DAL/DB_Order.cs

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using System;
using System.Data;
using System.Text;
using System.Data.SqlClient;
using Maticsoft.DBUtility;
namespace Laundry.DAL
{
	/// <summary>
	/// 数据访问类:DB_Order
	/// </summary>
	public partial class DB_Order
	{
		public DB_Order()
		{}
		#region  Method

		/// <summary>
		/// 得到最大ID
		/// </summary>
		public int GetMaxId()
		{
		return DbHelperSQL.GetMaxID("ID", "DB_Order"); 
		}

		/// <summary>
		/// 是否存在该记录
		/// </summary>
		public bool Exists(int ID)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select count(1) from DB_Order");
			strSql.Append(" where ID=@ID");
			SqlParameter[] parameters = {
					new SqlParameter("@ID", SqlDbType.Int,4)
};
			parameters[0].Value = ID;

			return DbHelperSQL.Exists(strSql.ToString(),parameters);
		}


		/// <summary>
		/// 增加一条数据
		/// </summary>
		public int Add(Laundry.Model.DB_Order model)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("insert into DB_Order(");
            strSql.Append("StrCode,CreateDate,People,Phone,Remark,Status)");
			strSql.Append(" values (");
            strSql.Append("@StrCode,@CreateDate,@People,@Phone,@Remark,@Status)");
			strSql.Append(";select @@IDENTITY");
			SqlParameter[] parameters = {
					new SqlParameter("@StrCode", SqlDbType.VarChar,50),
					new SqlParameter("@CreateDate", SqlDbType.DateTime),
					new SqlParameter("@People", SqlDbType.VarChar,50),
					new SqlParameter("@Phone", SqlDbType.VarChar,50),
					new SqlParameter("@Remark", SqlDbType.VarChar,500),
                     new SqlParameter("@Status", SqlDbType.Int)  };
			parameters[0].Value = model.StrCode;