Create ToolTip on Silverlight DataGridTextColumn that is different from the bound cell contents
I have a DataGridTextColumn in a Silverlight 4 DataGrid and I want to set a ToolTip value on the column that is different from the bound value. I know I can do this with a templated column quite easily - but it adds a huge amount of extra XAML and makes it cumbersome to read and maintain. This works, but is a lot of extra code - especi...