/// <summary> /// 增加一条数据 /// </summary> public int Add(Model.Forum_MyPost model) { StringBuilder strSql = new StringBuilder(); strSql.Append("insert into " + databaseprefix + "Forum_MyPost("); strSql.Append("UserId,TopicId,PostId"); strSql.Append(") values ("); strSql.Append("@UserId,@TopicId,@PostId"); strSql.Append(") "); strSql.Append(";select @@IDENTITY"); SqlParameter[] parameters = { new SqlParameter("@UserId", SqlDbType.Int, 4), new SqlParameter("@TopicId", SqlDbType.Int, 4), new SqlParameter("@PostId", SqlDbType.Int, 4) }; parameters[0].Value = model.UserId; parameters[1].Value = model.TopicId; parameters[2].Value = model.PostId; 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 Model.Forum_MyPost DataRowToModel(DataRow row) { if (row != null) { Model.Forum_MyPost model = new Model.Forum_MyPost(); if (row["Id"].ToString() != "") { model.Id = int.Parse(row["Id"].ToString()); } if (row["UserId"].ToString() != "") { model.UserId = int.Parse(row["UserId"].ToString()); } if (row["TopicId"].ToString() != "") { model.TopicId = int.Parse(row["TopicId"].ToString()); } if (row["PostId"].ToString() != "") { model.PostId = int.Parse(row["PostId"].ToString()); } return(model); } else { return(null); } }
/// <summary> /// 更新一条数据 /// </summary> public bool Update(Model.Forum_MyPost model) { StringBuilder strSql = new StringBuilder(); strSql.Append("update " + databaseprefix + "Forum_MyPost set "); strSql.Append(" UserId = @UserId , "); strSql.Append(" TopicId = @TopicId , "); strSql.Append(" PostId = @PostId "); strSql.Append(" where Id=@Id "); SqlParameter[] parameters = { new SqlParameter("@Id", SqlDbType.Int, 4), new SqlParameter("@UserId", SqlDbType.Int, 4), new SqlParameter("@TopicId", SqlDbType.Int, 4), new SqlParameter("@PostId", SqlDbType.Int, 4) }; parameters[0].Value = model.Id; parameters[1].Value = model.UserId; parameters[2].Value = model.TopicId; parameters[3].Value = model.PostId; int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters); if (rows > 0) { return(true); } else { return(false); } }
/// <summary> /// 增加一条数据,内部做了调整,添加时先查询存在就更新,没存在就添加,因为一个标题只能存在一条记录 /// </summary> public bool Add(Model.Forum_MyPost model) { Model.Forum_MyPost modelMyPost = GetModel(" UserId=" + model.UserId + " and TopicId=" + model.TopicId); if (modelMyPost == null) { dal.Add(model); } else { modelMyPost.PostId = model.PostId; dal.Update(modelMyPost); } return(true); }
/// <summary> /// 更新一条数据 /// </summary> public bool Update(Model.Forum_MyPost model) { return(dal.Update(model)); }