//对话框载入 private void DepositForm_Load(object sender, EventArgs e) { dgvExpense.ColumnHeadersDefaultCellStyle.Font = new Font("宋体", 20); dgvExpense.RowsDefaultCellStyle.Font = new Font("宋体", 20); dgvExpense_show(); moneyExpense.Text = BathClass.get_room_expense(m_Seat, db, LogIn.connectionString).ToString(); }