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Grid tricks for renaming database fields and controls....

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    Grid tricks for renaming database fields and controls....

    Hi All,

    Sometimes we need to change one or more field names in the database and then update an already made grid with the new names. What I am doing now is the following:
    1. Refresh the grid connection to get the new fields.
    2. New fields are added to the list in the detail grid view and then I have to select the new ones and remove the old ones.
    3. At this point, any property I have customized in the old fields are lost, specially lookups, etc.

    Is there a way or trick to hack the grid and simply rename the old fields with the expected new fields?

    Edhy Rijo
    (Computer Consultants)
    The makers of CardTracking.Net

    Re: Grid tricks for renaming database fields and controls....

    You could try "hacking" your SELECT statements. EG, you rename your FNAME and LNAME fields to FIRST_NAME and LAST_NAME in a table. Your original select:

    Your new select:
    I believe the grid will update the fields appropriately. You will still need to go through all the fields, though, and makes sure they're working properly. I've noticed that sometimes when I make an update to a table & update the respective grid, it loses its linkage to other grids/dialogs. Building against a view instead of the tables directly would, potentially, avoid this issue since you could update the view and not have to mess with the grids at all since you could employ the same SELECT AS in the view rather than the SQL Builder.

    Given that you are changing the table structure, however, and Alpha's tight coupling of data to display, trying to shortcut the update process is just asking for all sorts of trouble.
    Alpha Anywhere latest pre-release


      Re: Grid tricks for renaming database fields and controls....

      Hi Sarah,
      Thanks for the suggestions. I would really like to see an option to rename a field in grid detail view since it is really a painful to make many changes.

      Not that I have to rename fields all the time, but sometimes I have table structure that are almost the same, and using the "Duplicate" grid option is very useful, but at the end, I would have to re-define all the properties for each field which it is time consuming.
      Edhy Rijo
      (Computer Consultants)
      The makers of CardTracking.Net