MxWeiXinPF.DAL/user_groups.cs

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using System;
using System.Data;
using System.Text;
using System.Collections.Generic;
using System.Data.SqlClient;
using MxWeiXinPF.DBUtility;
using MxWeiXinPF.Common;

namespace MxWeiXinPF.DAL
{
    /// <summary>
    ///  数据访问类:user_groups
    /// </summary>
    public partial class user_groups
    {
        private string databaseprefix; //数据库表名前缀
        public user_groups(string _databaseprefix)
        {
            databaseprefix = _databaseprefix;
        }

        #region 基本方法
        /// <summary>
        /// 是否存在该记录
        /// </summary>
        public bool Exists(int id)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select count(1) from " + databaseprefix + "user_groups");
            strSql.Append(" where id=@id");
            SqlParameter[] parameters = {
					new SqlParameter("@id", SqlDbType.Int,4)};
            parameters[0].Value = id;

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

        /// <summary>
        /// 返回标题名称
        /// </summary>
        public string GetTitle(int id)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select top 1 title from " + databaseprefix + "user_groups");
            strSql.Append(" where id=" + id);
            string title = Convert.ToString(DbHelperSQL.GetSingle(strSql.ToString()));
            if (string.IsNullOrEmpty(title))
            {
                return "";
            }
            return title;
        }

        /// <summary>
        /// 增加一条数据
        /// </summary>
        public int Add(Model.user_groups model)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("insert into " + databaseprefix + "user_groups(");