using System;
using System.Data;
using System.Text;
using System.Data.SqlClient;

namespace Mtxfw.DAL
{
	/// <summary>
	/// 数据访问类:city
	/// </summary>
    public partial class user_zzjf : Mtxfw.Utility.Myabstract
    {
        public user_zzjf()
            : base("user_zzjf")
        { }

       
        /// <summary>
        /// 更新一条数据
        /// </summary>
        public bool Updatecount(Decimal zznum, Decimal zzjg, Decimal zzjf, int gtype)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("update user_zzjf set ");
            strSql.Append("zznum=@zznum,");
            strSql.Append("zzjg=@zzjg,");
            strSql.Append("zzjf=@zzjf");
            strSql.Append(" where gtype=@gtype");
            SqlParameter[] parameters = {
                     new SqlParameter("@zznum", SqlDbType.Decimal),
					 new SqlParameter("@zzjg", SqlDbType.Decimal),
                     new SqlParameter("@zzjf", SqlDbType.Decimal),
                     new SqlParameter("@gtype", SqlDbType.Int)};
            parameters[0].Value = zznum;
            parameters[1].Value = zzjg;
            parameters[2].Value = zzjf;
            parameters[3].Value = gtype;
            int rows = Mtxfw.Utility.SqlDbHelper_U.ExecuteCmd(strSql.ToString(), parameters);
            if (rows > 0)
            {
                return true;
            }
            else
            {
                return false;
            }
        }
        
        

        /// <summary>
        /// 获得数据列表
        /// </summary>
        public DataSet GetList(string strWhere)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select * ");
            strSql.Append(" FROM user_zzjf a");
            if (strWhere.Trim() != "")
            {
                strSql.Append(" where " + strWhere);
            }
            return Mtxfw.Utility.SqlDbHelper_U.GetDataSet(strSql.ToString());
        }
        /// <summary>
        /// 获得增值价格
        /// </summary>
        public Double GetZZJG(int gtype)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select top 1 zzjg");
            strSql.Append(" FROM user_zzjf a where gtype=" + gtype);
            Double ZZJG = 0.00;
            DataSet ds = Mtxfw.Utility.SqlDbHelper_U.GetDataSet(strSql.ToString());
            if (ds.Tables[0].Rows.Count > 0)
            {
                ZZJG = Convert.ToDouble(ds.Tables[0].Rows[0]["zzjg"]);
            }
            ds.Clear();
            return ZZJG;
        }

    }
}