Pick a subject area at run time and create an analysis on this subject area.

Question

We have a requirement wherein we need to create analyses at run time. We want to give the flexibility to users to pick up a subject area on which they wish to create an analysis. This will be done through a dashboard prompt. Once the user picks up a subject area from the prompt, we will create the analyses at run time based on the selected subject area.
The problem that we are facing at this point is how to create a dynamic 'FROM' clause for the analysis. As an example, consider the following scenario:
1. There is a dashboard prompt called 'Select a DataStore'. The possible values are all the subject areas in the RPD. For simplicity, lets assume there are two values DS1 and DS2.
2. If the user selects DS1, the analysis sql should be:
select <colgroup1>, <colgroup2>
from DS1;
However, if the user selects DS2, the analysis sql should be:
select <colgroup1>, <colgroup2>
from DS2;
Hence the requirement for a dynamic FROM clause.
I tried using a presentation variable in the from clause but I get the sql syntax error.
Is there a way of implementing this requirement?

Answer 1

To work around the license issue, see the Microsoft Knowledge Base article LICREQST.EXE Requesting a License Key from an Object and download licreqst.exe. Run licreqst.exe and find "CWUIControlsLib.CWSlide.1" under the registered controls section and click on it. The license string at the top can be passed to Licenses.Add and then you should be able to dynamically create the Measurement Studio controls. For example:
Private Sub Form_Load()
Licenses.Add "CWUIControlsLib.CWSlide.1", "[Add license string from licreqst here]"
Dim slide
Set slide = Controls.Add("CWUIControlsLib.CWSlide.1", "slide")
With slide
.Top = 120
.Width = 1215
.Visible = True
End With
End Sub
Creating controls like this would have an impact on performance since all calls are late bound. If you are using the Measurement Studio controls in a UserControl, though, you should not need to do this since the license would get compiled into the binary that contains the control. I don't think that you would have any problems creating your control since it would not be licensed.
- Elton