I have this code it is work almost correctly but now this code populated data to ALL comboboxes at the time(in the start of UI) the User open the UI.
I need to split the code so when the User select value in combobox corporationCode1 I will advance to combobox WorkSpaceCorporation
for some like this if user select something in combobox CorporationCode1 so advence to combobox WorkSpaceCode..
There is a code/
void Window_Loaded(object sender,
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