Web2. Load a WorkBook. The WorkBook class represents an Excel sheet. To open an Excel File using C#, we use WorkBook.Load and specify the path of the Excel file (.xlsx). WorkBook workBook = WorkBook.Load(@"Spreadsheets\\GDP.xlsx"); VB C#. Sample: ExcelToDBProcessor. Each WorkBook can have multiple WorkSheet objects.

The BEST Way to Read a CSV File in C# CsvHelper Tutorial

WebNov 5, 2024 · This value could be // passed in dynamically at run time. // Variable columnQuery is an IEnumerable. // The following query performs two steps: // 1) use Split to break each row (a string) into an array // of strings, // 2) convert the element at position examNum to an int // and select it. var columnQuery = from line in strs let … Webusing System.IO; // include the System.IO namespace File.SomeFileMethod(); // use the file class with methods. The File class has many useful methods for creating and getting information about files. For example: Method. Description. AppendText () Appends text at the end of an existing file. Copy () Copies a file. philip morris international dividends

Reading and Writing CSV Files in C# - CodeProject

WebNov 5, 2024 · This value could be // passed in dynamically at run time. // Variable columnQuery is an IEnumerable. // The following query performs two steps: // 1) … WebReading .CSV files. Use ExcelReaderFactory.CreateCsvReader instead of CreateReader to parse a stream of plain text with comma separated values.. See also the configuration options FallbackEncoding and … WebJul 4, 2012 · For the most part, reading and writing CSV files is trivial. As the name suggestions, a CSV file is simply a plain text file that contains one or more values per … tru hilton northlake tx