【原创】C#调用存储过程

Code

-- T - SQL不带参数
if  exists(select  *  from sysobjects  where  name = ' SelectStu ' )
drop proc SelectStu
GO
create proc SelectStu
as
select  *  from student
GO


-- c#
SqlCommand cmd  =   new  SqlCommand( " SelectStu " ,con);
            cmd.CommandType  =  CommandType.StoredProcedure;
            SqlDataReader dr  =  cmd.ExecuteReader();
             while (dr.Read())
            {
                Console.WriteLine(dr[ " LoginId " ]);
            }



-- T - SQL 带一个参数
if  exists(select  *  from sysobjects  where  name = ' SelectStu ' )
drop proc SelectStu
GO
create proc SelectStu
@name varchar( 50 )
as
select  *  from student  where  loginid = @name
GO


-- C#
SqlCommand cmd  =   new  SqlCommand( " SelectStu " ,con);
            cmd.CommandType  =  CommandType.StoredProcedure;
            cmd.Parameters.Add( " @name " ,  " LiDifei " );
            SqlDataReader dr  =  cmd.ExecuteReader();
             while (dr.Read())
            {
                Console.WriteLine(dr[ " LoginId " ]);
            }


-- T - SQL 有返回值
if  exists(select  *  from sysobjects  where  name = ' SelectStu ' )
drop proc SelectStu
GO
create proc SelectStu
@name varchar( 50 ),
@id  int  output
as
select @id = studentid from student  where  loginid = @name
return  @id
GO


-- C#
SqlCommand cmd  =   new  SqlCommand( " SelectStu " ,con);
            cmd.CommandType  =  CommandType.StoredProcedure;
            cmd.Parameters.Add( " @name " ,  " LiDifei " );
            cmd.Parameters.Add( " @id " ,SqlDbType.Int);
            cmd.Parameters[ " @id " ].Direction  =  ParameterDirection.Output;
            cmd.ExecuteScalar();
            Console.WriteLine(cmd.Parameters[ " @id " ].Value);




-------------------------------------------------------------------------------------



// 以前写过的一个调用存储过程的方法

  public   static   int  regInsert( string  Pwd,  int  Friend,  string  NickName,  int  FaceID,  string  Sex,  int  Age,  string  Name,  int  starId,  int  BloodTypeId)
        {
             try
            {
                SqlConnection conn  =  createConnection();
                conn.Open();
                SqlCommand cmd  =   new  SqlCommand( " proc_reg " , conn);
                cmd.CommandType  =  CommandType.StoredProcedure;
                cmd.Parameters.Add( " @id " ,SqlDbType.Int);
                cmd.Parameters[ " @id " ].Direction  =  ParameterDirection.Output;
                cmd.Parameters.AddWithValue( " @LoginPwd " ,Pwd);
                cmd.Parameters.AddWithValue( " @FriendshipPolicyId " ,Friend);
                cmd.Parameters.AddWithValue( " @NickName " ,NickName);
                cmd.Parameters.AddWithValue( " @FaceID " ,FaceID);
                cmd.Parameters.AddWithValue( " @Sex " ,Sex);
                cmd.Parameters.AddWithValue( " @Age " ,Age);
                cmd.Parameters.AddWithValue( " @Name " ,Name);
                cmd.Parameters.AddWithValue( " @starId " ,starId);
                cmd.Parameters.AddWithValue( " @BloodTypeId " , BloodTypeId);

                
                
                cmd.ExecuteNonQuery();
                 return  ( int )cmd.Parameters[ " @id " ].Value;
                
               
            }
             catch  (SqlException ex)
            {
                Console.WriteLine(ex.Message);
            }
             return   0 ;
          
        }




-------------------------------------------------------------------------------  

// 从网上摘抄
           
string  ConnectionString  =   " server=.;database=PubData;uid=sa;pwd=123456 " ;
             using  (SqlConnection Conn  =   new  SqlConnection(ConnectionString))
            {   
                
                SqlCommand CMD  =   new  SqlCommand();
                CMD.CommandType  =  CommandType.StoredProcedure;
                CMD.Connection  =  Conn;
                 // 没有输入参数调用有返回参数
                 // 存储过程如下
                 // ------------------------------------
                 // --用途：得到最大ID 
                 // --项目名称：
                 // --说明：
                 // --时间：2007-12-6 17:15:27
                 // ------------------------------------
                 // ALTER PROCEDURE SysBaseData_GetMaxId
                 // AS
                 // DECLARE @TempID int
                 // SELECT @TempID = max([BaseDataID])+1 FROM SysBaseData
                 // IF @TempID IS NULL
                 //     RETURN 1
                 // ELSE
                 //     RETURN @TempID

                CMD.CommandText  =   " SysBaseData_GetMaxId " ;
                Conn.Open();
                CMD.Parameters.Add( new  SqlParameter( " ReturnValue " ,
                SqlDbType.Int,  4 , ParameterDirection.ReturnValue,
                 false ,  0 ,  0 ,  string .Empty, DataRowVersion.Default,  null ));
                CMD.ExecuteScalar();
                Response.Write( " 没有输入参数调用有返回参数: " + CMD.Parameters[ " ReturnValue " ].Value);
                Response.Write( " <br> " );

                 // 有一个传入参数和返回参数
                 // ------------------------------------
                 // --用途：是否已经存在 
                 // --项目名称：
                 // --说明：
                 // --时间：2007-12-6 17:15:27
                 // ------------------------------------
                 // ALTER PROCEDURE SysBaseData_Exists
                 // @BaseDataID int
                 // AS
                 //     DECLARE @TempID int
                 //     SELECT @TempID = count(1) FROM SysBaseData WHERE [BaseDataID] = @BaseDataID
                 //     IF @TempID = 0
                 //         RETURN 0
                 //     ELSE
                 //         RETURN 1

                CMD.CommandText  =   " SysBaseData_Exists " ;
                SqlParameter[] parameters  =  {  new  SqlParameter( " @BaseDataID " , SqlDbType.Int) };
                parameters[ 0 ].Value  =   22 ;
                CMD.Parameters.Add(parameters[ 0 ]);
                CMD.Parameters.Add( new  SqlParameter( " ReturnValue " ,SqlDbType.Int,  4 , ParameterDirection.ReturnValue, false ,  0 ,  0 ,  string .Empty, DataRowVersion.Default,  null ));
                 int  j  =  CMD.ExecuteNonQuery();
                Response.Write( " 有一个传入参数和返回参数: " + CMD.Parameters[ " ReturnValue " ].Value);
                Response.Write( " <br> " );
                CMD.Parameters.Clear();

                 // 有一个传入参数没有返回值
                 // ------------------------------------
                 // --用途：删除一条记录 
                 // --项目名称：
                 // --说明：
                 // --时间：2007-12-6 17:15:27
                 // ------------------------------------
                 // ALTER PROCEDURE SysBaseData_Delete
                 // @BaseDataID int
                 //  AS 
                 //     DELETE SysBaseData
                 //      WHERE [BaseDataID] = @BaseDataID
                CMD.CommandText  =   " SysBaseData_Delete " ;
                SqlParameter[] parameters2  =  {  new  SqlParameter( " @BaseDataID " ,SqlDbType.Int) };
                parameters2[ 0 ].Value  =   29 ;
                CMD.Parameters.Add(parameters2[ 0 ]);
                 int  k  =  CMD.ExecuteNonQuery();
                Response.Write( " 有一个传入参数没有返回值: "   +  k);
                CMD.Parameters.Clear();
                Response.Write( " <br> " );

                 // 有多个转入参数没有近回值
                 // ------------------------------------
                 // --用途：修改一条记录 
                 // --项目名称：
                 // --说明：
                 // --时间：2007-12-6 17:15:27
                 // ------------------------------------
                 // ALTER PROCEDURE SysBaseData_Update
                 // @BaseDataID int,
                 // @BaseDataCode char(10),
                 // @BaseDataName varchar(30),
                 // @ParentCode char(10),
                 // @Description varchar(100),
                 // @LevelType int,
                 // @VaildType char(1),
                 // @PathCode varchar(100),
                 // @SerialNumberID int,
                 // @msrepl_tran_version uniqueidentifier
                 //  AS 
                 //     UPDATE SysBaseData SET 
                 //     [BaseDataCode] = @BaseDataCode,[BaseDataName] = @BaseDataName,[ParentCode] = @ParentCode,[Description] = @Description,[LevelType] = @LevelType,[VaildType] = @VaildType,[PathCode] = @PathCode,[SerialNumberID] = @SerialNumberID,[msrepl_tran_version] = @msrepl_tran_version
                 //     WHERE [BaseDataID] = @BaseDataID
                CMD.CommandText  =   " SysBaseData_Update " ;
                SqlParameter[] parameters3  =  { 
                     new  SqlParameter( " @BaseDataID " ,SqlDbType.Int),
                     new  SqlParameter( " @BaseDataCode " ,SqlDbType.VarChar),
                     new  SqlParameter( " @BaseDataName " ,SqlDbType.VarChar),
                     new  SqlParameter( " @ParentCode " ,SqlDbType.VarChar),
                     new  SqlParameter( " @Description " ,SqlDbType.VarChar),
                     new  SqlParameter( " @LevelType " ,SqlDbType.Int),
                     new  SqlParameter( " @VaildType " ,SqlDbType.VarChar),
                     new  SqlParameter( " @PathCode " ,SqlDbType.VarChar),
                     new  SqlParameter( " @SerialNumberID " ,SqlDbType.Int)
                };
                parameters3[ 0 ].Value  =   28 ;
                parameters3[ 1 ].Value  =   " DCCK02 " ;
                parameters3[ 2 ].Value  =   " 中秋节0 " ;
                parameters3[ 3 ].Value  =   " DCCK " ;
                parameters3[ 4 ].Value  =   "" ;
                parameters3[ 5 ].Value  =   3 ;
                parameters3[ 6 ].Value  =   " 0 " ;
                parameters3[ 7 ].Value  =   "" ;
                parameters3[ 8 ].Value  =   0 ;
                 foreach (SqlParameter parameter  in  parameters3)
                {
                    CMD.Parameters.Add(parameter);
                }
                 int  m  =  CMD.ExecuteNonQuery();
                Response.Write( " 有多个转入参数没有近回值: "   +  m);
                CMD.Parameters.Clear();
                Response.Write( " <br> " );


                 // 没有输入参数获得数据集
                 // ------------------------------------
                 // --用途：查询记录信息 
                 // --项目名称：
                 // --说明：
                 // --时间：2007-12-6 17:15:27
                 // ------------------------------------
                 // ALTER PROCEDURE UP_SysBaseData_GetList
                 //  AS 
                 //     SELECT 
                 //     [BaseDataID],[BaseDataCode],[BaseDataName],[ParentCode],[Description],[LevelType],[VaildType],[PathCode],[SerialNumberID],[msrepl_tran_version]
                 //      FROM SysBaseData
                CMD.CommandText  =   " UP_SysBaseData_GetList " ;
                SqlDataAdapter DA  =   new  SqlDataAdapter();
                DA.SelectCommand  =  CMD;
                DataSet DS  =   new  DataSet();
                 int  n  =  DA.Fill(DS);
                Response.Write( " 没有输入参数获得数据集: "   +  n);
                Response.Write( " <br> " );
                 // GridView1.DataSource = DS;
                 // GridView1.DataBind();

                 // 有输入输出参数获得数据集
                 // -- =============================================
                 // -- Author:        <Author,,Name>
                 // -- Create date: <Create Date,,>
                 // -- Description:    <Description,,>
                 // -- =============================================
                 // ALTER PROCEDURE [dbo].[UP_GetRecordByPage]
                 //     @PageSize int,
                 //     @PageIndex int,
                 //     @NCount  int output
                 // AS
                 // declare @StarRow int
                 // declare @EndRow int
                 // select @NCount=count(BaseDataID) from SysBaseData
                 // BEGIN
                 //     SET NOCOUNT ON;
                 //     with SysDataBaseList as 
                 //     (
                 //         select row_number() over(order by BaseDataID desc) as rownumbers,
                 //         BaseDataID,BaseDataName,ParentCode 
                 //         from SysBaseData
                 //     )
                 //     select * from SysDataBaseList where rownumbers between (@PageIndex-1)*@PageSize+1 and (@PageIndex-1)*@PageSize+@PageSize

                 // END
                CMD.CommandText  =   " UP_GetRecordByPage " ;
                SqlDataAdapter DA2  =   new  SqlDataAdapter();
                SqlParameter[] parameters4  =  {
                     new  SqlParameter( " @PageSize " ,SqlDbType.Int),
                     new  SqlParameter( " @PageIndex " ,SqlDbType.Int),
                     new  SqlParameter( " @NCount " ,SqlDbType.Int,  4 , ParameterDirection.Output, false ,  0 ,  0 ,  string .Empty, DataRowVersion.Default,  null )
                    };
                parameters4[ 0 ].Value  =   5 ;
                parameters4[ 1 ].Value  =   2 ;

                 foreach  (SqlParameter parameter  in  parameters4)
                {
                    CMD.Parameters.Add(parameter);
                }
                DA2.SelectCommand  =  CMD;
                DataSet DS2  =   new  DataSet();
                 int  n2  =  DA2.Fill(DS2);
                Response.Write( " 有输入输出参数获得数据集: "   +  n2  +   " 一共 "   +  CMD.Parameters[ 2 ].Value  +   " 行 " );
                GridView1.DataSource  =  DS2;
                GridView1.DataBind();
           }

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