How to Create SubReport?

[BElSabbah]

I am having porblem in Creating a subreport depending on a feild in my main report
in another words i have a report that contain data all i want to know is how i could link one of the fields in the result to open another subreport contain data grouped by this field

 

[kpdave]

Right click on the subreport control on the main report, select change subreport links, select the field in the main report (container report) to link to then select the matching subreport field.