Transfer Text From MDI Child Form To MDI Parent Form

Hi All
I have a Problem

I have a Parent Form F1 and it has a label. While On Form Load(F1),The form F2 Will be Appeared In Form F1 and That From F2 has a Button and A label , While i was click on button Form F2 will be hide and Label text(F2) that has to be copied to Label that has present in Form F1.

and the condition is the main form F1 doesn't have a menu strip or other controls  and it should not create anther instance of Main Parent form F1


while i was  trying to Transfer Label Text From MDI Child Form To MDI Parent Form  the label data wasn't transferred, Please Help me to solve this problem


Thanking You..

if you have a code or project regarding this problem you can send me mail [email protected]