Silly me, I thought that manipulating columns in a datagrid control would be real easy. However, when you start looking for the columns collection, it's not easy to find. Where is it? Located deep down in the TableStyles collection of DataGridTableStyles which contains a collection of DataGridColumns. You can have a DataGridBoolColumn or a DataGridTextBoxColumn. The DataGridTextBoxColumn is what you use to hold any value that is not a Boolean value I guess. You can then set various properties of...