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POa way to remove empty value from the tableview?
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  1. POa way to remove empty value from the tableview?
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    copied!<p>New to objective c. I am using <code>NSArray</code> to populate my <code>UITableView</code>. is there a way to remove the blank from the array and from the <code>cell.textLabel.text</code>. This is what i have done:</p> <pre><code>- (void)viewDidLoad { [super viewDidLoad]; alTableView.delegate = self; alTableView.dataSource = self; NSArray *BusRoute = alightDesc; int i; int count = [BusRoute count]; for (i = 0; i &lt; count; i++) { NSDictionary *STEPS = [dic valueForKey:@"STEPS"]; alDescArray = [[STEPS valueForKey:@"AlightDesc"] retain]; boardDescArray = [[STEPS valueForKey:@"BoardDesc"] retain]; NSLog(@"boardDescArray = %@", boardDescArray); serviceID = [[STEPS valueForKey:@"ServiceID"] retain]; } } - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { static NSString *CellIdentifier = @"Cell"; UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier]; if (cell == nil) { cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier] autorelease]; } cell.textLabel.font = [UIFont systemFontOfSize:14]; //Change this value to adjust size cell.textLabel.numberOfLines = 10; cell.textLabel.text = [NSString stringWithFormat:@"Walk to and board at %@\nTake Bus Service = %@\nAlight Destination = %@",[boardDescArray objectAtIndex:indexPath.row], [serviceID objectAtIndex:indexPath.row], [alDescArray objectAtIndex:indexPath.row]]; NSLog(@"cell = %@", cell.textLabel.text); return cell; } </code></pre> <p>At the second cell print out, Walk to and board at <code>(Null)</code> is there a way to remove that sentence from the table?</p> <p>Results:</p> <pre><code>alDescArray = ( "OPP", "OPP", "OPP" ) boardDescArray = ( "BLK", "AFT", "" ) serviceID = ( 66, 43, 72 ) cell = Walk to and board at BLK 7 Take Bus Service = 11 Alight Destination = BLK 11 cell = Walk to and board at Take Bus Service = 3 Alight Destination = BLK 16 cell = Walk to and board at BLK 38 Take Bus Service = 9 Alight Destination = AA </code></pre> <hr> <p><strong>Update Ans</strong></p> <pre><code>- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { static NSString *CellIdentifier = @"Cell"; UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier]; if (cell == nil) { cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier] autorelease]; } cell.textLabel.font = [UIFont systemFontOfSize:14]; //Change this value to adjust size cell.textLabel.numberOfLines = 10; NSString *boardDesc = [boardDescArray objectAtIndex:indexPath.row]; NSString *serviceId = [serviceID objectAtIndex:indexPath.row]; NSString *alDesc = [alDescArray objectAtIndex:indexPath.row]; NSLog(@"serviceId - %@",serviceId); NSString *resultString2 = [NSString stringWithString:@""]; //make a check before making the string if ([boardDesc length]&gt;0) { resultString2 =[resultString2 stringByAppendingFormat:@"Walk to and board at %@,",boardDesc]; } if ([serviceId length]&gt;0) { resultString2 =[resultString2 stringByAppendingFormat:@"Take Bus Service %@: ",serviceId]; } if ([alDesc length]&gt;0) { resultString2 =[resultString2 stringByAppendingFormat:@"Alight Destination %@: ",alDesc]; } //string that doesnot print null values NSLog(@"resultString2 - %@",resultString2); cell.textLabel.text = resultString2; NSLog(@"cell = %@", cell.textLabel.text); return cell; } </code></pre>
 

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