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I have one CB that is the states. I have another that is options available. I want to establish a rule that says if you choose a state, the other CB will only populate options available in that state.

Not sure I can do that.

Example: CB 1 = NY
CB2= Metro1

What I have tried:

Worked to build a code to reference but not working.
Posted
Updated 8-Mar-22 11:33am
Comments
Maciej Los 7-Mar-22 16:03pm    
Can you provide more details about the method you fetch data and bind it to the comboboxes?

Maybe you can use data-binding, see this CodeProject article: A Detailed Data Binding Tutorial[^]
 
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First you will need to know when the combo boxes Selection has changed. Based on the value, change the values of the second combobox.
 
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