private void button_Click(object sender, RoutedEventArgs e)
{
AddOvertime addOvertime = new AddOvertime();
addOvertime.mode = 1;
addOvertime.empid = empid;
addOvertime.Show();
}
private void edit_Click(object sender, RoutedEventArgs e)
{
var x = ((DMSIClass._Overtime)datagridview.SelectedItem);
AddOvertime addOvertime = new AddOvertime();
addOvertime.overtimeid = x.OvertimeID;
addOvertime.mode = 2;
addOvertime.empid = empid;
addOvertime.Show();
}