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Forums > Product Discussion - DotNetNuke Modules > Dynamic Forms
Any way to use tokens to write generic SQL?
Last Post 01-18-2008 04:30 PM by Chad Nash. 1 Replies.
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Mark BurggrafUser is Offline
new to the springs
new to the springs
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01-18-2008 09:30 AM

    If I want to create forms that are portable to other portals in the future, shouldn't I try make the embedded SQL portable as well?  For example, I have a SQL statement to drive my Region (State) dropdown list:

    select Text as QuestionOption,Value as QuestionOptionValue from ABC_Lists where listname = 'Region' order by Text

    where ABC is the name of my portal.  But what if I want to export this form and give it to someone using a different portal (and thus, has a different table prefix?  Is there a token available that would allow me to make this generic?

     
    Chad NashUser is Offline
    Posts:5260
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    01-18-2008 04:30 PM
    Hi. Well this is not an option but I really don't think it would be as useful or used as much as you would think. When reviewing this, there are a few options which I think would be a 'better approach'.

    Option 1: Use a stored procedure... Within the stored procedure and/or view you could pass the portalID. So something like:
    exec sp_pullregions $(PortalID)


    Then the stored procedure would probably have either if statements or select case statements which would pull in the questionoption and questionoptionvalue from the appropriate table


    Option 2: Use a view instead of a table, this way the query would not ever change per forms module and you would just have to change the view per portal or server

    Select Text as QuestionOption, Text as QuestionOptionValue from vw_lists_region

    etc... You could setup individual views for region, country, and so forth or you could also just use a single view and add the listname to the SQL when pulling from the view just like you do the query.


    Option 3: Are these portals/databases all on a single database server? If so you could always use a single table with your questions and options in it and then pass the portalID.

    Example: Select Text as QuestionOption, Value as QuestionOptionValue from YourCustomTable where PortalID = $(PortalID)

    -Chad
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