Public Property AdjustedClose As Nullable( Of Decimal)Īnother possibility for text files is that they don't have any record separator but instead have implied fields of a given fixed width.
Public Property Volume As Nullable( Of Decimal) Public Property ClosingPrice As Nullable( Of Decimal) Public Property LowPrice As Nullable( Of Decimal) Public Property HighPrice As Nullable( Of Decimal) Public Property OpenPrice As Nullable( Of Decimal) What is desired is to turn this into an IEnumerable of a class called StockPrice that can be declared thus:
Using the Codeįor a worked example, we'll start with a flat file which contains historical price information about Microsoft shares from Yahoo: This library very much follows that model but if you are not familiar with it then I recommend reading this article to start with. The use of attributes to tag properties of your classes is quite common in both Entity Framework and also in. This library is concerned with turning these files into arrays of type-safe objects and using semantic meaning in those objects to validate the files concerned. Whilst many modern applications exchange data in well defined standard ways (such as XML or JSON), the reality is that a great deal of data is still packaged in flat files (by which I mean comma separated values, or fixed width text files).
#Fileutility code
Download source code (version 2) - 97.4 KB.
0 kommentar(er)
