how to pass value

hi ,i have two form in my project. in that first screen i have three textboxes for
user id
password
Data Source

if i fill that and click that submit button this details has to be sit in the connection string which is in the next form
the folowing thing is in the second form:
conn = New OracleConnection("User Id = ; password = ; Data Source = ")
conn.Open()

now u can see if i give that user id,password,datasource in the first screen this details has to come to second form and fill in the appropriate place.so please tell me how to do?give me coding for that.

Read the first tutorial link in my signature (all three parts). It is essential reading and will explain how to treat forms as objects and pass data between them.