Subscribing to the desired events for each cell in the DataRowTemplate will, once the grid is populated, also subscribe each cell in the grid to the same events. However, in order to do this, the grid’s DataSource must be set between calls to the BeginInit and EndInit methods.
When binding the grid to a data source by setting the DataSource and DataMember properties or calling the SetDataBinding method during calls to BeginInit and EndInit, the column definitions (not their values) are still read from the data source. This allows you to subscribe each cell in the DataRowTemplate to the desired events. For example: