Increase columns width in Silverlight DataGrid to fill whole DG width

Question

I have a DataGrid Control which is bound to a SQL Table.

The XAML Code is:

Answer 1

You can set it programmatically:

var col = new DataGridTextColumn();
col.Width = new DataGridLength(100, DataGridLengthUnitType.Star);                        
Grid1.Columns.Add(col);