how to convert a code of C# form to C# wpf

Question

I want to convert the following code from C# forms To C# wpf

for ( i = 0; i < dataGrid1.Items.Count - 1; i++)

                        {

                            MSMS_Number = dataGrid1.Columns..ToString();

                            MMessage = dataGrid1.Items[i].ToString();

                            MessageBox.Show(MSMS_Number.ToString());

                            MessageBox.Show(MMessage.ToString());

}