Class/Citys.cs

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using System;
using System.Data.SqlClient;
using System.Data;
using AirQuery.entity;
//该源码下载自www.51aspx.com(５１ａｓｐｘ．ｃｏｍ)

namespace AirQuery.Class
{

	/// <summary>
	/// Citys 的摘要说明。
	/// </summary>
	public class Citys
	{
		public Citys()
		{
			//
			// TODO: 在此处添加构造函数逻辑
			//
		}

		public CityData GetAllCity()
		{
			SqlConnection sqlConnection = new SqlConnection();
			sqlConnection.ConnectionString = System.Configuration.ConfigurationSettings.AppSettings["ConnectionString"];//"server=localhost;uid=sa;pwd=;database=AirQuery;";

			SqlDataAdapter sqlDataAdapter = new SqlDataAdapter();

			SqlCommand sqlCommand = new SqlCommand();
			sqlDataAdapter.SelectCommand = sqlCommand;
			sqlCommand.CommandText = "SelectCity";
			sqlCommand.CommandType = CommandType.StoredProcedure;
			sqlCommand.Connection = sqlConnection;

			CityData city = new CityData();
			try
			{
				sqlConnection.Open();
				sqlDataAdapter.Fill(city.City);
			}
			catch(Exception e)
			{
				throw new ApplicationException("数据库访问错误。", e);
			}
			finally
			{
				sqlConnection.Close();
			}

			return city;
		}
	}
}