Is there some way that the GridView could detect that a column value was an image url while in AutoGenerateColumns = True mode?
I have a data source that has a lot of regular data and one column that is a thumbnail of the product image.  I know I can set AutoGenerateColumns = False and create a column for each individual data element but it would be nice if AutoGenerate could detect that a data element was an ImageColumn and use the URL in the data as the source.

When a user clicks a button I want to loop through the entire grid, row by row, reading the value of a specific column cell.

Can you tell me the easiest, most efficient way to accomplish this?

Thank you very much.

A simplified explanation of what I need...

I have a GridView control bound to a dataset.  Column A (editable) and Column B (Read Only).

When a user changes Column A, a calculation is run in the code behind and Column B changes.

It seems simple enough, but I'm having trouble getting values in my GridView to change through code.  Can someone please post a simple example of how to do this?

Thank you in advance.

I've tried everything I can think of to get this binding to work...

My situation is this:

I have a grid which has Columns generated in the code behind.  These are dynamic depending on something the user has chosen.  Each column has its Tag property set to a related object.

The rows are a collection bound to ItemsSource.  There is no corresponding property on the underlying item that matches a column, but there is a method that will return an object (e.g. item.GetItemForCell(string columnTag).

What I need is for a binding for the Cell to be able to return the correct object, and allow editing of the object.  For this, I need to get the row and the column it's in (for row.Item.GetItemForCell(column.Tag))

To do this, I've tried creating a converter that is expecting a GridViewCell (alternatively it could just take the column as a parameter).  To use this, I've set up a binding in the code behind as follows:


This is then applied to the DataMemberBinding of the GridViewDataColumn.

This... sort of works.  The converter is called with the GridViewCell, and each cell shows a "ToString()" representation of the object.

So I thought I'd put a cell template on.  I set CellTemplate in the code behind to FindResource("template").  But the binding doesn't bind to the converted object, it binds to the row's Item property.  Argh!

I tried creating a DataTemplate resource with the DataType of the object I want to template, but it's ignored.

I tried moving the binding to the DataTemplate, but even using the same binding as above the row's Item property is passed to the converter rather than the GridViewCell.

Any ideas?!  It doesn't seem like that big an ask, but I feel like I've been banging my head against a wall all day.

Hello,

I have a GridView which is readonly and a GridViewCheckBoxColumn which is not readonly and the checkbox can be ticked and unticked. However when I tick and untick and update the bound property, the value gets persisted to the data store which I imagine is default behaviour if the cell value (i.e. true or false for a checkbox) is valid. This is no good in my scenario. I need to be able to edit this checkbox and update the bound property but NOT persist to the data store; I will do this later in the code myself. How is this achievable please?

I used the MainGrid_CellValidating event and set IsValid to false but this shows up the red border around the cell which I do not need.

Please help.

Thanks,

Alex

hi,

i'm using the RadRichTextBoxRibbonUI (wpf 2012 Q2), but the Backstage-Area will not open on click.

but why? Thanks
Regards
Rene