SQLServerDAL/pxiaoxi.cs

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using System;
using System.Data;
using System.Text;
using System.Data.SqlClient;
using CAI.SHOP.IDAL;
using Maticsoft.DBUtility;//请先添加引用
namespace CAI.SHOP.SQLServerDAL
{
	/// <summary>
	/// 数据访问类pxiaoxi。
	/// </summary>
	public class pxiaoxi:Ipxiaoxi
	{
		public pxiaoxi()
		{}
		#region  成员方法

		/// <summary>
		/// 得到最大ID
		/// </summary>
		public int GetMaxId()
		{
		return DbHelperSQL.GetMaxID("pid", "pxiaoxi"); 
		}

		/// <summary>
		/// 是否存在该记录
		/// </summary>
		public bool Exists(int pid)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select count(1) from pxiaoxi");
			strSql.Append(" where pid=@pid ");
			SqlParameter[] parameters = {
					new SqlParameter("@pid", SqlDbType.Int,4)};
			parameters[0].Value = pid;

			return DbHelperSQL.Exists(strSql.ToString(),parameters);
		}

        public int dscount(string username)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select count(*) from pxiaoxi where userid='" + username + "'and pfeel=0");
           
            return DbHelperSQL.ExecuteSqlScarlar(strSql.ToString());
        
        
        }

		/// <summary>
		/// 增加一条数据
		/// </summary>
		public int Add(CAI.SHOP.Model.pxiaoxi model)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("insert into pxiaoxi(");
			strSql.Append("pcontent,pfeel,userid)");
			strSql.Append(" values (");
			strSql.Append("@pcontent,@pfeel,@userid)");