DAL/Attendance.cs

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

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


		/// <summary>
		/// 是否存在该记录
		/// </summary>
		public bool Exists(int AID)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select count(1) from Attendance");
			strSql.Append(" where AID="+AID+" ");
			return DbHelperSQL.Exists(strSql.ToString());
		}

		/// <summary>
		/// 增加一条数据
		/// </summary>
		public int Add(CAS.Model.Attendance model)
		{
			StringBuilder strSql=new StringBuilder();
			StringBuilder strSql1=new StringBuilder();
			StringBuilder strSql2=new StringBuilder();
			if (model.CID != null)
			{
				strSql1.Append("CID,");
				strSql2.Append(""+model.CID+",");
			}
			if (model.PID != null)
			{
				strSql1.Append("PID,");
				strSql2.Append(""+model.PID+",");
			}
			if (model.ATime != null)
			{
				strSql1.Append("ATime,");
				strSql2.Append("'"+model.ATime+"',");
			}
			if (model.Flag != null)