How to pass a datasource string to Crystal Reports

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VB

Dear Friends.

I am working on a project in VB.Net. I need to add some reports in my project. But here in VB.Net, I did not found any way to pass a string (which contains Connection info and Data Source, Database info) to Crystal Reports.

So, I am using a string (StrInfo) which is picked up from a text File (DB.txt). I have done this because I want that If I need to change the Path of My Database File, I will just change the Text File (DB.txt) and The string (StrInfo) will get the path from text file. So Therefore, I want to pass the string to crystal reports.

Please tell me some way.