App_Code/BLL/News.cs

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using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.OleDb;
using SystemDAL;
using SystemModel;
using Wuqi.Webdiyer;
using System.Collections.Generic;

/// <summary>
/// NewsBll 的摘要说明
/// </summary>
/// 
namespace SystemNewsBll
{
    public class NewsBll
    {
        public NewsBll()
        {
            //
            // TODO: 在此处添加构造函数逻辑
            //
        }
        #region 类别新闻
        /// <summary>
        /// 插入方法 类别
        /// </summary>
        /// <param name="M"></param>
        /// <returns></returns>
        public static int InsertDataclass(string title,string t2)
        {
            string OleDb = "INSERT INTO newsclass(title,title_en) VALUES(@title,@title_en)";
            try
            {
                OleDbParameter[] OleDbParameter =
            {
                new OleDbParameter("@title",title),
                new OleDbParameter("@title_en",t2)
               
            };
                DAL dal = new DAL();
                return dal.OleExecuteNonQuery(OleDb, OleDbParameter);
            }
            catch (Exception E)
            {
                throw E;
            }
        }
        //查
        public static DataSet checkclass(string t1,string t2)
        {
            string sqlstr = "select *  FROM newsclass where title=@title and title_en=@title_en";
            try
            {