C# - Saving a DataGridView to file and loading

Question

To start off, what I have is a simple Winforms app, with just a save and load button, and with a datagridview control to hold data. What I am looking to do is input some dat

Answer 1

Bind the DataGridView to a DataTable, and use the DataTable ReadXml() and WriteXml() methods to read and write the data to a file.

If you ever have multiple grids bound to multiple related tables, you can represent the schema with a DataSet and use the ReadXml() and WriteXml() methods of DataSet to read and write the whole schema.

There is an example on the MSDN page for DataTable.WriteXml() that you might find helpful.