invoice.cs

来自「MIS系统开发与应用配套的源代码」· CS 代码 · 共 150 行

using System;
using System.Data;
using System.Data.SqlClient;
using SQLHelper;

namespace MisSale.Components
{
	/// <summary>
	/// Invoice 的摘要说明。
	/// </summary>
	public class Invoice
	{
		public SqlDataReader GetInvoices()
		{
			///定义类SQLHelper
			SQLHelper.SQLHelper sqlHelper = new SQLHelper.SQLHelper();

			///定义保存从数据库获取的结果的DataReader
			SqlDataReader dr = null;

			try
			{
				///执行存储过程
				sqlHelper.RunProc("Pr_GetInvoices",out dr);
			}
			catch(Exception ex)
			{
				///抛出执行数据库异常
				SystemError.SystemLog(ex.Message);
				throw new Exception(ex.Message,ex);
			}			

			///返回从数据库获取的结果
			return(dr);
		}

		public SqlDataReader GetSingleInvoice(int nInvoiceID)
		{
			///定义类SQLHelper
			SQLHelper.SQLHelper sqlHelper = new SQLHelper.SQLHelper();

			///定义保存从数据库获取的结果的DataReader
			SqlDataReader dr = null;

			///创建访问数据库的参数			
			SqlParameter[] paramList = {
										   sqlHelper.CreateInParam("@InvoiceID",SqlDbType.Int,4,nInvoiceID)
									   };
			
			try
			{
				///执行存储过程
				sqlHelper.RunProc("Pr_GetSingleInvoice",paramList,out dr);
			}
			catch(Exception ex)
			{
				///抛出执行数据库异常
				SystemError.SystemLog(ex.Message);
				throw new Exception(ex.Message,ex);
			}			

			///返回从数据库获取的结果
			return(dr);
		}

		public int AddInvoice(int nCustomerID,string sTitle,int nTypeID,Decimal dInvoiceSum,
			DateTime dInvoiceDate,int nFlag,string sRemark)
		{
			///定义类SQLHelper
			SQLHelper.SQLHelper sqlHelper = new SQLHelper.SQLHelper();

			///创建访问数据库的参数			
			SqlParameter[] paramList = {
										   sqlHelper.CreateInParam("@CustomerID",SqlDbType.Int,4,nCustomerID),
										   sqlHelper.CreateInParam("@Title",SqlDbType.VarChar,200,sTitle),
										   sqlHelper.CreateInParam("@TypeID",SqlDbType.Int,4,nTypeID),
										   sqlHelper.CreateInParam("@InvoiceSum",SqlDbType.Money,8,dInvoiceSum),
										   sqlHelper.CreateInParam("@InvoiceDate",SqlDbType.DateTime,8,dInvoiceDate),
										   sqlHelper.CreateInParam("@Flag",SqlDbType.Int,4,nFlag),
										   sqlHelper.CreateInParam("@Remark",SqlDbType.VarChar,8000,sRemark)
									   };
			
			try
			{
				///执行存储过程
				return(sqlHelper.RunProc("Pr_AddInvoice",paramList));
			}
			catch(Exception ex)
			{
				///抛出执行数据库异常
				SystemError.SystemLog(ex.Message);
				throw new Exception(ex.Message,ex);
			}			
		}

		public void UpdateInvoice(int nInvoiceID,int nCustomerID,string sTitle,int nTypeID,Decimal dInvoiceSum,
			DateTime dInvoiceDate,int nFlag,string sRemark)
		{
			///定义类SQLHelper
			SQLHelper.SQLHelper sqlHelper = new SQLHelper.SQLHelper();

			///创建访问数据库的参数			
			SqlParameter[] paramList = {
										   sqlHelper.CreateInParam("@InvoiceID",SqlDbType.Int,4,nInvoiceID),
										   sqlHelper.CreateInParam("@CustomerID",SqlDbType.Int,4,nCustomerID),
										   sqlHelper.CreateInParam("@Title",SqlDbType.VarChar,200,sTitle),
										   sqlHelper.CreateInParam("@TypeID",SqlDbType.Int,4,nTypeID),
										   sqlHelper.CreateInParam("@InvoiceSum",SqlDbType.Money,8,dInvoiceSum),
										   sqlHelper.CreateInParam("@InvoiceDate",SqlDbType.DateTime,8,dInvoiceDate),
										   sqlHelper.CreateInParam("@Flag",SqlDbType.Int,4,nFlag),
										   sqlHelper.CreateInParam("@Remark",SqlDbType.VarChar,8000,sRemark)
									   };			
			try
			{
				///执行存储过程
				sqlHelper.RunProc("Pr_UpdateInvoice",paramList);
			}
			catch(Exception ex)
			{
				///抛出执行数据库异常
				SystemError.SystemLog(ex.Message);
				throw new Exception(ex.Message,ex);
			}			
		}

		public void DeleteInvoice(int nInvoiceID)
		{
			///定义类SQLHelper
			SQLHelper.SQLHelper sqlHelper = new SQLHelper.SQLHelper();

			///创建访问数据库的参数			
			SqlParameter[] paramList = {
										   sqlHelper.CreateInParam("@InvoiceID",SqlDbType.Int,4,nInvoiceID)
									   };
			
			try
			{
				///执行存储过程
				sqlHelper.RunProc("Pr_DeleteInvoice",paramList);
			}
			catch(Exception ex)
			{
				///抛出执行数据库异常
				SystemError.SystemLog(ex.Message);
				throw new Exception(ex.Message,ex);
			}			
		}
	}
}