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