pass datagridview between two forms

Question

I want to pass datagridview from this form "itemsManagement" to "editItems" form

public partial class itemsManagement : Form

{

public itemsManagement()

{

InitializeComponent();

this.ActiveForms = new Dictionary();

}

private Dictionary ActiveForms;

private void showform() where TSource : Form

{

Form form = null;

if (this.ActiveForms.ContainsKey(typeof(TSource)))

{

form = this.ActiveForms[typeof(TSource)];

form.WindowState = FormWindowState.Normal;

form.ShowDialog();

}

else

{

form = Activator.CreateInstance();

form.FormClosed += form_FormClosed;

form.ShowDialog();

this.ActiveForms.Add(typeof(TSource), form);

}

}

private void form_FormClosed(object sender, FormClosedEventArgs e)

{

this.ActiveForms.Remove(sender.GetType());

}

private void editItemToolStripMenuItem_Click(object sender, EventArgs e)

{ 

this.showform(); 

} 

 please help me