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Passing TableViewCellNumber to another view when clicked always null at first


Passing TableViewCellNumber to another view when clicked always null at first

By : user2949532
Date : November 17 2020, 01:00 AM
Does that help i have build a UIViewController will tableview, added the didSelectRowAtIndexPath to get the index of the row pressed and then set a global variable to hold the row number so as to use it in the next view controller , Make catIDTemp property in SecondViewController class
code :
@property (nonatomic, retain) NSString *catIDTemp;
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{    
    row = indexPath.row;
    NSLog(@"categories %ld", (long)row);

    SecondViewController *second = (SecondViewController *)[self.storyboard instantiateViewControllerWithIdentifier:@"StoryBordIdentifier"];;

   second.catIDTemp = [NSString stringWithFormat:@"%ld", (long)row]; 


    [self presentViewController:second animated:YES completion:nil];
}


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Passing value of item clicked in list view from one screen to another in android

Passing value of item clicked in list view from one screen to another in android


By : user3933372
Date : March 29 2020, 07:55 AM
wish help you to fix your issue I am trying to send the item clicked in list to another screen but getting an error... , If you are just trying to pass the String, all you need is:
code :
intent.putExtra("myString", selectedFromList);
String s = getIntent().getStringExtra("myString", "some default value");
        String selectedFromList = (String) (lv.getItemAtPosition(position));
        HashMap<String, String> o = (HashMap<String, String>) lv.getItemAtPosition(position);                   
Passing parameter from view to controller when button is clicked

Passing parameter from view to controller when button is clicked


By : TheAnalogKidCX1
Date : March 29 2020, 07:55 AM
To fix the issue you can do You haven't given us the code for your helper, but at a guess it writes out a label, a text field (textName), and a button. If this is the case, it will post / get companyName=someValue via HTTP back to your controller.
You would typically need to add a FormCollection to your controller if the fields are dynamically sent from the view. Alternatively, why not keep the name of the text search input static, e.g. name="search", which will bind to your controller's parameter of the same name.
What is the difference between passing nothing and passing null to View?

What is the difference between passing nothing and passing null to View?


By : Steamboat
Date : March 29 2020, 07:55 AM
may help you . From the view's point-of-view there's no difference. In fact, first method is just an overload for second, passing null.
Returning null when passing a string value of one view to label in other view in iphone?

Returning null when passing a string value of one view to label in other view in iphone?


By : Daniel W
Date : March 29 2020, 07:55 AM
hope this fix your issue At the time of passing value to IBOutlet UILablel before adding subview is not allocated (has no memory reference).
So better way is to pass your value after adding subView.
code :
[self.view addSubview:gp.view];
gp.d.text=[NSString stringWithFormat:@"%@",nam];
Create property of NSString in SecondViewController say yourString.
SecondViewController *gp=[[SecondViewController alloc]initWithNibName:@"SecondViewController" bundle:[NSBundle mainBundle]];
gp.yourString = [nam retain];
[self.view addSubview:gp.view];
self.d.text = self.yourString;
How to prevent view from passing its model to the partial view, but instead pass null?

How to prevent view from passing its model to the partial view, but instead pass null?


By : Asfand Ali
Date : March 29 2020, 07:55 AM
With these it helps In ASP.NET MVC and using Razor, I have a View (parent) calling another View (child) as partial. Both are strongly typed but they have a different Model type. , Try this:
code :
@Html.Partial("Child", null, new ViewDataDictionary<ChildType>(childInstance/*this can be null*/))
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