how to autofill a field in subform based on main form (1 Viewer)

[sami1900]

I have a field which I want make it takes its value from the main form. For example, I have a field in main form [Saled Quantity] and the same field in subform and I entered 1000 in the main form as value, I want this value shows in the subform directly.

same Value with one entry in each form

many Thanks

 

[Uncle Gizmo]

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