lpmessageda.cs

实现房产销售的房屋管理 客户管理 并且在客户管理中实现了对预定客户和已购房客户的查询和修改

using System;
using System.Collections;
using System.Data;
using System.Data.SqlClient;
using HouseBE;

namespace HouseDA
{
	/// <summary>
	/// LPMessageDA 的摘要说明。
	/// </summary>
	public class LPMessageDA:CommonDA
	{
		private SqlConnection _con;
		private ConDA _cons;
		private SqlCommand _cmd;
		private SqlDataAdapter _adapter;
		private DataSet _ds;
		private HouseBE.LPMessage _lpmessage;
		private ArrayList list=null;

		public HouseBE.LPMessage lpmessage
		{
			set
			{
			  this._lpmessage=value;
			}
			get
			{
			  return this._lpmessage;
			}
		}
		public LPMessageDA()
		{
			//
			// TODO: 在此处添加构造函数逻辑
			//
			this._cons=new ConDA();
			this._con=this._cons._con;
		}
		#region CommonDA 成员

		public DataSet select()
		{
			// TODO:  添加 LPMessageDA.select 实现
			try
			{
				this._adapter=new SqlDataAdapter("select * from LPMessage",this._con);
				this._ds=new DataSet();
				this._adapter.Fill(this._ds,"LPMessage");
			}
			catch(Exception ex)
			{
				Console.WriteLine(ex.Message);
				throw ex;
			}

			return this._ds;
		}

		public void insert()
		{
			// TODO:  添加 LPMessageDA.insert 实现
			this._cmd=this._con.CreateCommand();
			this._cmd.CommandText="insert into LPMessage values(@LPName,@CellCount,@FloorCount,@HouseCount,@Opendatetime,@Remark) ";
			this._cmd.Parameters.Add("@LPName",this._lpmessage.LPName);
			this._cmd.Parameters.Add("@CellCount",this._lpmessage.CellCount);
			this._cmd.Parameters.Add("@FloorCount",this._lpmessage.FloorCount);
			this._cmd.Parameters.Add("@HouseCount",this._lpmessage.HouseCount);
			this._cmd.Parameters.Add("@Opendatetime",this._lpmessage.Opendatetime);
			this._cmd.Parameters.Add("@Remark",this._lpmessage.Remark);

			try
			{
			    this._con.Open();
				 this._cmd.ExecuteNonQuery();
			}
			catch(Exception ex)
			{
			  Console.WriteLine(ex.Message);
			  throw ex;
			}
		}

		public void update()
		{
			// TODO:  添加 LPMessageDA.update 实现
			this._cmd=this._con.CreateCommand();
			this._cmd.CommandText="update LPMessage set LPName=@LPName,CellCount=@CellCount,FloorCount=@FloorCount,HouseCount=@HouseCount,Opendatetime=@Opendatetime,Remark=@Remark where LPID=@LPID";
			this._cmd.Parameters.Add("@LPName",this._lpmessage.LPName);
			this._cmd.Parameters.Add("@CellCount",this._lpmessage.CellCount);
			this._cmd.Parameters.Add("@FloorCount",this._lpmessage.FloorCount);
			this._cmd.Parameters.Add("@HouseCount",this._lpmessage.HouseCount);
			this._cmd.Parameters.Add("@Opendatetime",this._lpmessage.Opendatetime);
			this._cmd.Parameters.Add("@Remark",this._lpmessage.Remark);
			this._cmd.Parameters.Add("@LPID",this._lpmessage.LPID);

			try
			{
				this._con.Open();
				this._cmd.ExecuteNonQuery();
			}
			catch(Exception ex)
			{
				Console.WriteLine(ex.Message);
				throw ex;  
			}
			finally
			{
			  this._con.Close();
			}
		}
       //调用存储过程 
		public void delete()
		{
			// TODO:  添加 LPMessageDA.delete 实现
			this._cmd=this._con.CreateCommand();
			this._cmd.CommandType=CommandType.StoredProcedure;
			this._cmd.CommandText="proc_LPMessage";
			this._cmd.Parameters.Add("@LPID",this._lpmessage.LPID);
			try
			{
				this._con.Open();
				this._cmd.ExecuteNonQuery();
			}
			catch(Exception ex)
			{
				Console.WriteLine(ex.Message);
				throw ex;
			}
			finally
			{
				this._con.Close();
			}
		}

		#endregion
        //查询ID的方法
		public DataSet selectByTag(string tag)
		{
			this._adapter=new SqlDataAdapter("select HouseID,HouseNO from House where LPID="+tag+" ",this._con);
			this._ds=new DataSet();
			this._adapter.Fill(this._ds,"House");
			return this._ds;
		}
		//查询出所有的楼房信息
		public ArrayList GetTotal()
		{
			this.list=new ArrayList();
			try
			{
                this._con.Open();
				string str="select * from LPMessage";
                SqlCommand cmd=this._con.CreateCommand();
				cmd.CommandText=str;
				SqlDataReader reads=cmd.ExecuteReader();

				while(reads.Read())
				{
					this._lpmessage=new LPMessage();
					this._lpmessage.LPID=Convert.ToInt32(reads.GetValue(0).ToString());
					this._lpmessage.LPName=reads.GetValue(1).ToString();
					this._lpmessage.CellCount=Convert.ToInt32(reads.GetValue(2).ToString());
					this._lpmessage.FloorCount=Convert.ToInt32(reads.GetValue(3).ToString());
					this._lpmessage.HouseCount=Convert.ToInt32(reads.GetValue(4).ToString());
					this._lpmessage.Opendatetime=reads.GetValue(5).ToString();
					this._lpmessage.Remark=reads.GetValue(6).ToString();

					this.list.Add(this._lpmessage);
				}
				return this.list;

			}
			catch(Exception ex)
			{
				Console.WriteLine(ex.Message);
				throw ex;
			}
			finally
			{
				this._con.Close();
			}
		}
	}
}