[SQL]向3个表插入数据的存储过程 和 C# 代码

 public int UpdateQty(string strPartID, int iQty, int iUpdateQty, string strBarCode, string strCreaterId)

        {

            int iRet;

            SqlConnection conn = DBConnection.GetConn_SPAIS();

            SqlCommand cmd = new SqlCommand("CSP0203_UpdateQty", conn);

            cmd.CommandType = CommandType.StoredProcedure;

            cmd.Parameters.AddWithValue("@vcPartID", strPartID);

            cmd.Parameters.AddWithValue("@Qty", iQty);

            cmd.Parameters.AddWithValue("@updateQty", iUpdateQty);

            cmd.Parameters.AddWithValue("@vcBarCode", strBarCode);

            cmd.Parameters.AddWithValue("@vcCreaterId", strCreaterId);

            cmd.Parameters.Add("return", SqlDbType.Int).Direction = ParameterDirection.ReturnValue;



            try

            {

                conn.Open();

                cmd.ExecuteNonQuery();

                iRet = (int)cmd.Parameters["return"].Value;

                return iRet;

            }

            catch (SqlException ex)

            {

                throw ex;

            }

            finally

            {

                conn.Close();

                

            }

            

        }

use SPAISdb



go

 alter proc CSP0203_UpdateQty

    

    @vcPartID varchar(50)

   ,@Qty int

   ,@updateQty int

   ,@vcBarCode varchar(50)

   ,@vcCreaterId varchar(50)

   --,@Return int output



   

   

 as

 begin  transaction 

    update tStock

        set iStockQty=iStockQty-@Qty+@updateQty 

        where vcPartID=@vcPartID

        

    update tScan

        set decQuantity=decQuantity-@Qty+@updateQty ,decStockNum=decStockNum-@Qty+@updateQty 

        where vcBarCode=@vcBarCode

        

    insert into tUpdateQtyRecord(vcBarCode,vcPartID,iUpdateQty,vcCreaterId)values(@vcBarCode,@vcPartID,@updateQty,@vcCreaterId)

    

 if @@error<>0 

 begin

    rollback transaction

    --set @Return=1

    return -1

 end

 else

 begin

    commit transaction

 end