GAGobinath A Syncfusion Team October 1, 2013 04:05 AM UTC
Sorry for the delay in getting back to you.
We have analyzed your requirement. We regret to inform that we do not have support for displaying the
group header only if there are more than one record in that group. But we have
prepared a workaround that tries to meet your requirement by hiding the group
row header. Since we hide the row header, the records which do not have group
header seems that they belong to previous group.
You can download the sample in the following