AccessDAL/City.cs

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using System;
using System.Collections.Generic;
using System.Data;
using System.Data.OleDb;
using MyShop.IDAL;
using MyShop.Model;

namespace MyShop.AccessDAL
{
     public class City:ICity
    {
        private ConfigInfo configInfo = new ConfigInfo();
        private string tableName = "Ljh_City";

        public City()
        {
            if (!string.IsNullOrEmpty(configInfo.TablePrefix.Trim()))
                tableName = configInfo.TablePrefix + "City";
        }
        #region ICity member

        /// <summary>
        /// 添加
        /// </summary>
        /// <param name="model"></param>
        /// <returns>返回ID, 如果发生错误则返回-1</returns>
        public int Add(CityInfo model)
        {
            if (model == null)
            {
                return -1;
            }
            string commandText = "insert into " + this.tableName + "(country,province,city,area,postCode,areaCode) values(@country,@province,@city,@area,@postCode,@areaCode)   ";
            OleDbParameter[] commandParameters = {
				Database.MakeInParam("@Country", OleDbType.VarWChar,20,model.Country),
				Database.MakeInParam("@Province", OleDbType.VarWChar,25,model.Province),
				Database.MakeInParam("@City", OleDbType.VarWChar,30,model.City),
				Database.MakeInParam("@Area", OleDbType.VarWChar,25,model.Area),
				Database.MakeInParam("@PostCode", OleDbType.VarWChar,15,model.PostCode),
				Database.MakeInParam("@AreaCode", OleDbType.VarWChar,8,model.AreaCode)
                                                           };
            int intIdentity = -1;
            try
            {
                Database.ExecuteNonQuery(CommandType.Text, out intIdentity, commandText, commandParameters);
            }
            catch (Exception exception)
            {
                throw exception;
            }
            return intIdentity;
        }




        /// <summary>
        /// 删除
        /// </summary>
        /// <param name="filter">where后面的条件语句，不加where</param>