how to pass the values between the datagridview's in different pages

[C# Programming]

Hello,

In my application i am having two forms.

In the first form i am having a textbox and in the

second form i am having a datagridview and a button back.

when the button back is clicked i like to get the data from the

datagridview to the textbox in the first form.

Please help me how i can do this.

I have no sound about this....plz help me

Thanks in advance