Checksum error when not displaying [row selector]

Hi !
In my tabular form, I need no row selector, so I unchecked the check box "Show" on the "Report Attributes" page.
But this leads to a checksum-error when updating a record and pressing "Submit".
What's the reason and why does it happen ?
Heinz

Hi Patrick.
No I've not tried it, bit I will try it after Christmas and post the result.
I've realized, that changing a column from "Text field" to "Standard Report Column" or vice versa may lead to checksum errors - but I have no idea how and why a non-database field like the row selector has influence upon the checksum - again some misterious behavior of ApEx tabular forms.
Heinz

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        [webView loadRequest:[NSURLRequest requestWithURL:[NSURL URLWithString:@"http://www.google.com"]]];
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     [self.navigationController pushViewController:detailViewController animated:YES];
@end
Here is my videoURLController (second view/web view) .h file?
#import <UIKit/UIKit.h>
@interface videoURLController : UIViewController
@property (strong, nonatomic) IBOutlet UIWebView *webView;
@end
Here is my videoURLController (second view/web view) .m file?
#import "videoURLController.h"
@interface videoURLController ()
@end
@implementation videoURLController
@synthesize webView;
- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
    if (self) {
        // Custom initialization
    return self;
- (void)viewDidLoad
    [super viewDidLoad];
// Do any additional setup after loading the view.
- (void)viewDidUnload
    [super viewDidUnload];
    // Release any retained subviews of the main view.
- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
    return (interfaceOrientation == UIInterfaceOrientationPortrait);
@end

2 screens open at the same time - checksum error when saving 1st screen

I have a problem with one of my applications (built in HTML DB v1.6)
In the application, there's an overview of the records, with a link to a detail-screen which has all the fields of the record are displayed (so basically what you get when you choose "Form on a Table with Report, 2 Pages" when you create a new page). This detail-screen opens in a new window, because the overview takes quite a while to load. So instead of going to a detail-screen and then going back to the overview, the detail screen opens in a new window, the user updates it, and then closes the window after saving.
Now here's the problem: when you open a detail-screen for one record, and then open another detail-screen for a different record, an error occurs when you try to save the record from the first screen you opened: "Current version of data in database has changed since user initiated the update process. Current checksum = ...., application checksum = .....".
The thing is, the 2nd detail-screen you open can be saved without any problems. I guess this is because the checksum in the session is the one from the 2nd screen, so the one from the 1st screen is obviously a mismatch to the one in the session. If I'm wrong about this, please let me know.
But now the question: is there any way to fix this, that it is possible to open multiple screens, and still be able to save them ?

hi Scott
application id: 34977 (named Asterix 2.1)
workspace: Athylon
instructions:
-Log in with test/test (not for the workspace, but for the application)
-Then you'll get the main report (page 30 in the app), where at first you won't see data, just a few fields you can fill in. You don't need to fill in anything, though.
-Press "Zoeken" (dutch for "search"), and you will get some data. You dont need to fill in any of the fields above the report.
-Now it should show 2 lines, with different values for column POD.
-If you click the number under column POD, it will open the details of the line in a new window (page 31 in the app). Click the first record, so that will show the details. don't close the window, but go back to the original window and open the details for the 2nd line. You should now have 3 windows: the report, and two screens with the details for both lines.
-now go to the screen which has the details for the record you first opened. Change a field, for example "Comments" (it has some numbers in it, or "some comments" as text). It doesn't really matter what you enter here.
-Click the button "Opslaan" ("save" in dutch) in the top right corner. Now you should get the error that the checksum is incorrect (and in dutch that it can't save the record).
I hope you can identify the cause of this error, because I could not reproduce this in a new application, and I don't see why this error occurs. Not a lot happens when the record is being loaded.
thanks in advance for your time,
Tonnie
Message was edited by:
tonnie

Getting No checksum error when trying to delete uploaded file

When trying to delete an uploaded file I get the following error :-
No checksum was provided to show processing for a page that requires a checksum when one or more request, clear cache, or argument values are passed as parameters.
I have a tabular report displaying the uploaded files with one of the columns showing a delete icon.
When you select the delete icon it has Column Link details of the following
Link Text : <img src="#APP_IMAGES#del.gif">
Link Attribute : &APP_ID.
Target: URL
Url:
javascript:confirmFileDelete(htmldb_delete_message,'f?p=&APP_ID.:11:&SESSION.:REMOVE_ID:&DEBUG.::P11_DELETE_ID:#FILE_ID#');
The above was working till I turned on the Session State Protection.
I believe I need to add a checksum to my url via the pl/sql package apex_util.prepare_url but can someone please show me how to do from my URL????
Thanks in advance
Keith

Keith,
Why not do the following then...
I think confirmDeleteFile is a custom function correct? As the second parameter, just pass in the file ID. Then in the function use JavaScript to set the value of P11_DELETE_ID to the file ID. Then call doSubmit('REMOVE_ID');
Regards,
Dan
http://danielmcghan.us
http://sourceforge.net/projects/tapigen

Checksum error when not displaying [row selector]

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