用c#语言读入文本文档商品清单，计算总价格

将规则的几列数据放入文本文档，用c#语言读取数据计算并将结果写入数据，这种方法在计算采矿工程覆岩三带、surfer插分起伏地表建模等处有很大用处-With c# language reads text documents list of goods to calculate the total price will be several columns of data rules into your text document, reads the data and writes the results to calculate data in c# language, this method of overlying strata in mining engineering computing three belts, surfer interpolation points undulating surface modeling, etc. are very useful