dal class

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


namespace DalLibrary
{
    public class DalPhone
    {
        /// <summary>
        /// get details of all phones
        /// </summary>
        /// <returns></returns>
        public DataSet GetAllPhone()
        {
            using(SqlConnection conn=DBConn.GetDbConnection())
            {
                try
                {
                    SqlCommand cmd = new SqlCommand("usp_GetPhone", conn);
                    cmd.CommandType = CommandType.StoredProcedure;
                    SqlDataAdapter adp = new SqlDataAdapter(cmd);
                    DataSet dtst = new DataSet();
                    adp.Fill(dtst);
                    return dtst;
                }
                catch (Exception)
                {
                    throw;
                }
            }
        }

        /// <summary>
        /// get a phone details where by phone Id
        /// </summary>
        /// <param name="data"></param>
        /// <returns></returns>
        public DataSet GetPhoneById(ArrayList data)
        {
            using(SqlConnection conn=DBConn.GetDbConnection())
            {
                try
                {
                    SqlCommand cmd = new SqlCommand("sp", conn);
                    cmd.CommandType = CommandType.StoredProcedure;
                    cmd.Parameters.AddWithValue("@inId",data[0]);
                    SqlDataAdapter adp = new SqlDataAdapter(cmd);
                    DataSet dtst = new DataSet();
                    adp.Fill(dtst);
                    return dtst;
                }
                catch (Exception)
                {
                    throw;
                }
             
            }
        }

        /// <summary>
        /// insert a phone detail
        /// </summary>
        /// <param name="arrlst"></param>
        /// <returns></returns>
        public int SetPhoneData(ArrayList arrlst)
        {
            using(SqlConnection conn=DBConn.GetDbConnection())
            {
                try
                {
                    SqlCommand cmd = new SqlCommand("sp",conn);
                    cmd.CommandType = CommandType.StoredProcedure;
                    cmd.Parameters.AddWithValue("@nvcName",arrlst[0]);
                    cmd.Parameters.AddWithValue("@inAge", arrlst[1]);

                    return cmd.ExecuteNonQuery();
                }
                catch (Exception)
                {
                    throw;
                }
            }
        }

        /// <summary>
        ///
        /// </summary>
        /// <returns></returns>
        public void SetPhoneData()
        {
            //throw new NotImplementedException();
            try
            {

            }
            catch (Exception)
            {
               
                throw;
            }
        }
    }
}