i tried but it is not working help me

Question

1. FrmSchedulingScreen design as follows in datagridview;

Date Session column  name column name column name column name

2. FrmLoadingDetails design as follows;

Listbox1   Button    List box 2

     RK         Load      RK

     CK         ADD       CK

when i click the load button all faculty code are retrieved from the database and displayed in List box 1.

then i select the faculty code from  List box 1 and click the ADD Button that selected faculty goes to List box 2.

from the above is working fine.

but i want that selected  faculty code go to FrmSchedulingScreen  in datagridview column.

I want the output as follows in FrmSchedulingScreen  

Date session RK CK

for getting the above output i write the code in FrmSchedulingScreen   as follows in the button;

            FrmLoadingDetails frmloading = new FrmLoadingDetails();

            datagridView.Columns = FrmLoadingDetails. List box 2

the above coding is correct? how can i do please help me.