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See more: iPhone Objective-C iOS
// This is deletion button - (IBAction)deletedata:(id)sender { NSArray *data1 = [[DBManager getSharedInstance]deletebyregisterno: findByRegisterNumberTextField.text]; if (data1 == nil) { UIAlertView *alert = [[UIAlertView alloc]initWithTitle: @"Data not found" message:nil delegate:nil cancelButtonTitle: @"OK" otherButtonTitles:nil]; [alert show]; } else { NSLog(@"delete success"); } } // this is in DBManger : NSObject -(NSArray*) deletebyregisterno:(NSString*)registerNumber { NSLog(@"here"); const char *dbpath = [databasePath UTF8String]; if (sqlite3_open(dbpath, &database) == SQLITE_OK) { NSLog(@"here inside"); NSString *querySQL1 = [NSString stringWithFormat:@"delete from studentDetail where regno=\"%@\"",registerNumber]; const char *querySQL1_stat = [querySQL1 UTF8String]; if (sqlite3_prepare_v2(database, querySQL1_stat,-1, &statement, NULL)== SQLITE_OK) { if (sqlite3_step(statement) == SQLITE_DONE) { return YES; NSLog(@"Deleted row"); } } else { return NO; } sqlite3_reset(statement); } return nil; } on clicking deletion button is dispalys no data found... what is wrong in it....
Posted 15-May-13 21:21pm

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