i am also try with same machine in splunk and snort that way also i am not getting dashboard like data and then
i just manually data add in snort.log in splunk at that time also i am not getting the dashboard data
Co-locating Splunk and Snort is not sufficient. You must tell Splunk where to find the Snort data and how to process it. Have you done that?
What steps did you take to manually add the Snort data? What sourcetype did you choose? What index did you choose? The index and sourcetype names must match those expected by the dashboard.
That app is very old so it may not be working properly under newer versions of Splunk.
How are you feeding Snort data into Splunk? It's not enough to just install the Snort app. Did you also enable the appropriate inputs as per the documentation?