XML Serialization

Save and Load

Save worksheet into file or stream as xml:

var sheet = grid.CurrentWorksheet;
sheet.Save(@"d:\path\grid.rgf");

XML Format

Load grid from file:

sheet.Load(@"d:\path\grid.rgf");

or save or load via stream:

var stream = ...
sheet.Save(stream);  // save into stream
sheet.Load(stream);  // load from stream

Next: Formula