AccessDAL/Class.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 Class : IClass
    {
        private ConfigInfo configInfo = new ConfigInfo();
        private string tableName = "Ljh_Class";

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

        #region IClass 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(ClassInfo model)
        {
            if (model == null)
            {
                return -1;
            }
            string commandText = "insert into " + this.tableName + "(ChannelID,ClassName,ParentID,ParentPath,Child,OrderID,ClassDir,ShowOnTop,Disabled,NextID,Depth)  values(@ChannelID,@ClassName,@ParentID,@ParentPath,@Child,@OrderID,@ClassDir,@ShowOnTop,@Disabled,@NextID,@Depth) ";
            OleDbParameter[] commandParameters = {

				Database.MakeInParam("@ChannelID", OleDbType.Integer,4,model.ChannelID),
				Database.MakeInParam("@ClassName", OleDbType.VarWChar,50,model.ClassName),
				Database.MakeInParam("@ParentID", OleDbType.Integer,4,model.ParentID),
				Database.MakeInParam("@ParentPath", OleDbType.VarWChar,50,model.ParentPath),
				Database.MakeInParam("@Child", OleDbType.Integer,4,model.Child),
				Database.MakeInParam("@OrderID", OleDbType.Integer,4,model.OrderID),
				Database.MakeInParam("@ClassDir", OleDbType.VarWChar,50,model.ClassDir),
				Database.MakeInParam("@ShowOnTop", OleDbType.UnsignedTinyInt,1,model.ShowOnTop),
				Database.MakeInParam("@Disabled", OleDbType.UnsignedTinyInt,1,model.Disabled),
				Database.MakeInParam("@Depth", OleDbType.Integer,4,model.Depth),
				Database.MakeInParam("@NextID", OleDbType.Integer,4,model.NextID)

         };

            int intIdentity = -1;
            try
            {
                Database.ExecuteNonQuery(CommandType.Text, out intIdentity, commandText, commandParameters);
            }
            catch (Exception exception)
            {
                throw exception;
            }