/// <summary> /// 更新一条数据 /// </summary> public bool Update(HeqiaoDaoshiCore.Model.News model) { StringBuilder strSql = new StringBuilder(); strSql.Append("update News set "); strSql.Append("CreateTime=@CreateTime,"); strSql.Append("Title=@Title,"); strSql.Append("NewsContent=@NewsContent,"); strSql.Append("IsDelete=@IsDelete,"); strSql.Append("ReleaseState=@ReleaseState"); strSql.Append(" where ID=@ID"); SqlParameter[] parameters = { new SqlParameter("@CreateTime", SqlDbType.DateTime), new SqlParameter("@Title", SqlDbType.NVarChar, 50), new SqlParameter("@NewsContent", SqlDbType.NVarChar, -1), new SqlParameter("@IsDelete", SqlDbType.Int, 4), new SqlParameter("@ReleaseState", SqlDbType.Int, 4), new SqlParameter("@ID", SqlDbType.Int, 4), new SqlParameter("@NewsUUID", SqlDbType.UniqueIdentifier, 16) }; parameters[0].Value = model.CreateTime; parameters[1].Value = model.Title; parameters[2].Value = model.NewsContent; parameters[3].Value = model.IsDelete; parameters[4].Value = model.ReleaseState; parameters[5].Value = model.ID; parameters[6].Value = model.NewsUUID; 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 HeqiaoDaoshiCore.Model.News DataRowToModel(DataRow row) { HeqiaoDaoshiCore.Model.News model = new HeqiaoDaoshiCore.Model.News(); if (row != null) { if (row["ID"] != null && row["ID"].ToString() != "") { model.ID = int.Parse(row["ID"].ToString()); } if (row["CreateTime"] != null && row["CreateTime"].ToString() != "") { model.CreateTime = DateTime.Parse(row["CreateTime"].ToString()); } if (row["NewsUUID"] != null && row["NewsUUID"].ToString() != "") { model.NewsUUID = new Guid(row["NewsUUID"].ToString()); } if (row["Title"] != null) { model.Title = row["Title"].ToString(); } if (row["NewsContent"] != null) { model.NewsContent = row["NewsContent"].ToString(); } if (row["IsDelete"] != null && row["IsDelete"].ToString() != "") { model.IsDelete = int.Parse(row["IsDelete"].ToString()); } if (row["ReleaseState"] != null && row["ReleaseState"].ToString() != "") { model.ReleaseState = int.Parse(row["ReleaseState"].ToString()); } } return(model); }
/// <summary> /// 增加一条数据 /// </summary> public int Add(HeqiaoDaoshiCore.Model.News model) { StringBuilder strSql = new StringBuilder(); strSql.Append("insert into News("); strSql.Append("CreateTime,NewsUUID,Title,NewsContent,IsDelete,ReleaseState)"); strSql.Append(" values ("); strSql.Append("@CreateTime,@NewsUUID,@Title,@NewsContent,@IsDelete,@ReleaseState)"); strSql.Append(";select @@IDENTITY"); SqlParameter[] parameters = { new SqlParameter("@CreateTime", SqlDbType.DateTime), new SqlParameter("@NewsUUID", SqlDbType.UniqueIdentifier, 16), new SqlParameter("@Title", SqlDbType.NVarChar, 50), new SqlParameter("@NewsContent", SqlDbType.NVarChar, -1), new SqlParameter("@IsDelete", SqlDbType.Int, 4), new SqlParameter("@ReleaseState", SqlDbType.Int, 4) }; parameters[0].Value = model.CreateTime; parameters[1].Value = Guid.NewGuid(); parameters[2].Value = model.Title; parameters[3].Value = model.NewsContent; parameters[4].Value = model.IsDelete; parameters[5].Value = model.ReleaseState; 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 HeqiaoDaoshiCore.Model.News GetModel(int ID) { StringBuilder strSql = new StringBuilder(); strSql.Append("select top 1 ID,CreateTime,NewsUUID,Title,NewsContent,IsDelete,ReleaseState from News "); strSql.Append(" where ID=@ID"); SqlParameter[] parameters = { new SqlParameter("@ID", SqlDbType.Int, 4) }; parameters[0].Value = ID; HeqiaoDaoshiCore.Model.News model = new HeqiaoDaoshiCore.Model.News(); DataSet ds = DbHelperSql.Query(strSql.ToString(), parameters); if (ds.Tables[0].Rows.Count > 0) { return(DataRowToModel(ds.Tables[0].Rows[0])); } else { return(null); } }