I am using the XamDataGrid and have a requirement where I need to generate the columns and rows dynamically at the initialization. For this what I have done is, I have an ObservableCollection of MyGridRow in my View Model which in turn has an ObservableCollection of string. In this way, I am generating each cell for a row and multiple rows respectively. The ObservableCollection<MyGridRow> serves as the data source to the XamDataGrid. 

I implemented the FieldLayoutAdvisor as per Alex's solution and populated the field layouts. But nothing is showing up on the grid.

The code this way - 

FieldLayout headerFieldLayout = new FieldLayout();

XDocument listDoc = XDocument.Load("SecMaster.XML", LoadOptions.None);

//Get the headers of the list to create the fields in the xamDataGrid

if (listDoc.Root != null) {

                var fieldHeaders = listDoc.Root.Element("SECMASTERREC").Descendants().Select(node => node.Name.LocalName);

                if (fieldHeaders.Count() > 0)

                {

                    var fieldsList = fieldHeaders.ToList();

                    for (int index = 0; index < fieldsList.Count; index++)

                    {

                        Field headerField = new Field();

                        headerField.Name = fieldsList[index];

                        headerField.Label = fieldsList[index];

                        headerFieldLayout.Fields.Add(headerField);

                    }

                }

            }

            if (headerFieldLayout.Fields != null && headerFieldLayout.Fields.Count > 0)

            {

                if (ListsFieldLayouts == null) ListsFieldLayouts = new ObservableCollection<FieldLayout>();

                ListsFieldLayouts.Add(headerFieldLayout);

            }

            var gridCellRow = listDoc.Descendants("SECMASTERREC");

            if (gridCellRow.Count() > 0)

            {

                var gridCellRowList = gridCellRow.ToList();

                ListGridRow gridRow = new ListGridRow();

                for (int index = 0; index < gridCellRowList.Count; index++)

                {

                    gridRow.ListGridCells.Add(new ListGridCell {  GridCellValue = gridCellRowList[index].Value });

                }

                if (ListsGridSource == null) ListsGridSource = new ObservableCollection<ListGridRow>();

                ListsGridSource.Add(gridRow);

            }

Matt,

Thanks, but not at this time.  I'll try Alex's suggestion if I can ever find my way back to working on the problem that prompted my question.

The joys of frantic development!

HI,.

 I am just following up on this forum thread.

 Do you have further questions regarding this issue.

 Sincerley,

 Matt
 Developer Support Engineer

Hello,

You could use an attached property that you can bind to the XamDataGrid, which will handle the rest automatically. Here is what I am suggesting :

 public  static  ObservableCollection <FieldLayout > GetAttachedFieldLayouts(DependencyObject  obj)

         {

             return  (ObservableCollection <FieldLayout >)obj.GetValue(AttachedFieldLayoutsProperty);

         }

         public  static  void  SetAttachedFieldLayouts(DependencyObject  obj, ObservableCollection <FieldLayout > value)

         {

             obj.SetValue(AttachedFieldLayoutsProperty, value);

         }

         public  static  readonly  DependencyProperty  AttachedFieldLayoutsProperty =

             DependencyProperty .RegisterAttached("AttachedFieldLayouts" ,

             typeof (ObservableCollection <FieldLayout >),

             typeof (FieldLayoutAdvisor ),

             new  UIPropertyMetadata (null , new  PropertyChangedCallback (OnAttachedFieldLayoutsChanged)));

         private  static  void  OnAttachedFieldLayoutsChanged(DependencyObject  o, DependencyPropertyChangedEventArgs  args)

         {

             DataPresenterBase  dpb = o as  DataPresenterBase ;

             if  (dpb != null )

             {

                 if  (dpb.FieldLayoutSettings == null )

                     dpb.FieldLayoutSettings = new  FieldLayoutSettings ();

                 dpb.FieldLayoutSettings.AutoGenerateFields = false ;

                 ObservableCollection <FieldLayout > collection = args.NewValue as  ObservableCollection <FieldLayout >;

                 if  (collection != null  && collection.Count > 0)

                 {

                     dpb.FieldLayouts.Clear();

                     foreach  (FieldLayout  fl in  collection)

                     {

                         dpb.FieldLayouts.Add(fl);

                     }

                 }

             }

         }

Then, you can bind the XamDataGrid to your DataContext :

 <igDP:XamDataGrid   

             Name="xamDataGrid1"  

             DataSource="{Binding Path=Source}" 

             fla:FieldLayoutAdvisor.AttachedFieldLayouts="{Binding FieldLayouts}"/>