AccessDAL/AboutUs.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.SQLServerDAL
{
    public class AboutUs : IAboutUs
    {

        private ConfigInfo configInfo = new ConfigInfo();
        private string tableName = "Ljh_AboutUs";

        public AboutUs()
        {
            if (!string.IsNullOrEmpty(configInfo.TablePrefix.Trim()))
                tableName = configInfo.TablePrefix + "AboutUs";
        }

        #region IAboutUs member


        /// <summary>
        /// add  
        /// </summary>
        /// <param name="model"></param>
        /// <returns>返回ID, 如果发生错误则返回-1</returns>
        public int Add(AboutUsInfo model)
        {
            int result;
            if (model == null)
            {
                return -1;
            }
            string sql = @"insert into " + tableName + "(Title,Content,OrderID) " +
                " values(@Title,@Content,@OrderID)" + " ;SELECT @@IDENTITY  ";

            SqlParameter[] prams = {
                                        Database.MakeInParam("@Title", OleDbType.VarWChar,	0	,model.Title),
                                        Database.MakeInParam("@Content", OleDbType.VarWChar,	50	,model.Content),
                                        Database.MakeInParam("@OrderID", OleDbType.Integer,	4	,model.OrderID)
								   };


            try
            {

                result = (Convert.ToInt32(Database.ExecuteDataSet(sql, prams).Tables[0].Rows[0][0]));
            }
            catch
            {
                result = -1;
            }
            return result;
        }

        /// <summary>
        /// 删除