) VALUES (2, 245575913, N'name') 
19. GO 
20. INSERT [dbo].[Tab2] ([ID], [TabID], [Name2]) VALUES (3, 277576027, N'ID') 
21. GO 
22. INSERT [dbo].[Tab2] ([ID], [TabID], [Name2]) VALUES (4, 277576027, N
    'Name2') 
23. GO 
24. INSERT [dbo].[Tab2] ([ID], [TabID], [Name2]) VALUES (5, 277576027, N'TabID') 
25. GO 
26. SET IDENTITY_INSERT [dbo].[Tab2] OFF
27. GO 
28. if OBJECT_ID('P2','P') isnotnull
29.     dropprocedure P2 
30. go 
31. Createprocedure P2 
32. ( 
33. @StartID int, 
34. @EndID int, 
35. @Rowcount intoutput
36. ) 
37. as
38. select * from Tab2 where ID between
    @StartID and @EndID 
39. set @[email protected]@ROWCOUNT 
40. go 

Create database Test; 
go
USE [Test]
GO
if OBJECT_ID('Tab2','U') is not null
	drop table Tab2
go
CREATE TABLE [dbo].[Tab2](
	[ID] [int] IDENTITY(1,1) NOT NULL,
	[TabID] [int] NOT NULL,
	[Name2] [nvarchar](50) NULL
) 
GO
SET IDENTITY_INSERT [dbo].[Tab2] ON 
GO
INSERT [dbo].[Tab2] ([ID], [TabID], [Name2]) VALUES (1, 245575913, N'ID')
GO
INSERT [dbo].[Tab2] ([ID], [TabID], [Name2]) VALUES (2, 245575913, N'name')
GO
INSERT [dbo].[Tab2] ([ID], [TabID], [Name2]) VALUES (3, 277576027, N'ID')
GO
INSERT [dbo].[Tab2] ([ID], [TabID], [Name2]) VALUES (4, 277576027, N'Name2')
GO
INSERT [dbo].[Tab2] ([ID], [TabID], [Name2]) VALUES (5, 277576027, N'TabID')
GO
SET IDENTITY_INSERT [dbo].[Tab2] OFF
GO
if OBJECT_ID('P2','P') is not null
	drop procedure P2
go
Create procedure P2
(
@StartID int,
@EndID int,
@Rowcount int output
)
as
select * from Tab2 where ID between @StartID and @EndID
set @[email protected]@ROWCOUNT
go

1. #region Using Directives
2. using System; 
3. using System.Data; 
4. using System.Data.SqlClient; 
5. using System.Collections.Generic; 
6. using System.Linq; 
7. using System.Text; 
8. using System.Threading.Tasks; 
9. #endregion
10. namespace TestExecute 
11. { 
12.     class Program 
13.     { 
14.         staticvoid Main(string[] args) 
15.         { 
16.             SqlConnection thisConnection = new SqlConnection(@"Server=(Local);Database=Test;User ID=sa;Password=1"); 
17.             thisConnection.Open(); 
18.             SqlCommand thisCommand = thisConnection.CreateCommand(); 
19.             thisCommand.CommandType = CommandType.StoredProcedure; 
20.             thisCommand.CommandText = "P2"; 
21.             IDataParameter[] parameters = { 
22.                 new SqlParameter("@StartID",SqlDbType.Int), 
23.                 new SqlParameter("@EndID",SqlDbType.Int), 
24.                 new SqlParameter("@Rowcount",SqlDbType.Int), 
25.                 new SqlParameter("return_value",SqlDbType.Int) 
26.             }; 
27.             parameters[0].Value = "1"; 
28.             parameters[1].Value = "5"; 
29.             parameters[2].Direction = ParameterDirection.Output; 
30.             parameters[3].Direction = ParameterDirection.ReturnValue; 
31.             thisCommand.Parameters.AddRange(parameters); 
32.             thisCommand.ExecuteNonQuery(); 
33.             thisConnection.Close(); 
34.             Console.WriteLine("@Rowcount:{0}\nReturn_value:{1}",parameters[2].Value,parameters[3].Value); 
35.             Console.ReadKey(); 
36.         } 
37.     } 
38. } 

#region Using Directives
using System;
using System.Data;
using System.Data.SqlClient;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
#endregion

namespace TestExecute
{
    class Program
    {
        static void Main(string[] args)
        {
            SqlConnection thisConnection = new SqlConnection(@"Server=(Local);Database=Test;User ID=sa;Password=1");
            thisConnection.Open();
            SqlCommand thisCommand = thisConnection.CreateCommand();
            thisCommand.CommandType = CommandType.StoredProcedure;
            thisCommand.CommandText = "P2";
            IDataParameter[] parameters = {
                new SqlParameter("@StartID",SqlDbType.Int),
                new SqlParameter("@EndID",SqlDbType.Int),
                new SqlParameter("@Rowcount",SqlDbType.Int),
                new SqlParameter("return_value",SqlDbType.Int)
            };
            parameters[0].Value = "1";
            parameters[1].Value = "5";
            parameters[2].Direction = ParameterDirection.Output;
            parameters[3].Direction = ParameterDirection.ReturnValue;
            thisCommand.Parameters.AddRange(parameters);
            thisCommand.ExecuteNonQuery();
            thisConnection.Close();
            Console.WriteLine("@Rowcount:{0}\nReturn_value:{1}",parameters[2].Value,parameters[3].Value);
            Console.ReadKey();
        }
    }
}

--按F5執行結果：