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|Interface a second DataColumn drop down|
|Thu, Apr 28 2016 7:37 AM||Permanent Link|
I am creating a new component and need a second column like the DataColumn drop down that is tied to the currently selected DataSet. Let's call it DataColumnNextField.
How can this be accomplished?
|Thu, Apr 28 2016 9:07 AM||Permanent Link|
Attached is a demo with the interface file included.
NOTE, 'New York' does not appear in the drop down, but the value is stored in the StringList.
Is this the result of a bug, or an error in my code?
|Thu, Apr 28 2016 9:48 AM||Permanent Link|
Tim Young [Elevate Software]
Elevate Software, Inc.
<< Is this the result of a bug, or an error in my code? >>
It's an error in your code. Your BuildDropDown should look like this:
with DataSet do
while not EOF do
ItemIndex := 0;
You're essentially binding a column to the same dataset that you're navigating in this method.
|Thu, Apr 28 2016 10:37 AM||Permanent Link|
Yep! That worked. Thanks.
<< ... a second column like the DataColumn drop down that is tied to the currently selected DataSet >>
In my demo, how can the DataColumnID property drop-down appear like the DataColumn property drop-down?
I have spent quite a bit of time trying to get this to do so, but to no avail.
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