/// <summary>
/// 得到 tb_forums 数据实体
/// </summary>
/// <param name="dr">dr</param>
/// <returns>tb_forums 数据实体</returns>
public tb_ForumsEntity Populate_tb_ForumsEntity_FromDr(IDataReader dr)
{
tb_ForumsEntity Obj = new tb_ForumsEntity();
Obj.Id = ((dr["Id"]) == DBNull.Value)?0:Convert.ToInt32(dr["Id"]);
Obj.UserId = ((dr["UserId"]) == DBNull.Value)?0:Convert.ToInt32(dr["UserId"]);
Obj.BookId = ((dr["BookId"]) == DBNull.Value)?0:Convert.ToInt32(dr["BookId"]);
Obj.Content = dr["Content"].ToString();
Obj.Status = ((dr["Status"]) == DBNull.Value)?0:Convert.ToInt32(dr["Status"]);
Obj.Addtime = ((dr["Addtime"]) == DBNull.Value)?Convert.ToDateTime("1900-1-1"):Convert.ToDateTime(dr["Addtime"]);
return(Obj);
}
/// <summary>
/// 得到 tb_forums 数据实体
/// </summary>
/// <param name="row">row</param>
/// <returns>tb_forums 数据实体</returns>
public tb_ForumsEntity Populate_tb_ForumsEntity_FromDr(DataRow row)
{
tb_ForumsEntity Obj = new tb_ForumsEntity();
if (row != null)
{
Obj.Id = ((row["Id"]) == DBNull.Value)?0:Convert.ToInt32(row["Id"]);
Obj.UserId = ((row["UserId"]) == DBNull.Value)?0:Convert.ToInt32(row["UserId"]);
Obj.BookId = ((row["BookId"]) == DBNull.Value)?0:Convert.ToInt32(row["BookId"]);
Obj.Content = row["Content"].ToString();
Obj.Status = ((row["Status"]) == DBNull.Value)?0:Convert.ToInt32(row["Status"]);
Obj.Addtime = ((row["Addtime"]) == DBNull.Value)?Convert.ToDateTime("1900-1-1"):Convert.ToDateTime(row["Addtime"]);
}
else
{
return(null);
}
return(Obj);
}
/// <summary>
/// 根据ID,返回一个tb_Forums对象
/// </summary>
/// <param name="id">id</param>
/// <returns>tb_Forums对象</returns>
public tb_ForumsEntity Get_tb_ForumsEntity(int id)
{
tb_ForumsEntity _obj = null;
SqlParameter[] _param =
{
new SqlParameter("@Id", SqlDbType.Int)
};
_param[0].Value = id;
string sqlStr = "select * from tb_Forums with(nolock) where Id=@Id";
using (SqlDataReader dr = SqlHelper.ExecuteReader(WebConfig.ExamRW, CommandType.Text, sqlStr, _param))
{
while (dr.Read())
{
_obj = Populate_tb_ForumsEntity_FromDr(dr);
}
}
return(_obj);
}
/// <summary>
/// 向数据库中插入一条新记录。带事务
/// </summary>
/// <param name="sp">事务对象</param>
/// <param name="_tb_ForumsModel">tb_Forums实体</param>
/// <returns>新插入记录的编号</returns>
public int Insert(SqlTransaction sp, tb_ForumsEntity _tb_ForumsModel)
{
string sqlStr = "insert into tb_Forums([UserId],[BookId],[Content],[Status],[Addtime]) values(@UserId,@BookId,@Content,@Status,@Addtime) select @@identity";
int res;
SqlParameter[] _param =
{
new SqlParameter("@UserId", SqlDbType.Int),
new SqlParameter("@BookId", SqlDbType.Int),
new SqlParameter("@Content", SqlDbType.VarChar),
new SqlParameter("@Status", SqlDbType.Int),
new SqlParameter("@Addtime", SqlDbType.DateTime)
};
_param[0].Value = _tb_ForumsModel.UserId;
_param[1].Value = _tb_ForumsModel.BookId;
_param[2].Value = _tb_ForumsModel.Content;
_param[3].Value = _tb_ForumsModel.Status;
_param[4].Value = _tb_ForumsModel.Addtime;
res = Convert.ToInt32(SqlHelper.ExecuteScalar(sp, CommandType.Text, sqlStr, _param));
return(res);
}
/// <summary>
/// 向数据表tb_Forums更新一条记录。带事务
/// </summary>
/// <param name="sp">事务对象</param>
/// <param name="_tb_ForumsModel">_tb_ForumsModel</param>
/// <returns>影响的行数</returns>
public int Update(SqlTransaction sp, tb_ForumsEntity _tb_ForumsModel)
{
string sqlStr = "update tb_Forums set [UserId]=@UserId,[BookId]=@BookId,[Content]=@Content,[Status]=@Status,[Addtime]=@Addtime where Id=@Id";
SqlParameter[] _param =
{
new SqlParameter("@Id", SqlDbType.Int),
new SqlParameter("@UserId", SqlDbType.Int),
new SqlParameter("@BookId", SqlDbType.Int),
new SqlParameter("@Content", SqlDbType.VarChar),
new SqlParameter("@Status", SqlDbType.Int),
new SqlParameter("@Addtime", SqlDbType.DateTime)
};
_param[0].Value = _tb_ForumsModel.Id;
_param[1].Value = _tb_ForumsModel.UserId;
_param[2].Value = _tb_ForumsModel.BookId;
_param[3].Value = _tb_ForumsModel.Content;
_param[4].Value = _tb_ForumsModel.Status;
_param[5].Value = _tb_ForumsModel.Addtime;
return(SqlHelper.ExecuteNonQuery(sp, CommandType.Text, sqlStr, _param));
}
public void Update(tb_ForumsEntity tb_ForumsEntity)
{
tb_Forumsdal.Update(tb_ForumsEntity);
}
public int Insert(tb_ForumsEntity tb_ForumsEntity)
{
return(tb_Forumsdal.Insert(tb_ForumsEntity));
}