I am using VS2005. I add a column to a DataTable in a DataSet.
Can Iuse custom function in the DataColumn.Expression?

AD.NET 2.0: BindingSource and Parent Child relationship
DataColumn.Exression and string formatting
How do I assign a typed DataTable to its typed DataSet?
Datagrid calculated column not updating
Manipulating data on input w/ TableAdapter & Dataset.