Get property type of a property bound column

[Daniel]

Hi,

I ran into the problem that I need to get access to the type of a property bound to a column. I need to acomplish this on the AutoGeneratingColumn event.


I've manage to do it with a common grid:

private void dtgRestuls_AutoGeneratingColumn(object sender, DataGridAutoGeneratingColumnEventArgs e)

        {

               var columnAttributes = ((PropertyDescriptor)e.PropertyDescriptor).Attributes.OfType<ColumnAttribute>();

               
if (columnAttributes.Count() == 0)

                {

                    e.Cancel = true;

                }

                else

                {

                    e.Cancel = !IsColumnMarkAsVisible(columnAttributes);

                }

            }

            

        }

The problem is that DataGridAutoGeneratingColumnEventArgs exposes a PropertyDescriptor property, but GridViewAutoGeneratingColumnEventArgs don't.


Anyone got any idea of where to find it on GridViewAutoGeneratingColumnEventArgs, or maybe a workaround?

Thanks!

[Jason]

Is there a reason you have to auto generate the columns?  Do you not have any idea about the type of data being bound to the gridview before runtime?

[Daniel]

Yes, there is a reson.

I'm using WPF-MVVM.

I'm binding the grid to a property (this would be an entity) from the viewModel. I know this property implements a given interface and that its properties carry attributes that define their behaviour.

I need to bind this entity to the grid, and avoid showing certain properties as columns.

It's part of a presentation framework, so I need it to be quiet abstract and clean so the particular implementations maden with this fwk will look as simple as possible.

Thanks!

[Daniel]

Well I manage to work around this issue by reflecting my entity from the ItemsSource grid property. Then on the AutoGeneratingColumn event I use e.Column.UniqueName to locate the property from reflected properties collection.

It's a shame that the rad control missed those useful properties related to the column.

Regards.

[Milan]

Hello Daniel,

I am Glad that you have found a solution to your problem. We will consider adding the missing property to the event arguments of AutogeneratingColumn. Thank you very much for your feedback. 

I have updated your Telerik points. 

Greetings,
Milan
the Telerik team

[Andreas]

Hello Milan,

I have the same Problem with des missing PropertyDescriptor in the AutogeneratingColums arguments. Any news about that???

Andreas