Custom Hierarchy in GridView

[James]

Hi

I'm trying to get a custom hierarchy going in the new Q3 Gridview.  The examples don't explain how to do this properly (the example under Custom Hierarchy is actually a Property Hierarchy).

Here's how I did it in the previous version:

        public FailedMessagesView()
        {
            InitializeComponent();
            FailedFaxGrid.TableDefinition.PreviewDataRecordCreate += FailedFaxTableDefinition_PreviewDataRowCreate;
        }

        private void FailedFaxTableDefinition_PreviewDataRowCreate(object sender, DataRecordCreateEventArgs e)
        {
            FailedMessagesViewModel fmVM = (FailedMessagesViewModel)DataContext;
            SuppliersEntity theSupplier = (SuppliersEntity)e.Data;
            ObservableCollection<MessagesCheckedEntity> theMessages = new ObservableCollection<MessagesCheckedEntity>(
                fmVM.FailedFaxes.Where(m => m.fkidSupplier == theSupplier.idSupplier).ToList());
            if (theMessages.Count > 0)
            {
                e.IsExpandableRecord = true;
                GridViewTableDefinition ffDefs = new GridViewTableDefinition();
                ffDefs.AutoGenerateFieldDescriptors = false;
                ffDefs.DataSource = theMessages;

                GridViewDataColumn checkBox = new GridViewDataColumn();
                checkBox.Name = "FailedFaxCheckValName";
                checkBox.Header = " ";
                checkBox.IsFilterable = false;
                checkBox.IsGroupable = false;
                checkBox.IsReadOnly = true;
                checkBox.CellStyle = (Style)FailedFaxGrid.FindResource("checkValueStyle");
                checkBox.Width = GridViewLength.Auto;
                ffDefs.FieldDescriptors.Add(checkBox);

                GridViewDataColumn JobNo = new GridViewDataColumn();
                JobNo.Name = "FailedFaxJobNoName";
                JobNo.Header = "Job";
                JobNo.IsFilterable = false;
                JobNo.IsGroupable = false;
                JobNo.IsReadOnly = true;
                JobNo.DataMemberBinding = new Binding("DataRow[sgCommonName]");
                JobNo.Width = GridViewLength.Auto;
                ffDefs.FieldDescriptors.Add(JobNo);

                GridViewDataColumn task = new GridViewDataColumn();
                task.Name = "FailedFaxTaskName";
                task.Header = "Task";
                task.IsFilterable = false;
                task.IsGroupable = false;
                task.IsReadOnly = true;
                task.DataMemberBinding = new Binding("DataRow[sgItemName]");
                task.Width = GridViewLength.Auto;
                ffDefs.FieldDescriptors.Add(task);

                GridViewDataColumn TaskNotes = new GridViewDataColumn();
                TaskNotes.Name = "TaskNotes";
                TaskNotes.Header = "Task Notes";
                TaskNotes.IsFilterable = false;
                TaskNotes.IsGroupable = false;
                TaskNotes.IsReadOnly = true;
                TaskNotes.DataMemberBinding = new Binding("DataRow[mNotes]");
                TaskNotes.Width = new GridViewLength(1, GridViewLengthUnitType.Star);
                TaskNotes.TextWrapping = TextWrapping.Wrap;
                ffDefs.FieldDescriptors.Add(TaskNotes);

                GridViewDataColumn ReceiptDetails = new GridViewDataColumn();
                ReceiptDetails.Name = "ReceiptDetails";
                ReceiptDetails.Header = "Failure Reason";
                ReceiptDetails.IsFilterable = false;
                ReceiptDetails.IsGroupable = false;
                ReceiptDetails.IsReadOnly = true;
                ReceiptDetails.DataMemberBinding = new Binding("sgReciptDetails");
                ReceiptDetails.Width = new GridViewLength(1, GridViewLengthUnitType.Star);
                ReceiptDetails.TextWrapping = TextWrapping.Wrap;
                ffDefs.FieldDescriptors.Add(ReceiptDetails);
                e.ChildTableDefinitions.Add(ffDefs);
            }
        }

A warning pops up telling me that this method is obsolete, and doing it this way no longer works.

[Vlad]

Hi James,

Please check this demo for more info:
http://demos.telerik.com/wpf/?GridView/Hierarchy/CustomHierarchy

All the best,
Vlad
the Telerik team

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[James]

Hi Vlad

"I'm trying to get a custom hierarchy going in the new Q3 Gridview.  The examples don't explain how to do this properly (the example under Custom Hierarchy is actually a Property Hierarchy)."

Is what I posted. I've had a look at the examples already and they don't cover what I want to do.  I don't have a property in the entities that make up my main row that can be used to fill the hierarchy.  What I need to do is a custom hierarchy, as per the examples in the Q2 release.

[Vlad]

Hello James,

I've attached small example without PropertyRelation.

Regards,
Vlad
the Telerik team

Instantly find answers to your questions on the new Telerik Support Portal.
Watch a video on how to optimize your support resource searches and check out more tips on the blogs.

[James]

Hi Vlad

Thanks very much, works a treat!