Please give suggestios

I want to host Multiple data base in a single domain but im getting data base error please suggest the best way

Yes, it is possible to call multimple, two or more databases using code but we need to configure it properly and it would be better to keep those databases in one single hosting and mysql server. Get the data from multiple databases, put that into a single Business model object you might have and bind it to the grid. We need to use merge functions in case overwrite condition occurs.