/// <summary>
        /// 更新一条数据
        /// </summary>
        public bool Update(TaskManager.Model.T_Event_MyTask model)
        {
            StringBuilder strSql = new StringBuilder();

            strSql.Append("update T_Event_MyTask set ");
            strSql.Append("Name=@Name,");
            strSql.Append("StartTime=@StartTime,");
            strSql.Append("EndTime=@EndTime,");
            strSql.Append("Type=@Type,");
            strSql.Append("Description=@Description,");
            strSql.Append("IsAlert=@IsAlert,");
            strSql.Append("AlertTime=@AlertTime,");
            strSql.Append("State=@State,");
            strSql.Append("StuId=@StuId");
            strSql.Append(" where Id=@Id");
            SqlParameter[] parameters =
            {
                new SqlParameter("@Name",        SqlDbType.NVarChar,  20),
                new SqlParameter("@StartTime",   SqlDbType.DateTime),
                new SqlParameter("@EndTime",     SqlDbType.DateTime),
                new SqlParameter("@Type",        SqlDbType.Int,        4),
                new SqlParameter("@Description", SqlDbType.Text),
                new SqlParameter("@IsAlert",     SqlDbType.Int,        4),
                new SqlParameter("@AlertTime",   SqlDbType.Int,        4),
                new SqlParameter("@State",       SqlDbType.Int,        4),
                new SqlParameter("@StuId",       SqlDbType.Int,        4),
                new SqlParameter("@Id",          SqlDbType.Int, 4)
            };
            parameters[0].Value = model.Name;
            parameters[1].Value = model.StartTime;
            parameters[2].Value = model.EndTime;
            parameters[3].Value = model.Type;
            parameters[4].Value = model.Description;
            parameters[5].Value = model.IsAlert;
            parameters[6].Value = model.AlertTime;
            parameters[7].Value = model.State;
            parameters[8].Value = model.StuId;
            parameters[9].Value = model.Id;

            int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);

            if (rows > 0)
            {
                return(true);
            }
            else
            {
                return(false);
            }
        }
 /// <summary>
 /// 得到一个对象实体
 /// </summary>
 public TaskManager.Model.T_Event_MyTask DataRowToModel(DataRow row)
 {
     TaskManager.Model.T_Event_MyTask model = new TaskManager.Model.T_Event_MyTask();
     if (row != null)
     {
         if (row["Id"] != null && row["Id"].ToString() != "")
         {
             model.Id = int.Parse(row["Id"].ToString());
         }
         if (row["Name"] != null)
         {
             model.Name = row["Name"].ToString();
         }
         if (row["StartTime"] != null && row["StartTime"].ToString() != "")
         {
             model.StartTime = DateTime.Parse(row["StartTime"].ToString());
         }
         if (row["EndTime"] != null && row["EndTime"].ToString() != "")
         {
             model.EndTime = DateTime.Parse(row["EndTime"].ToString());
         }
         if (row["Type"] != null && row["Type"].ToString() != "")
         {
             model.Type = int.Parse(row["Type"].ToString());
         }
         if (row["Description"] != null)
         {
             model.Description = row["Description"].ToString();
         }
         if (row["IsAlert"] != null && row["IsAlert"].ToString() != "")
         {
             model.IsAlert = int.Parse(row["IsAlert"].ToString());
         }
         if (row["AlertTime"] != null && row["AlertTime"].ToString() != "")
         {
             model.AlertTime = int.Parse(row["AlertTime"].ToString());
         }
         if (row["State"] != null && row["State"].ToString() != "")
         {
             model.State = int.Parse(row["State"].ToString());
         }
         if (row["StuId"] != null && row["StuId"].ToString() != "")
         {
             model.StuId = int.Parse(row["StuId"].ToString());
         }
     }
     return(model);
 }
        /// <summary>
        /// 增加一条数据
        /// </summary>
        public int Add(TaskManager.Model.T_Event_MyTask model)
        {
            StringBuilder strSql = new StringBuilder();

            strSql.Append("insert into T_Event_MyTask(");
            strSql.Append("Name,StartTime,EndTime,Type,Description,IsAlert,AlertTime,State,StuId)");
            strSql.Append(" values (");
            strSql.Append("@Name,@StartTime,@EndTime,@Type,@Description,@IsAlert,@AlertTime,@State,@StuId)");
            strSql.Append(";select @@IDENTITY");
            SqlParameter[] parameters =
            {
                new SqlParameter("@Name",        SqlDbType.NVarChar,  20),
                new SqlParameter("@StartTime",   SqlDbType.DateTime),
                new SqlParameter("@EndTime",     SqlDbType.DateTime),
                new SqlParameter("@Type",        SqlDbType.Int,        4),
                new SqlParameter("@Description", SqlDbType.Text),
                new SqlParameter("@IsAlert",     SqlDbType.Int,        4),
                new SqlParameter("@AlertTime",   SqlDbType.Int,        4),
                new SqlParameter("@State",       SqlDbType.Int,        4),
                new SqlParameter("@StuId",       SqlDbType.Int, 4)
            };
            parameters[0].Value = model.Name;
            parameters[1].Value = model.StartTime;
            parameters[2].Value = model.EndTime;
            parameters[3].Value = model.Type;
            parameters[4].Value = model.Description;
            parameters[5].Value = model.IsAlert;
            parameters[6].Value = model.AlertTime;
            parameters[7].Value = model.State;
            parameters[8].Value = model.StuId;

            object obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters);

            if (obj == null)
            {
                return(0);
            }
            else
            {
                return(Convert.ToInt32(obj));
            }
        }
        /// <summary>
        /// 得到一个对象实体
        /// </summary>
        public TaskManager.Model.T_Event_MyTask GetModel(int Id)
        {
            StringBuilder strSql = new StringBuilder();

            strSql.Append("select  top 1 Id,Name,StartTime,EndTime,Type,Description,IsAlert,AlertTime,State,StuId from T_Event_MyTask ");
            strSql.Append(" where Id=@Id");
            SqlParameter[] parameters =
            {
                new SqlParameter("@Id", SqlDbType.Int, 4)
            };
            parameters[0].Value = Id;

            TaskManager.Model.T_Event_MyTask model = new TaskManager.Model.T_Event_MyTask();
            DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);

            if (ds.Tables[0].Rows.Count > 0)
            {
                return(DataRowToModel(ds.Tables[0].Rows[0]));
            }
            else
            {
                return(null);
            }
        }