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Mitch
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UltraWinGrid FieldChooser blows up with key cannot be found when switching between datasources
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Hi,

I am using an UltraWinGrid to display properties of SQL database tables in the switchboard screen of my app.

All of the databases involved, except 1, recieve the data in the same format. That last database has a join to a definitions table I am using. This makes their set of field names different. ... i think I just answered my own question as to how to workaround... but.

That doesn't let you guys off the hook :)

If I have opened the Field Chooser and then switch between those two databases then the whole app flushes with the dreaded key not found error.

I looked very hard but found no way to access and so catch anything to do with the FieldChooser from the model. The examples I found that gave me hope are for WPF...

I am going to force the two datasources to have the same field names and try to just adjust the visibles and 'hide from FieldChooser' settings on the fly ... that should do it...

Mind you if this blows up to when I hide the fields from the field chooser, too, I can name a certain Fortune 500 company that will be taking a closer look at certain Brand X control packages.... :)

Thanks in advance guys,

Mitch

 

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  • 469350
    Offline posted

    Hi Mitch,

    I'm having a little trouble following you. By "Field Chooser", I assume you mean the UltraGridColumnChooser. Is that right? Or are you using some other component I am not familiar with?

    If changing the DataSource on your grid is blowing up the Field Chooser, that's clearly a bug. That should not happen. Are you sure it's the ColumnChooser blowing up and not something in your code, like maybe you are trying to reference a grid column using a Key that no longer exists in one of the grid's events?

    Can you post the call stack of the exception, or better yet a sample project demonstrating the exception?

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