OTS/OTSExtremum/Data/ParticleData.cs

using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace OTSExtremum.Data
{
    public class ParticleData
    {
        private SqlHelper dbHelper;

        public ParticleData(string path)
        {
            dbHelper = new SqlHelper("data source='" + path + "\\FIELD_FILES\\Inclusion.db'");
        }
        /// <summary>
        /// 获取ParticleList
        /// </summary>
        /// <param name="model">Feature</param>
        /// <returns></returns>
        public DataTable GetParticleListAndEm()
        {

            string sqlp = @"select *,
(select group_concat(name||'-'||Percentage,';')  
from ElementChemistry where XRayId	=INcAData.XRayId		and fieldid=INcAData.fieldid	) as Element
from 	INcAData where xrayid>-1";

            DataTable DT = dbHelper.ExecuteDataTable(sqlp, null);
            // List<Model.Particle> listp = dbHelper.TableToList<Model.Particle>(DT);
            return DT;

        }
    }
}