str_day = If(Datetime.Now.Dayofweek.ToString.ToUpper.Equals(“MONDAY”), “3”, If(Datetime.Now.Dayofweek.ToString.ToUpper.Equals(“SUNDAY”) and Datetime.Now.Dayofweek.ToString.ToUpper.Equals(“SATURDAY”),String.Empty,”1”))
This expression will assign string value to str_day based on the condition that if it is between Tuesday - Friday then value “1” will be assigned
And
If the dayofweek is Monday then “3” will be assigned to str_day
Or empty value will be assigned to str_day if it is Sunday or Saturday
Then this str_day string variable can be used in the attribute along selector of click activity to click that radio button