/// <summary> /// 更新一条数据 /// </summary> public bool Update(lgk.Model.tb_area model) { StringBuilder strSql = new StringBuilder(); strSql.Append("update tb_area set "); strSql.Append("id=@id,"); strSql.Append("areaID=@areaID,"); strSql.Append("area=@area,"); strSql.Append("father=@father"); strSql.Append(" where "); SqlParameter[] parameters = { new SqlParameter("@id", SqlDbType.Int, 4), new SqlParameter("@areaID", SqlDbType.NVarChar, 50), new SqlParameter("@area", SqlDbType.NVarChar, 60), new SqlParameter("@father", SqlDbType.NVarChar, 6) }; parameters[0].Value = model.id; parameters[1].Value = model.areaID; parameters[2].Value = model.area; parameters[3].Value = model.father; int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters); if (rows > 0) { return(true); } else { return(false); } }
/// <summary> /// 增加一条数据 /// </summary> public void Add(lgk.Model.tb_area model) { StringBuilder strSql = new StringBuilder(); strSql.Append("insert into tb_area("); strSql.Append("id,areaID,area,father)"); strSql.Append(" values ("); strSql.Append("@id,@areaID,@area,@father)"); SqlParameter[] parameters = { new SqlParameter("@id", SqlDbType.Int, 4), new SqlParameter("@areaID", SqlDbType.NVarChar, 50), new SqlParameter("@area", SqlDbType.NVarChar, 60), new SqlParameter("@father", SqlDbType.NVarChar, 6) }; parameters[0].Value = model.id; parameters[1].Value = model.areaID; parameters[2].Value = model.area; parameters[3].Value = model.father; DbHelperSQL.ExecuteSql(strSql.ToString(), parameters); }
/// <summary> /// 得到一个对象实体 /// </summary> public lgk.Model.tb_area GetModel(string strWhere) { //该表无主键信息,请自定义主键/条件字段 StringBuilder strSql = new StringBuilder(); strSql.Append("select top 1 id,areaID,area,father from tb_area "); if (strWhere.Trim() != "") { strSql.Append(" where " + strWhere); } lgk.Model.tb_area model = new lgk.Model.tb_area(); DataSet ds = DbHelperSQL.Query(strSql.ToString()); 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]["areaID"] != null && ds.Tables[0].Rows[0]["areaID"].ToString() != "") { model.areaID = ds.Tables[0].Rows[0]["areaID"].ToString(); } if (ds.Tables[0].Rows[0]["area"] != null && ds.Tables[0].Rows[0]["area"].ToString() != "") { model.area = ds.Tables[0].Rows[0]["area"].ToString(); } if (ds.Tables[0].Rows[0]["father"] != null && ds.Tables[0].Rows[0]["father"].ToString() != "") { model.father = ds.Tables[0].Rows[0]["father"].ToString(); } return(model); } else { return(null); } }