How to change parameter to accept any case

Question

Hi Gurus,
I created a report using SSRS (SQL Server Reporting Services) using report builder. I need help or advice in two problems am facing.
I have a parameter as LASTNAME, but when i type 'smith' i do not get any results and when i type in 'SMITH' i get results, how can i change such that the user can type any case and still get the results. I went to the dataset properties and set the CASE
SENSITIVITY to false, but still no change in the functionality.
Secondly i want to add a new parameter casenumber, what i want is the user can enter value EITHER in the LASTNAME or CASENUMBER, for example if i enter SMITH in the last name field and leave the case number field blank it should still render the records
and the same way if i leave the last name blank and enter a value in  the casenumber it should render records.
Please need advice.
Thanks

Answer 1

For the case sensitivity issue you could convert what ever the user inputs to upper case in your sql "UPPER(@name)".
For the different parameter you could create a parameter that asks the user what he wants to input, name or case number. Then depending on what they select modify your where clause in SQL based on that parameter value.
ie.  WHERE (@filterBy = 'Name' AND Name LIKE '%+@paramValue+%') OR (@filterBy = 'Case' AND Case LIKE '%+@paramValue+%')
If you would like them to be able to filter by either or both but not have to input both then you could concatenate '%' to both ends of each variable an use like statements.  You would have to change your report parameter to accept blank value.