问表视图单元格中从plist显示数组的问题

EN

    //course is a nsdictionary which is pass down from the previous view
    stages = [course objectForKey:@"Stage"];

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
NSInteger rows = 0;

if (section == 0){
    rows = 1;
}

if (section == 1) {
    return [stages count];
}
return rows;
}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {

static NSString *MyIdentifier = @"StagesCellIdentifier";
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:MyIdentifier];

if (cell == nil) {      
    cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleValue1 
}   
// Set up the cell

if (indexPath.section == 0) {
    if (indexPath.row == 0) {
        cell.textLabel.text = @"Project Name";
        cell.detailTextLabel.text = [course objectForKey:@"ProjectName"];;
    } 
}

if (indexPath.section == 1) {
    cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator;   

    NSString *cellvalue = [stages objectAtIndex:indexPath.row];     
    cell.textLabel.text = cellvalue;
}   
return cell;
    }