I have extended form and I have added two dropdown controls A&B.
Now I want change the lookup of control B based on selected value of control A.
I have written code on OnEnter() event of control B but when debug the code I did not get the value of control A
Please suggest how to get selected value of control A on form OnEvent() of the control B
In fact I need to change the data source of the control B based control A value.