region.cs.svn-base

走吧旅游网站前后台源代码

using System;
using System.Data;
using System.Text;
using System.Data.SqlClient;
using Maticsoft.DBUtility;//请先添加引用
namespace Maticsoft.DAL
{
	/// <summary>
	/// 数据访问类Region。
	/// </summary>
	public class Region
	{
		public Region()
		{}
		#region  成员方法

		/// <summary>
		/// 是否存在该记录
		/// </summary>
		public bool Exists(string nvrRegionID)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select count(1) from Region");
			strSql.Append(" where nvrRegionID=@nvrRegionID ");
			SqlParameter[] parameters = {
					new SqlParameter("@nvrRegionID", SqlDbType.NVarChar,50)};
			parameters[0].Value = nvrRegionID;

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


		/// <summary>
		/// 增加一条数据
		/// </summary>
		public void Add(Maticsoft.Model.Region model)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("insert into Region(");
			strSql.Append("nvrRegionID,nvrRegionName,nvrSpellCode,nvtCityID,nvrRegionType)");
			strSql.Append(" values (");
			strSql.Append("@nvrRegionID,@nvrRegionName,@nvrSpellCode,@nvtCityID,@nvrRegionType)");
			SqlParameter[] parameters = {
					new SqlParameter("@nvrRegionID", SqlDbType.NVarChar,20),
					new SqlParameter("@nvrRegionName", SqlDbType.NVarChar,50),
					new SqlParameter("@nvrSpellCode", SqlDbType.NVarChar,30),
					new SqlParameter("@nvtCityID", SqlDbType.NVarChar,12),
					new SqlParameter("@nvrRegionType", SqlDbType.NVarChar,10)};
			parameters[0].Value = model.nvrRegionID;
			parameters[1].Value = model.nvrRegionName;
			parameters[2].Value = model.nvrSpellCode;
			parameters[3].Value = model.nvtCityID;
			parameters[4].Value = model.nvrRegionType;

			DbHelperSQL.ExecuteSql(strSql.ToString(),parameters);
		}
		/// <summary>
		/// 更新一条数据
		/// </summary>
		public void Update(Maticsoft.Model.Region model)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("update Region set ");
			strSql.Append("nvrRegionName=@nvrRegionName,");
			strSql.Append("nvrSpellCode=@nvrSpellCode,");
			strSql.Append("nvtCityID=@nvtCityID,");
			strSql.Append("nvrRegionType=@nvrRegionType");
			strSql.Append(" where nvrRegionID=@nvrRegionID ");
			SqlParameter[] parameters = {
					new SqlParameter("@nvrRegionID", SqlDbType.NVarChar,20),
					new SqlParameter("@nvrRegionName", SqlDbType.NVarChar,50),
					new SqlParameter("@nvrSpellCode", SqlDbType.NVarChar,30),
					new SqlParameter("@nvtCityID", SqlDbType.NVarChar,12),
					new SqlParameter("@nvrRegionType", SqlDbType.NVarChar,10)};
			parameters[0].Value = model.nvrRegionID;
			parameters[1].Value = model.nvrRegionName;
			parameters[2].Value = model.nvrSpellCode;
			parameters[3].Value = model.nvtCityID;
			parameters[4].Value = model.nvrRegionType;

			DbHelperSQL.ExecuteSql(strSql.ToString(),parameters);
		}

		/// <summary>
		/// 删除一条数据
		/// </summary>
		public void Delete(string nvrRegionID)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("delete Region ");
			strSql.Append(" where nvrRegionID=@nvrRegionID ");
			SqlParameter[] parameters = {
					new SqlParameter("@nvrRegionID", SqlDbType.NVarChar,50)};
			parameters[0].Value = nvrRegionID;

			DbHelperSQL.ExecuteSql(strSql.ToString(),parameters);
		}


		/// <summary>
		/// 得到一个对象实体
		/// </summary>
		public Maticsoft.Model.Region GetModel(string nvrRegionID)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select nvrRegionID,nvrRegionName,nvrSpellCode,nvtCityID,nvrRegionType from Region ");
			strSql.Append(" where nvrRegionID=@nvrRegionID ");
			SqlParameter[] parameters = {
					new SqlParameter("@nvrRegionID", SqlDbType.NVarChar,50)};
			parameters[0].Value = nvrRegionID;

			Maticsoft.Model.Region model=new Maticsoft.Model.Region();
			DataSet ds=DbHelperSQL.Query(strSql.ToString(),parameters);
			if(ds.Tables[0].Rows.Count>0)
			{
				model.nvrRegionID=ds.Tables[0].Rows[0]["nvrRegionID"].ToString();
				model.nvrRegionName=ds.Tables[0].Rows[0]["nvrRegionName"].ToString();
				model.nvrSpellCode=ds.Tables[0].Rows[0]["nvrSpellCode"].ToString();
				model.nvtCityID=ds.Tables[0].Rows[0]["nvtCityID"].ToString();
				model.nvrRegionType=ds.Tables[0].Rows[0]["nvrRegionType"].ToString();
				return model;
			}
			else
			{
			return null;
			}
		}

		/// <summary>
		/// 获得数据列表
		/// </summary>
		public DataSet GetList(string strWhere)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select nvrRegionID,nvrRegionName,nvrSpellCode,nvtCityID,nvrRegionType ");
			strSql.Append(" FROM Region ");
			if(strWhere.Trim()!="")
			{
				strSql.Append(" where "+strWhere);
			}
			return DbHelperSQL.Query(strSql.ToString());
		}

		/*
		/// <summary>
		/// 分页获取数据列表
		/// </summary>
		public DataSet GetList(int PageSize,int PageIndex,string strWhere)
		{
			SqlParameter[] parameters = {
					new SqlParameter("@tblName", SqlDbType.VarChar, 255),
					new SqlParameter("@fldName", SqlDbType.VarChar, 255),
					new SqlParameter("@PageSize", SqlDbType.Int),
					new SqlParameter("@PageIndex", SqlDbType.Int),
					new SqlParameter("@IsReCount", SqlDbType.Bit),
					new SqlParameter("@OrderType", SqlDbType.Bit),
					new SqlParameter("@strWhere", SqlDbType.VarChar,1000),
					};
			parameters[0].Value = "Region";
			parameters[1].Value = "ID";
			parameters[2].Value = PageSize;
			parameters[3].Value = PageIndex;
			parameters[4].Value = 0;
			parameters[5].Value = 0;
			parameters[6].Value = strWhere;	
			return DbHelperSQL.RunProcedure("UP_GetRecordByPage",parameters,"ds");
		}*/

		#endregion  成员方法
	}
}