Tag Archives: data

Write a CSV file from an array in C#

Posted on April 15, 2018 by RodStephens

The example Read a CSV file into an array in C# shows how to load a CSV file into a two-dimensional array of strings. This example does the opposite: it saves a two-dimensional array of strings into a CSV (comma-separated … Continue reading →

Posted in database, files, strings | Tagged C#, C# programming, comma-separated-value, comma-separated-value file, CSV, csv file, data, database, example, example program, files, read csv file, read file, strings, Windows Forms programming | Leave a comment

Use a TextFieldParser to read fixed-width data in C#

Posted on February 11, 2017 by Rod Stephens

This example uses a TextFieldParser object to load fixed-width data from a file that contains names and addresses. Each field has a fixed width. Some records also have ZIP+4 format ZIP codes (for example, 08109-2120) and the program should discard … Continue reading →

Posted in classes, database, files, parsing | Tagged C#, C# programming, classes, data, data file, database, delimited fields, example, example program, files, fixed-width data, fixed-width fields, parse fields, parsing, TextFieldParser, Windows Forms programming | Leave a comment

Use a TextFieldParser to read delimited data in C#

Posted on February 10, 2017 by Rod Stephens

This example uses a TextFieldParser object to parse a data file that contains name and address data. The data contains fields delimited by commas and semi-colons. Some records also have ZIP+4 format ZIP codes (for example, 08109-2120) and the program … Continue reading →

Posted in classes, database, files, parsing | Tagged C#, C# programming, classes, data, data file, database, delimited fields, example, example program, files, parse fields, parsing, TextFieldParser, Windows Forms programming | 2 Comments

Copy data in a two-dimensional array into a ListView control in C#

Posted on September 10, 2014 by Rod Stephens

The CopyArrayToListView method shown in the following code copies data from a two-dimensional array into a ListView control. // Copy a two-dimensional array of data into a ListView. private void CopyArrayToListView(ListView lvw, string[,] data) { int max_row = data.GetUpperBound(0); int … Continue reading →