/// <summary> /// 增加一条数据 /// </summary> public int Add(dbamet.Model.ActiveIntro model) { StringBuilder strSql = new StringBuilder(); strSql.Append("insert into ActiveIntro("); strSql.Append("type,content,modifytime)"); strSql.Append(" values ("); strSql.Append("@type,@content,@modifytime)"); strSql.Append(";select @@IDENTITY"); SqlParameter[] parameters = { new SqlParameter("@type", SqlDbType.VarChar, 50), new SqlParameter("@content", SqlDbType.VarChar, 50), new SqlParameter("@modifytime", SqlDbType.DateTime) }; parameters[0].Value = model.type; parameters[1].Value = model.content; parameters[2].Value = model.modifytime; object obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters); if (obj == null) { return(0); } else { return(Convert.ToInt32(obj)); } }
/// <summary> /// 更新一条数据 /// </summary> public bool Update(dbamet.Model.ActiveIntro model) { StringBuilder strSql = new StringBuilder(); strSql.Append("update ActiveIntro set "); strSql.Append("type=@type,"); strSql.Append("content=@content,"); strSql.Append("modifytime=@modifytime"); strSql.Append(" where id=@id"); SqlParameter[] parameters = { new SqlParameter("@type", SqlDbType.VarChar, 50), new SqlParameter("@content", SqlDbType.VarChar, 50), new SqlParameter("@modifytime", SqlDbType.DateTime), new SqlParameter("@id", SqlDbType.Int, 4) }; parameters[0].Value = model.type; parameters[1].Value = model.content; parameters[2].Value = model.modifytime; parameters[3].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 dbamet.Model.ActiveIntro GetModel(int id) { StringBuilder strSql = new StringBuilder(); strSql.Append("select top 1 id,type,content,modifytime from ActiveIntro "); strSql.Append(" where id=@id"); SqlParameter[] parameters = { new SqlParameter("@id", SqlDbType.Int, 4) }; parameters[0].Value = id; dbamet.Model.ActiveIntro model = new dbamet.Model.ActiveIntro(); DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters); if (ds.Tables[0].Rows.Count > 0) { if (ds.Tables[0].Rows[0]["id"] != null && ds.Tables[0].Rows[0]["id"].ToString() != "") { model.id = int.Parse(ds.Tables[0].Rows[0]["id"].ToString()); } if (ds.Tables[0].Rows[0]["type"] != null && ds.Tables[0].Rows[0]["type"].ToString() != "") { model.type = ds.Tables[0].Rows[0]["type"].ToString(); } if (ds.Tables[0].Rows[0]["content"] != null && ds.Tables[0].Rows[0]["content"].ToString() != "") { model.content = ds.Tables[0].Rows[0]["content"].ToString(); } if (ds.Tables[0].Rows[0]["modifytime"] != null && ds.Tables[0].Rows[0]["modifytime"].ToString() != "") { model.modifytime = DateTime.Parse(ds.Tables[0].Rows[0]["modifytime"].ToString()); } return(model); } else { return(null); } }