/**  版本信息模板在安装目录下，可自行修改。
* pow_study.cs
*
* 功 能： N/A
* 类 名： pow_study
*
* Ver    变更日期             负责人  变更内容
* ───────────────────────────────────
* V0.01  2024/5/15 15:42:36   N/A    初版
*
* Copyright (c) 2012 Maticsoft Corporation. All rights reserved.
*┌──────────────────────────────────┐
*│　此技术信息为本公司机密信息，未经本公司书面同意禁止向第三方披露．　│
*│　版权所有：动软卓越（北京）科技有限公司　　　　　　　　　　　　　　│
*└──────────────────────────────────┘
*/
using System;
using System.Data;
using System.Text;
using MySql.Data.MySqlClient;
using Maticsoft.DBUtility;//Please add references
using NPOI.SS.Formula.Functions;

namespace Competition.Mysql.DAL
{
    /// <summary>
    /// 数据访问类:pow_study
    /// </summary>
    public partial class pow_study
    {
        public pow_study()
        { }
        #region  BasicMethod

        /// <summary>
        /// 是否存在该记录
        /// </summary>
        public bool Exists(string StudyId)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select count(1) from pow_study");
            strSql.Append(" where StudyId=@StudyId ");
            MySqlParameter[] parameters = {
                    new MySqlParameter("@StudyId", MySqlDbType.VarChar,32)          };
            parameters[0].Value = StudyId;

            return DbHelperMySQL.Exists(strSql.ToString(), parameters);
        }


        /// <summary>
        /// 增加一条数据
        /// </summary>
        public bool Add(Competition.Mysql.Model.pow_study model)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("insert into pow_study(");
            strSql.Append("StudyId,StudyName,StudyClassId,StudyClass,StudySynopsis,Status,ReleaseTime,CreateTime,R1,R2,R3)");
            strSql.Append(" values (");
            strSql.Append("@StudyId,@StudyName,@StudyClassId,@StudyClass,@StudySynopsis,@Status,@ReleaseTime,@CreateTime,@R1,@R2,@R3)");
            MySqlParameter[] parameters = {
                    new MySqlParameter("@StudyId", MySqlDbType.VarChar,32),
                    new MySqlParameter("@StudyName", MySqlDbType.VarChar,255),
                    new MySqlParameter("@StudyClassId", MySqlDbType.VarChar,32),
                    new MySqlParameter("@StudyClass", MySqlDbType.VarChar,255),
                    new MySqlParameter("@StudySynopsis", MySqlDbType.VarChar,500),
                    new MySqlParameter("@Status", MySqlDbType.VarChar,255),
                    new MySqlParameter("@ReleaseTime", MySqlDbType.DateTime),
                    new MySqlParameter("@CreateTime", MySqlDbType.DateTime),
                    new MySqlParameter("@R1", MySqlDbType.VarChar,255),
                    new MySqlParameter("@R2", MySqlDbType.VarChar,255),
                    new MySqlParameter("@R3", MySqlDbType.VarChar,255)};
            parameters[0].Value = model.StudyId;
            parameters[1].Value = model.StudyName;
            parameters[2].Value = model.StudyClassId;
            parameters[3].Value = model.StudyClass;
            parameters[4].Value = model.StudySynopsis;
            parameters[5].Value = model.Status;
            parameters[6].Value = model.ReleaseTime;
            parameters[7].Value = model.CreateTime;
            parameters[8].Value = model.R1;
            parameters[9].Value = model.R2;
            parameters[10].Value = model.R3;

            int rows = DbHelperMySQL.ExecuteSql(strSql.ToString(), parameters);
            if (rows > 0)
            {
                return true;
            }
            else
            {
                return false;
            }
        }
        /// <summary>
        /// 更新一条数据
        /// </summary>
        public bool Update(Competition.Mysql.Model.pow_study model)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("update pow_study set ");
            strSql.Append("StudyName=@StudyName,");
            strSql.Append("StudyClassId=@StudyClassId,");
            strSql.Append("StudyClass=@StudyClass,");
            strSql.Append("StudySynopsis=@StudySynopsis,");
            strSql.Append("Status=@Status,");
            strSql.Append("ReleaseTime=@ReleaseTime,");
            strSql.Append("CreateTime=@CreateTime,");
            strSql.Append("R1=@R1,");
            strSql.Append("R2=@R2,");
            strSql.Append("R3=@R3");
            strSql.Append(" where StudyId=@StudyId ");
            MySqlParameter[] parameters = {
                    new MySqlParameter("@StudyName", MySqlDbType.VarChar,255),
                    new MySqlParameter("@StudyClassId", MySqlDbType.VarChar,32),
                    new MySqlParameter("@StudyClass", MySqlDbType.VarChar,255),
                    new MySqlParameter("@StudySynopsis", MySqlDbType.VarChar,500),
                    new MySqlParameter("@Status", MySqlDbType.VarChar,255),
                    new MySqlParameter("@ReleaseTime", MySqlDbType.DateTime),
                    new MySqlParameter("@CreateTime", MySqlDbType.DateTime),
                    new MySqlParameter("@R1", MySqlDbType.VarChar,255),
                    new MySqlParameter("@R2", MySqlDbType.VarChar,255),
                    new MySqlParameter("@R3", MySqlDbType.VarChar,255),
                    new MySqlParameter("@StudyId", MySqlDbType.VarChar,32)};
            parameters[0].Value = model.StudyName;
            parameters[1].Value = model.StudyClassId;
            parameters[2].Value = model.StudyClass;
            parameters[3].Value = model.StudySynopsis;
            parameters[4].Value = model.Status;
            parameters[5].Value = model.ReleaseTime;
            parameters[6].Value = model.CreateTime;
            parameters[7].Value = model.R1;
            parameters[8].Value = model.R2;
            parameters[9].Value = model.R3;
            parameters[10].Value = model.StudyId;

            int rows = DbHelperMySQL.ExecuteSql(strSql.ToString(), parameters);
            if (rows > 0)
            {
                return true;
            }
            else
            {
                return false;
            }
        }

        /// <summary>
        /// 删除一条数据
        /// </summary>
        public bool Delete(string StudyId)
        {

            StringBuilder strSql = new StringBuilder();
            strSql.Append("delete from pow_study ");
            strSql.Append(" where StudyId=@StudyId ");
            MySqlParameter[] parameters = {
                    new MySqlParameter("@StudyId", MySqlDbType.VarChar,32)          };
            parameters[0].Value = StudyId;

            int rows = DbHelperMySQL.ExecuteSql(strSql.ToString(), parameters);
            if (rows > 0)
            {
                return true;
            }
            else
            {
                return false;
            }
        }
        /// <summary>
        /// 批量删除数据
        /// </summary>
        public bool DeleteList(string StudyIdlist)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("delete from pow_study ");
            strSql.Append(" where StudyId in (" + StudyIdlist + ")  ");
            int rows = DbHelperMySQL.ExecuteSql(strSql.ToString());
            if (rows > 0)
            {
                return true;
            }
            else
            {
                return false;
            }
        }


        /// <summary>
        /// 得到一个对象实体
        /// </summary>
        public Competition.Mysql.Model.pow_study GetModel(string StudyId)
        {

            StringBuilder strSql = new StringBuilder();
            strSql.Append("select StudyId,StudyName,StudyClassId,StudyClass,StudySynopsis,Status,ReleaseTime,CreateTime,R1,R2,R3 from pow_study ");
            strSql.Append(" where StudyId=@StudyId ");
            MySqlParameter[] parameters = {
                    new MySqlParameter("@StudyId", MySqlDbType.VarChar,32)          };
            parameters[0].Value = StudyId;

            Competition.Mysql.Model.pow_study model = new Competition.Mysql.Model.pow_study();
            DataSet ds = DbHelperMySQL.Query(strSql.ToString(), parameters);
            if (ds.Tables[0].Rows.Count > 0)
            {
                return DataRowToModel(ds.Tables[0].Rows[0]);
            }
            else
            {
                return null;
            }
        }


        /// <summary>
        /// 得到一个对象实体
        /// </summary>
        public Competition.Mysql.Model.pow_study DataRowToModel(DataRow row)
        {
            Competition.Mysql.Model.pow_study model = new Competition.Mysql.Model.pow_study();
            if (row != null)
            {
                if (row["StudyId"] != null)
                {
                    model.StudyId = row["StudyId"].ToString();
                }
                if (row["StudyName"] != null)
                {
                    model.StudyName = row["StudyName"].ToString();
                }
                if (row["StudyClassId"] != null)
                {
                    model.StudyClassId = row["StudyClassId"].ToString();
                }
                if (row["StudyClass"] != null)
                {
                    model.StudyClass = row["StudyClass"].ToString();
                }
                if (row["StudySynopsis"] != null)
                {
                    model.StudySynopsis = row["StudySynopsis"].ToString();
                }
                if (row["Status"] != null)
                {
                    model.Status = row["Status"].ToString();
                }
                if (row["ReleaseTime"] != null && row["ReleaseTime"].ToString() != "")
                {
                    model.ReleaseTime = DateTime.Parse(row["ReleaseTime"].ToString());
                }
                if (row["CreateTime"] != null && row["CreateTime"].ToString() != "")
                {
                    model.CreateTime = DateTime.Parse(row["CreateTime"].ToString());
                }
                if (row["R1"] != null)
                {
                    model.R1 = row["R1"].ToString();
                }
                if (row["R2"] != null)
                {
                    model.R2 = row["R2"].ToString();
                }
                if (row["R3"] != null)
                {
                    model.R3 = row["R3"].ToString();
                }
            }
            return model;
        }

        /// <summary>
        /// 获得数据列表
        /// </summary>
        public DataSet GetList(string strWhere)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select StudyId,StudyName,StudyClassId,StudyClass,StudySynopsis,Status,ReleaseTime,CreateTime,R1,R2,R3 ");
            strSql.Append(" FROM pow_study ");
            if (strWhere.Trim() != "")
            {
                strSql.Append(" where " + strWhere);
            }
            return DbHelperMySQL.Query(strSql.ToString());
        }

        /// <summary>
        /// 获取记录总数
        /// </summary>
        public int GetRecordCount(string strWhere)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select count(1) FROM pow_study ");
            if (strWhere.Trim() != "")
            {
                strSql.Append(" where " + strWhere);
            }
            object obj = DbHelperMySQL.GetSingle(strSql.ToString());
            if (obj == null)
            {
                return 0;
            }
            else
            {
                return Convert.ToInt32(obj);
            }
        }
        /// <summary>
        /// 分页获取数据列表
        /// </summary>
        public DataSet GetListByPage(string strWhere, string orderby, int startIndex, int endIndex)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("SELECT * FROM ( ");
            strSql.Append(" SELECT ROW_NUMBER() OVER (");
            if (!string.IsNullOrEmpty(orderby.Trim()))
            {
                strSql.Append("order by T." + orderby);
            }
            else
            {
                strSql.Append("order by T.StudyId desc");
            }
            strSql.Append(")AS Row, T.*  from pow_study T ");
            if (!string.IsNullOrEmpty(strWhere.Trim()))
            {
                strSql.Append(" WHERE " + strWhere);
            }
            strSql.Append(" ) TT");
            strSql.AppendFormat(" WHERE TT.Row between {0} and {1}", startIndex, endIndex);
            return DbHelperMySQL.Query(strSql.ToString());
        }

        /*
		/// <summary>
		/// 分页获取数据列表
		/// </summary>
		public DataSet GetList(int PageSize,int PageIndex,string strWhere)
		{
			MySqlParameter[] parameters = {
					new MySqlParameter("@tblName", MySqlDbType.VarChar, 255),
					new MySqlParameter("@fldName", MySqlDbType.VarChar, 255),
					new MySqlParameter("@PageSize", MySqlDbType.Int32),
					new MySqlParameter("@PageIndex", MySqlDbType.Int32),
					new MySqlParameter("@IsReCount", MySqlDbType.Bit),
					new MySqlParameter("@OrderType", MySqlDbType.Bit),
					new MySqlParameter("@strWhere", MySqlDbType.VarChar,1000),
					};
			parameters[0].Value = "pow_study";
			parameters[1].Value = "StudyId";
			parameters[2].Value = PageSize;
			parameters[3].Value = PageIndex;
			parameters[4].Value = 0;
			parameters[5].Value = 0;
			parameters[6].Value = strWhere;	
			return DbHelperMySQL.RunProcedure("UP_GetRecordByPage",parameters,"ds");
		}*/

        #endregion  BasicMethod
        #region  ExtensionMethod
        /// <summary>
        /// 使用事务批量操作新增
        /// </summary>
        /// <returns></returns>
        public int OperationAllData(Competition.Mysql.Model.pow_study model, List<Competition.Mysql.Model.pow_study_file> list)
        {
            List<CommandInfo> com = new List<CommandInfo>();
            if (model != null)
            {
                StringBuilder strSql = new StringBuilder();
                strSql.Append("insert into pow_study(");
                strSql.Append("StudyId,StudyName,StudyClassId,StudyClass,StudySynopsis,Status,ReleaseTime,CreateTime,R1,R2,R3)");
                strSql.Append(" values (");
                strSql.Append("@StudyId,@StudyName,@StudyClassId,@StudyClass,@StudySynopsis,@Status,@ReleaseTime,@CreateTime,@R1,@R2,@R3)");
                MySqlParameter[] parameters = {
                    new MySqlParameter("@StudyId", MySqlDbType.VarChar,32),
                    new MySqlParameter("@StudyName", MySqlDbType.VarChar,255),
                    new MySqlParameter("@StudyClassId", MySqlDbType.VarChar,32),
                    new MySqlParameter("@StudyClass", MySqlDbType.VarChar,255),
                    new MySqlParameter("@StudySynopsis", MySqlDbType.VarChar,500),
                    new MySqlParameter("@Status", MySqlDbType.VarChar,255),
                    new MySqlParameter("@ReleaseTime", MySqlDbType.DateTime),
                    new MySqlParameter("@CreateTime", MySqlDbType.DateTime),
                    new MySqlParameter("@R1", MySqlDbType.VarChar,255),
                    new MySqlParameter("@R2", MySqlDbType.VarChar,255),
                    new MySqlParameter("@R3", MySqlDbType.VarChar,255)};
                parameters[0].Value = model.StudyId;
                parameters[1].Value = model.StudyName;
                parameters[2].Value = model.StudyClassId;
                parameters[3].Value = model.StudyClass;
                parameters[4].Value = model.StudySynopsis;
                parameters[5].Value = model.Status;
                parameters[6].Value = model.ReleaseTime;
                parameters[7].Value = model.CreateTime;
                parameters[8].Value = model.R1;
                parameters[9].Value = model.R2;
                parameters[10].Value = model.R3;
                com.Add(new CommandInfo(strSql.ToString(), parameters));
            }

            foreach (var item in list)
            {
                StringBuilder strSql = new StringBuilder();
                strSql.Append("insert into pow_study_file(");
                strSql.Append("FileId,StudyId,FileName,FilePath,FileType,FileSubType,CreateTime,R1,R2,R3)");
                strSql.Append(" values (");
                strSql.Append("@FileId,@StudyId,@FileName,@FilePath,@FileType,@FileSubType,@CreateTime,@R1,@R2,@R3)");
                MySqlParameter[] parameters = {
                    new MySqlParameter("@FileId", MySqlDbType.VarChar,32),
                    new MySqlParameter("@StudyId", MySqlDbType.VarChar,32),
                    new MySqlParameter("@FileName", MySqlDbType.VarChar,255),
                    new MySqlParameter("@FilePath", MySqlDbType.VarChar,255),
                    new MySqlParameter("@FileType", MySqlDbType.VarChar,255),
                    new MySqlParameter("@FileSubType", MySqlDbType.VarChar,255),
                    new MySqlParameter("@CreateTime", MySqlDbType.DateTime),
                    new MySqlParameter("@R1", MySqlDbType.VarChar,255),
                    new MySqlParameter("@R2", MySqlDbType.VarChar,255),
                    new MySqlParameter("@R3", MySqlDbType.VarChar,255)};
                parameters[0].Value = item.FileId;
                parameters[1].Value = item.StudyId;
                parameters[2].Value = item.FileName;
                parameters[3].Value = item.FilePath;
                parameters[4].Value = item.FileType;
                parameters[5].Value = item.FileSubType;
                parameters[6].Value = item.CreateTime;
                parameters[7].Value = item.R1;
                parameters[8].Value = item.R2;
                parameters[9].Value = item.R3;

                com.Add(new CommandInfo(strSql.ToString(), parameters));
            }
            return DbHelperMySQL.ExecuteSqlTran(com);
        }

        /// <summary>
        /// 使用事务批量操作新增
        /// </summary>
        /// <returns></returns>
        public int OperationEditAllData(Competition.Mysql.Model.pow_study model, List<Competition.Mysql.Model.pow_study_file> list)
        {
            List<CommandInfo> com = new List<CommandInfo>();
            if (model != null)
            {
                StringBuilder strSql = new StringBuilder();
                strSql.Append("update pow_study set ");
                strSql.Append("StudyName=@StudyName,");
                strSql.Append("StudyClassId=@StudyClassId,");
                strSql.Append("StudyClass=@StudyClass,");
                strSql.Append("StudySynopsis=@StudySynopsis,");
                strSql.Append("CreateTime=@CreateTime,");
                strSql.Append("R1=@R1,");
                strSql.Append("R2=@R2,");
                strSql.Append("R3=@R3");
                strSql.Append(" where StudyId=@StudyId ");
                MySqlParameter[] parameters = {
                    new MySqlParameter("@StudyName", MySqlDbType.VarChar,255),
                    new MySqlParameter("@StudyClassId", MySqlDbType.VarChar,32),
                    new MySqlParameter("@StudyClass", MySqlDbType.VarChar,255),
                    new MySqlParameter("@StudySynopsis", MySqlDbType.VarChar,500),
                    new MySqlParameter("@CreateTime", MySqlDbType.DateTime),
                    new MySqlParameter("@R1", MySqlDbType.VarChar,255),
                    new MySqlParameter("@R2", MySqlDbType.VarChar,255),
                    new MySqlParameter("@R3", MySqlDbType.VarChar,255),
                    new MySqlParameter("@StudyId", MySqlDbType.VarChar,32)};
                parameters[0].Value = model.StudyName;
                parameters[1].Value = model.StudyClassId;
                parameters[2].Value = model.StudyClass;
                parameters[3].Value = model.StudySynopsis;
                parameters[4].Value = model.CreateTime;
                parameters[5].Value = model.R1;
                parameters[6].Value = model.R2;
                parameters[7].Value = model.R3;
                parameters[8].Value = model.StudyId;
                com.Add(new CommandInfo(strSql.ToString(), parameters));

                StringBuilder strSql2 = new StringBuilder();
                strSql2.Append("delete from pow_study_file where StudyId in ('" + model.StudyId + "') ");
                MySqlParameter[] parameters2 = { };
                com.Add(new CommandInfo(strSql2.ToString(), parameters2));
            }

            foreach (var item in list)
            {
                StringBuilder strSql = new StringBuilder();
                strSql.Append("insert into pow_study_file(");
                strSql.Append("FileId,StudyId,FileName,FilePath,FileType,FileSubType,CreateTime,R1,R2,R3)");
                strSql.Append(" values (");
                strSql.Append("@FileId,@StudyId,@FileName,@FilePath,@FileType,@FileSubType,@CreateTime,@R1,@R2,@R3)");
                MySqlParameter[] parameters = {
                    new MySqlParameter("@FileId", MySqlDbType.VarChar,32),
                    new MySqlParameter("@StudyId", MySqlDbType.VarChar,32),
                    new MySqlParameter("@FileName", MySqlDbType.VarChar,255),
                    new MySqlParameter("@FilePath", MySqlDbType.VarChar,255),
                    new MySqlParameter("@FileType", MySqlDbType.VarChar,255),
                    new MySqlParameter("@FileSubType", MySqlDbType.VarChar,255),
                    new MySqlParameter("@CreateTime", MySqlDbType.DateTime),
                    new MySqlParameter("@R1", MySqlDbType.VarChar,255),
                    new MySqlParameter("@R2", MySqlDbType.VarChar,255),
                    new MySqlParameter("@R3", MySqlDbType.VarChar,255)};
                parameters[0].Value = item.FileId;
                parameters[1].Value = item.StudyId;
                parameters[2].Value = item.FileName;
                parameters[3].Value = item.FilePath;
                parameters[4].Value = item.FileType;
                parameters[5].Value = item.FileSubType;
                parameters[6].Value = item.CreateTime;
                parameters[7].Value = item.R1;
                parameters[8].Value = item.R2;
                parameters[9].Value = item.R3;
                com.Add(new CommandInfo(strSql.ToString(), parameters));
            }
            return DbHelperMySQL.ExecuteSqlTran(com);
        }

        /// <summary>
        /// 使用事务批量操作新增
        /// </summary>
        /// <returns></returns>
        public int OperationDeleteAllData(string StudyId)
        {
            List<CommandInfo> com = new List<CommandInfo>();
            StringBuilder strSql = new StringBuilder();
            strSql.Append("delete from pow_study where StudyId in ('" + StudyId + "') ");
            MySqlParameter[] parameters = { };
            com.Add(new CommandInfo(strSql.ToString(), parameters));

            StringBuilder strSql2 = new StringBuilder();
            strSql2.Append("delete from pow_study_file where StudyId in ('" + StudyId + "') ");
            MySqlParameter[] parameters2 = { };
            com.Add(new CommandInfo(strSql2.ToString(), parameters2));

            StringBuilder strSql3 = new StringBuilder();
            strSql3.Append("delete from pow_study_record where StudyId in ('" + StudyId + "') ");
            MySqlParameter[] parameters3 = { };
            com.Add(new CommandInfo(strSql3.ToString(), parameters3));

            StringBuilder strSql4 = new StringBuilder();
            strSql4.Append("delete from pow_study_file_record where StudyId in ('" + StudyId + "') ");
            MySqlParameter[] parameters4 = { };
            com.Add(new CommandInfo(strSql4.ToString(), parameters4));
            return DbHelperMySQL.ExecuteSqlTran(com);
        }

        /// <summary>
		/// 获得数据列表
		/// </summary>
		public DataSet GetUserList(string strWhere, string UserId)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select T1.StudyId,T1.StudyName,T1.StudyClassId,T3.StudyClassName as StudyClass,T1.StudySynopsis,T1.Status,T1.ReleaseTime,T1.CreateTime,T1.R1,T1.R2,T1.R3,T2.Comment,IFNULL(T2.`Schedule`, 0) as `Schedule`,T2.StudyTime,T2.Reviewer,T2.ReviewerTime from pow_study T1 left join (select * from pow_study_record where UserId='" + UserId + "') T2 on T2.StudyId=T1.StudyId left join pow_study_class T3 on T3.StudyClassId=T1.StudyClassId ");
            if (strWhere.Trim() != "")
            {
                strSql.Append(" where " + strWhere);
            }
            return DbHelperMySQL.Query(strSql.ToString());
        }

        /// <summary>
        /// 得到一个对象实体
        /// </summary>
        public Competition.Mysql.Other.study_record DataRowToUserModel(DataRow row)
        {
            Competition.Mysql.Other.study_record model = new Competition.Mysql.Other.study_record();
            if (row != null)
            {
                if (row["StudyId"] != null)
                {
                    model.StudyId = row["StudyId"].ToString();
                }
                if (row["StudyName"] != null)
                {
                    model.StudyName = row["StudyName"].ToString();
                }
                if (row["StudyClass"] != null)
                {
                    model.StudyClass = row["StudyClass"].ToString();
                }
                if (row["StudySynopsis"] != null)
                {
                    model.StudySynopsis = row["StudySynopsis"].ToString();
                }
                if (row["Schedule"] != null)
                {
                    model.Schedule = row["Schedule"].ToString();
                }
                if (row["StudyTime"] != null && row["StudyTime"].ToString() != "")
                {
                    model.StudyTime = DateTime.Parse(row["StudyTime"].ToString());
                }
                if (row["ReleaseTime"] != null && row["ReleaseTime"].ToString() != "")
                {
                    model.ReleaseTime = DateTime.Parse(row["ReleaseTime"].ToString());
                }
                if (row["CreateTime"] != null && row["CreateTime"].ToString() != "")
                {
                    model.CreateTime = DateTime.Parse(row["CreateTime"].ToString());
                }
                if (row["Comment"] != null)
                {
                    model.Comment = row["Comment"].ToString();
                }
                if (row["Reviewer"] != null)
                {
                    model.Reviewer = row["Reviewer"].ToString();
                }
                if (row["ReviewerTime"] != null && row["ReviewerTime"].ToString() != "")
                {
                    model.ReviewerTime = DateTime.Parse(row["ReviewerTime"].ToString());
                }
            }
            return model;
        }

        /// <summary>
        /// 获取记录总数
        /// </summary>
        public int GetUserRecordCount(string strWhere, string UserId)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select count(1) FROM pow_study T1 left join (select * from pow_study_record where UserId='" + UserId + "') T2 on T2.StudyId=T1.StudyId left join pow_study_class T3 on T3.StudyClassId=T1.StudyClassId ");
            if (strWhere.Trim() != "")
            {
                strSql.Append(" where " + strWhere);
            }
            object obj = DbHelperMySQL.GetSingle(strSql.ToString());
            if (obj == null)
            {
                return 0;
            }
            else
            {
                return Convert.ToInt32(obj);
            }
        }

        /// <summary>
        /// 更新一条数据
        /// </summary>
        public bool UpdateRelease(string study_id, string status)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("update pow_study set ");
            strSql.Append("Status=@Status,");
            strSql.Append("ReleaseTime=now()");
            strSql.Append(" where StudyId=@StudyId ");
            MySqlParameter[] parameters = {
                    new MySqlParameter("@Status", MySqlDbType.VarChar,255),
                    new MySqlParameter("@StudyId", MySqlDbType.VarChar,32)};
            parameters[0].Value = status;
            parameters[1].Value = study_id;

            int rows = DbHelperMySQL.ExecuteSql(strSql.ToString(), parameters);
            if (rows > 0)
            {
                return true;
            }
            else
            {
                return false;
            }
        }

        /// <summary>
        /// 获得数据列表
        /// </summary>
        public DataSet GetClassList(string strWhere)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select T1.StudyId,T1.StudyName,T1.StudyClassId,T2.StudyClassName as StudyClass,T1.StudySynopsis,T1.Status,T1.ReleaseTime,T1.CreateTime,T1.R1,T1.R2,T1.R3 FROM pow_study T1 left join pow_study_class T2 on T2.StudyClassId=T1.StudyClassId ");
            strSql.Append("  ");
            if (strWhere.Trim() != "")
            {
                strSql.Append(" where " + strWhere);
            }
            return DbHelperMySQL.Query(strSql.ToString());
        }

        /// <summary>
        /// 获取记录总数
        /// </summary>
        public int GetClassRecordCount(string strWhere)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select count(1) FROM pow_study T1 left join pow_study_class T2 on T2.StudyClassId=T1.StudyClassId ");
            if (strWhere.Trim() != "")
            {
                strSql.Append(" where " + strWhere);
            }
            object obj = DbHelperMySQL.GetSingle(strSql.ToString());
            if (obj == null)
            {
                return 0;
            }
            else
            {
                return Convert.ToInt32(obj);
            }
        }
        #endregion  ExtensionMethod
    }
}