wx.SqlServer/info.cs

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

namespace wx.SqlServer
{
    public class info:DbBase
    {
        public DataSet SelectAllphoto()
        {
            string sql = "select * from photo";
            DataSet ds = DbHelper.ExecuteDataset(CommandType.Text, sql);
            return ds;
        }
        public DataSet SelectAllmessage()
        {
            string sql = "select * from message";
            DataSet ds = DbHelper.ExecuteDataset(CommandType.Text, sql);
            return ds;
        }

        public DataSet SelectMessage(int id)
        {
            string sql = "update message set is_read=1 where id=" + id;
            SqlParameter[] pars = 
			{
			};
            if (DbHelper.ExecuteNonQuery(CommandType.Text, sql, pars) > 0)
            {
                sql = "select * from messageid=" + id;
                DataSet ds = DbHelper.ExecuteDataset(CommandType.Text, sql);
                return ds;
            }
            return null;
        }
        public DataSet SelectMessage2(int id)
        {
            string  sql = "select * from messageid=" + id;
            DataSet ds = DbHelper.ExecuteDataset(CommandType.Text, sql);
            return ds;
        }
        public DataSet SelectReply(int id)
        {
            string sql = "select * from reply where mid=" + id + " order by replytime DESC";
            DataSet ds = DbHelper.ExecuteDataset(CommandType.Text, sql);
            return ds;
        }
        public bool InsertNews(string title, string NewsBody, string NewsWork)
        {
            string sql = "insert into news(title,NewsBody,NewsWork) values(@title,@NewsBody,@NewsWork)";
            SqlParameter[] pars = 
			{
				new SqlParameter("@title",title),
				new SqlParameter("@NewsBody",NewsBody),
				new SqlParameter("@NewsWork",NewsWork)