The suggested approach for binding to a SASS instance that requires an authentication is to use a server proxy. The proxy will request the cube and will perform the authentication hidden for the widget. This is the preferred way, because thus you will not expose sensitive information to the client (browser).
In the Microsoft world the solution is to use ADOMD. This is discussed in this forum thread
The other option is to send the credentials with a request header, even though thus the username and password will be visible on the client side (browser). If this is the way you would like to go, then I will suggest you review this StackOverflow discussion
to understand how to pass credentials with request headers. You can pass the required callbacks and setting to the transport.read
object as it is passed directly to $.ajax.
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