Applied XML Programming for Microsoft .NET.pdf - Csbdu.in

}The net effect of this code is that any changes entered in the source CSV document arecached to a temporary file, which then replaces the original. The user won't perceiveanything of these workings, however.The CSV Reader/Writer in ActionLet's take a sample CSV file, read it, and apply some changes to the contents so thatthey will automatically be persisted when the reader is closed. Here is the source CSVfile:LastName,FirstName,Title,CountryDavolio,Nancy,Sales Representative,USAFuller,Andrew,Sales Manager,USALeverling,Janet,Sales Representative,UKSuyama,Michael,Sales Representative,UKThe idea is to replacing the expression Sales Representative with another one—say,Sales Force. The sample application, nearly identical to the one in Chapter 2, loads theCSV file, applies the changes, and then displays it through a desktop DataGrid control,as follows:// Instantiate the reader on a CSV fileXmlCsvReadWriter reader;reader = new XmlCsvReadWriter("employees.csv",hasHeader.Checked);reader.EnableOutput = true;reader.Read();// Define the schema of the table to bind to the gridDataTable dt = new DataTable();for(int i=0; i