/// <summary> /// 更新一条数据 /// </summary> public bool Update(SoilNutrientSoft.Model.Areas model) { StringBuilder strSql = new StringBuilder(); strSql.Append("update Areas set "); strSql.Append("AreaID=@AreaID,"); strSql.Append("AreaName=@AreaName,"); strSql.Append("AreaPID=@AreaPID"); strSql.Append(" where Id=@Id"); SqlParameter[] parameters = { new SqlParameter("@AreaID", SqlDbType.Int, 4), new SqlParameter("@AreaName", SqlDbType.NVarChar, 50), new SqlParameter("@AreaPID", SqlDbType.Int, 4), new SqlParameter("@Id", SqlDbType.Int, 4) }; parameters[0].Value = model.AreaID; parameters[1].Value = model.AreaName; parameters[2].Value = model.AreaPID; parameters[3].Value = model.Id; int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters); if (rows > 0) { return(true); } else { return(false); } }
/// <summary> /// 增加一条数据 /// </summary> public int Add(SoilNutrientSoft.Model.Areas model) { StringBuilder strSql = new StringBuilder(); strSql.Append("insert into Areas("); strSql.Append("AreaID,AreaName,AreaPID)"); strSql.Append(" values ("); strSql.Append("@AreaID,@AreaName,@AreaPID)"); strSql.Append(";select @@IDENTITY"); SqlParameter[] parameters = { new SqlParameter("@AreaID", SqlDbType.Int, 4), new SqlParameter("@AreaName", SqlDbType.NVarChar, 50), new SqlParameter("@AreaPID", SqlDbType.Int, 4) }; parameters[0].Value = model.AreaID; parameters[1].Value = model.AreaName; parameters[2].Value = model.AreaPID; 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 SoilNutrientSoft.Model.Areas DataRowToModel(DataRow row) { SoilNutrientSoft.Model.Areas model = new SoilNutrientSoft.Model.Areas(); if (row != null) { if (row["Id"] != null && row["Id"].ToString() != "") { model.Id = int.Parse(row["Id"].ToString()); } if (row["AreaID"] != null && row["AreaID"].ToString() != "") { model.AreaID = int.Parse(row["AreaID"].ToString()); } if (row["AreaName"] != null) { model.AreaName = row["AreaName"].ToString(); } if (row["AreaPID"] != null && row["AreaPID"].ToString() != "") { model.AreaPID = int.Parse(row["AreaPID"].ToString()); } } return(model); }
/// <summary> /// 得到一个对象实体 /// </summary> public SoilNutrientSoft.Model.Areas GetModel(int Id) { StringBuilder strSql = new StringBuilder(); strSql.Append("select top 1 Id,AreaID,AreaName,AreaPID from Areas "); strSql.Append(" where Id=@Id"); SqlParameter[] parameters = { new SqlParameter("@Id", SqlDbType.Int, 4) }; parameters[0].Value = Id; SoilNutrientSoft.Model.Areas model = new SoilNutrientSoft.Model.Areas(); DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters); if (ds.Tables[0].Rows.Count > 0) { return(DataRowToModel(ds.Tables[0].Rows[0])); } else { return(null); } }