Data_Control/Sbgl_Control.cs

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using System;
using System.Collections.Generic;
using System.Text;
using System.Data;
using System.Data.SqlClient;
using Data_Access;

namespace Data_Control
{
    public  class Sbgl_Control:EquipmentDBConnection 
    {
        /// <summary>
        /// 从指定数据表中删除等于字段“ID”指定值的记录`
        /// </summary>
        /// <param name="table">数据表名称</param>
        /// <param name="id">指定值</param>
        public void Delid(string table, int id)
        {
            using (SqlConnection conn = this.GetEquipmentConnStr())
            {
                string SQL = "delete from " + table + " where ServiceID=" + id;
                conn.Open();
                SqlCommand cmd = new SqlCommand(SQL, conn);
                cmd.ExecuteNonQuery();
                conn.Close();
            }
        }
        /// <summary>
        /// 从指定数据表中删除等于指定字段且等于指定值的记录
        /// </summary>
        /// <param name="table">数据表名称</param>
        /// <param name="tj">待删除字段名称</param>
        /// <param name="id">指定值</param>
        public void Delid(string table, string tj, int id)
        {
            using (SqlConnection conn = this.GetEquipmentConnStr())
            {
                string SQL = "delete from " + table + " where " + tj + "=" + id;
                conn.Open();
                SqlCommand cmd = new SqlCommand(SQL, conn);
                cmd.ExecuteNonQuery();
                conn.Close();
            }
        }
        /// <summary>
        /// 获取设备类别列表
        /// </summary>
        /// <returns>包含所有设备类别信息的SqlDataReader</returns>
        public DataSet  LbList()
        {
            using (SqlConnection conn = this.GetEquipmentConnStr())
            {
                string sqlstr="select b.EquiSortID as id,b.EquiSortName as bmnr,a.EquiStyleName as dwmc,a.EquiStyleID as zlid " +
                    "from EquiStyle a,EquiSort b where a.EquiStyleID=b.EquiStyleID";
                conn.Open();              
                SqlDataAdapter da = new SqlDataAdapter(sqlstr, conn);
                DataSet ds = new DataSet();
                da.Fill(ds);
                return ds;
            }