private void buttonPrint_Click(object sender, EventArgs e) { if (formPrintEmployeePayroll == null || formPrintEmployeePayroll.IsDisposed) { formPrintEmployeePayroll = new FormPrintEmployeePayroll(); } //formPrintEmployeePayroll.aa = this.dataGridViewPayrollTable.CurrentRow.Cells[3].Value.ToString(); //formPrintEmployeePayroll.c = this.dataGridViewPayrollTable.CurrentRow.Cells[4].Value.ToString(); formPrintEmployeePayroll.b = Int32.Parse(this.dataGridViewPayrollTable.CurrentRow.Cells[4].Value.ToString()); //formViewAttendanceReportList.Parent = ; formPrintEmployeePayroll.Show(); }