[Solved] Grid with Hierarchy probs

[GM72]

Hi,

I'm building a grid that'll show an object collection where each object has 2 or 3 property collections within it i.e. hierarchical data.

This sort of works - I am adding sets of GridViewTableDefinitions as ChildTableDefinitions - but the grid's property settings aren't getting inherited (should they be?)

For example

I set the grid's AutoGenerateColumns value to false but all the children still have their's showing? Is there an easy way to cascade this? I tried setting the AutoGenerateFieldDescriptors field to false on the definition but this doesn't work (it says it is obsolete and to set it on the grid!)

I also have a more serious problem that when I scroll the column cells and column headers become out of sync

I'm using Q3 2009 trial

[Vlad]

Hi,

Generally AutoGenerateFieldDescriptors is obsolete - please use AutoGenerateColumns instead. You can check this demo for more info how to set this to your child grid:
http://demos.telerik.com/silverlight/#GridView/Hierarchy/HierarchyChildTemplate


All the best,
Vlad
the Telerik team

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[GM72]

Hi,

Is this the new recommended way? I've looked at a couple of examples, such as http://www.telerik.com/community/forums/silverlight/gridview/multilevel-hirarchy-in-radgridview.aspx but they seem to have the problem I describe.

I'd rather do it in C# than xaml as I'm not keen on 'hard-coding'.

Thanks for your prompt reply

[Vlad]

Hi,

You can use DataLoading event to achieve this programmatically:
http://demos.telerik.com/silverlight/#GridView/Hierarchy/SelfReference

Regards,
Vlad
the Telerik team

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[GM72]

Yes I had noticed that.

This isn't ideal as to deal with an object that has collections within collections I am likely to end up writing several hundred lines of code.

Are there any plans to move this 'under the hood'?

With the infragistics grid i just have to write one line of code (grid.itemssource = e.result) and it does it automatically

[Vlad]

Hello,

You definitely do not need to write hundred lines of code to achieve your goal.

I've attached small example to illustrate you how to create unlimited grid hierarchy easily from object that has collections.

Best wishes,
Vlad
the Telerik team

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