how to connect mdf file to a crystal report without user name and password.

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database

CrystalReports

1. i have just created a new database (Service Based DAtabase with .mdf extension) in app_data folder.

2. i can fully work with this but not with crystal reports.

3. i have created a report by using this database but when i tried to show it, it is asking me for user name and password

4. i have not provided any user name and password while creating this database, nor it asks me to set a user name or password

5. now what user name and password will be used for this? blank user name and password is not acceptable.

6. it is also not working with the integerated security is true

Please help me in this matter i will be greatefull to you.