I'm relatively new to DNN module development.  I'm working on a module that requires that I be able to update the value of a custom field that I have added to the user profile thru the DNN Admin screen.  I have no problem updating the value thru Admin --> User Accounts --> Manage Profile screen.  I also have no problem reading the value of the field from my module using the following code:

CType(UserInfo.Profile.GetPropertyValue("CustomField"), Integer)

However, when I try to modify this field using the following code it doesn't update the field.  I don't get an error but the field does not get updated.

This is placed at the top of the code behind page with the other import statements:
Imports DotNetNuke.Entities.Profile

This code is in a subroutine:
        Dim objUser As UserInfo = UserController.GetCurrentUserInfo()
        objUser.Profile.SetProfileProperty("CustomField", UserCustomField)
        UserController.UpdateUser(PortalId, objUser)

The only time that I would be updating this value is if there wasn't previously a value associated with it.  I don't know whether that is the problem and I have to create the field for the user prior to updating it or whether I'm doing something else wrong. If I need to create the field first then I could use some guidance as to how to do this.

Any help would be greatly appreciated.

I tried using the code you suggested but in the process I found a logic error in my code.  Once fixed the code that I had in place worked the way it was.  I really appreciate your taking the time to help. Trying the code that you suggested and checking out how far in the process I had gotten so that I could answer your suggestion is what led me to discover the error of my ways.  Thanks again.