How to select the first Row in RadGrid

[Srini]

Hi All

How to select the first row in radGridView..


I used this but it is showing run time exception.
                        rgvCustSearch.CurrentRecord.IsSelected = true;

[Inquisitor Jax]

try

if (grid.Records.count > 0)
{
   grid.Records[0].IsSelected = true;
}

[Srini]

Thank You Jax,

I got it.

[Michał Polak]

Current version of RadGridView doesn't have Records collection, how can I select first row now?

[Vlad]

Hi,

You can assign SelectedItem to desired object. You can check our online demos for more info about latest techniques.

All the best,
Vlad
the Telerik team

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[Michał Polak]

Yes but how can I identify which object is first i grid? I'm binding ItemsSource to ICollection, but taking first object from ICollection doesn't work, the order is different after sorting the grid.

[Milan]

Hi Michał Polak,

You can use the Items property of RadGridView, where all items are in the order they appear in the grid. Getting the first item is as easy as "var firstItem = this.myGrid.Items[0]".

Hope this helps.

Best wishes,
Milan
the Telerik team

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[Michał Polak]

OMG so simple, I must have been too tired yesterday.

Thank you for help :)

Best regards,
Michał

[Levi]

It might be asking too much, but would it be possible for the Client-Side selected event to trigger (on page load) when a row is selected in the code behind??

[Maya]

Hello Levi,

Would you clarify a bit what are your exact requirements ?
Generally, if you set the SelectedItem in code-behind:

this.clubsGrid.SelectedItem = this.clubsGrid.Items[0];

SelectionChanged event will be fired.
What is the behavior that you want to achieve ? 
 

Greetings,
Maya
the Telerik team

[Bryce]

Hi Maya,

Since I am binding my SelectedItem to something in my ViewModel, I get an exception when I do it the way you demonstrated. I have a sortdescriptor on my grid and in my ViewModel when I do SelectItem.FirstOrDefault(), I get the first item selected before the sortdescriptor sorts the grid. Is there a way around this?

Thanks,
Bryce

[Tyree]

For managing in a VM I find the easiest approach is you use a CollectionViewSource. Then you can manage selection, sorting, etc right from the VM and no monkeying with UI events and bindings.

To try it take your current collection and make it an ObservableCollection (if its not already). Create a public CollectionViewSource and sets its .Source to your ObservableCollection. Now bind your grids .ItemSource to the CollectionViewSource.View. Now in your VM you can do CollectionViewSource.View.CurrentItem to see whats selected, or if you set it you can make it select something else.

[Jose]

Hi,
I had the same problem.
You can try this:

this.clubsGrid.BeginInvoke( () =>
     this.clubsGrid.SelectedItem = this.clubsGrid.Items[0]);

Works with me.
Regards,
Jose

[Walter]

grid.Records[n] deprecated in 2009 see

http://www.telerik.com/community/forums/silverlight/gridview/selectedrecord-deprecated-in-q2-2009.aspx