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The first drop-down box modifies the data, and the second should synchronize the changes.How do I change the first drop-down window and then the second drop-down window to synchronize the changes.

Hi @491114473 can u explain ur query clearly?

like: * Select the drop-down box first :JH.09|JH09 ,

  • The second drop-down box displays the following information :
    JH.09.01|beijing
    JH.09.02|shanghai
    JH.09.03|nanjing
  • Select the drop-down box first :JH.05|JH05 ,
  • The second drop-down box displays the following information :
    JH.05.01|guangdong
    JH.05.02|shanxi
    JH.05.03|shengzhen

Now I use the SetText activity to modify the first drop down box, the second drop down box does not change.I don’t know if you understand

Hi @491114473 instead of set text activity can u try with select item activity? It will help to select the options from dropdown

Thank you for your advice!The select activity has been tried, and the same as the set text activity, the second drop-down box has not changed.I’ve tried a lot of things but I can’t solve them.need your help!

After selecting the first drop-down put a delay activity so that second drop-down get time to refresh to show the options

Try to schedule a delayed activity, The second drop-down list remains unchanged and does not refresh.Do you have a better way?