/// <summary> /// 更新一条数据 /// </summary> public bool Update(coodroid.Model.model.catalog model) { StringBuilder strSql = new StringBuilder(); strSql.Append("update catalog set "); strSql.Append("name=@name"); strSql.Append(" where id=@id"); SQLiteParameter[] parameters = { new SQLiteParameter("@name", DbType.String, 10), new SQLiteParameter("@id", DbType.Int32, 8) }; parameters[0].Value = model.name; parameters[1].Value = model.id; int rows = DbHelperSQLite.ExecuteSql(strSql.ToString(), parameters); if (rows > 0) { return(true); } else { return(false); } }
/// <summary> /// 增加一条数据 /// </summary> public int Add(coodroid.Model.model.catalog model) { StringBuilder strSql = new StringBuilder(); strSql.Append("insert into catalog("); strSql.Append("name)"); strSql.Append(" values ("); strSql.Append("@name)"); strSql.Append(";select LAST_INSERT_ROWID()"); SQLiteParameter[] parameters = { new SQLiteParameter("@name", DbType.String, 10) }; parameters[0].Value = model.name; object obj = DbHelperSQLite.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 coodroid.Model.model.catalog DataRowToModel(DataRow row) { coodroid.Model.model.catalog model = new coodroid.Model.model.catalog(); 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(); } } return(model); }
/// <summary> /// 得到一个对象实体 /// </summary> public coodroid.Model.model.catalog GetModel(int id) { StringBuilder strSql = new StringBuilder(); strSql.Append("select id,name from catalog "); strSql.Append(" where id=@id"); SQLiteParameter[] parameters = { new SQLiteParameter("@id", DbType.Int32, 4) }; parameters[0].Value = id; coodroid.Model.model.catalog model = new coodroid.Model.model.catalog(); DataSet ds = DbHelperSQLite.Query(strSql.ToString(), parameters); if (ds.Tables[0].Rows.Count > 0) { return(DataRowToModel(ds.Tables[0].Rows[0])); } else { return(null); } }