Initiates a connection to the specified database using the specified connection parameters.
procedure Connect(const AProviderName: string; const ADialectName: string; const AConnectionString: string); overload;
Call Connect to initiate a connection to the database.
Calling Connect generates a TEntityConnection.BeforeConnect event, establishes the connection, sets the TEntityConnection.Connected property to True, and generates an TEntityConnection.AfterConnect event. In addition, when calling Connect TEntityConnection may display a login dialog, depending on the value of TEntityConnection.LoginPrompt.