Hello rs80,

Thank you for contacting Infragistics!

In order to freeze a column, you may include ColumnFixing behavior. For more information on ColumnFixing, please refer to the following documentation:

http://help.infragistics.com/Help/NetAdvantage/ASPNET/2013.1/CLR4.0/html/WebDataGrid_Column_Fixing.html

You may also refer to the following samples:

http://ko.infragistics.com/products/aspnet/sample/data-grid/column-fixing-client-side

http://ko.infragistics.com/products/aspnet/sample/data-grid/column-fixing-server-side

If you have any questions, please let me know as well.