public void SetToClaim(claim toUse, bool showAsIs) { dgvMain.Rows.Clear(); foreach (claim_status_history csh in toUse.GetClaimHistory(showAsIs)) { string dateString = ""; if (csh.date_of_change != null) { dateString = csh.date_of_change.Value.ToShortDateString() + " " + csh.date_of_change.Value.ToShortTimeString(); } dgvMain.Rows.Add(new object[] { csh.LinkedUser.username, dateString, csh.CreateChangeText() }); } }