private void CreateFilters()
        {
            string dataMember = this.column.DataMemberBinding.Path.Path;

            this.compositeFilter = new CompositeFilterDescriptor();

            this.fromFilter = new Telerik.Windows.Data.FilterDescriptor(dataMember
                                                                        , Telerik.Windows.Data.FilterOperator.IsGreaterThanOrEqualTo
                                                                        , null);
            this.compositeFilter.FilterDescriptors.Add(this.fromFilter);

            this.toFilter = new Telerik.Windows.Data.FilterDescriptor(dataMember
                                                                      , Telerik.Windows.Data.FilterOperator.IsLessThanOrEqualTo
                                                                      , null);
            this.compositeFilter.FilterDescriptors.Add(this.toFilter);
        }
        private void CreateFilters()
        {
            string dataMember = this.column.DataMemberBinding.Path.Path;

            this.compositeFilter = new CompositeFilterDescriptor();

            this.fromFilter = new Telerik.Windows.Data.FilterDescriptor(dataMember
                , Telerik.Windows.Data.FilterOperator.IsGreaterThanOrEqualTo
                , null);
            this.compositeFilter.FilterDescriptors.Add(this.fromFilter);

            this.toFilter = new Telerik.Windows.Data.FilterDescriptor(dataMember
                , Telerik.Windows.Data.FilterOperator.IsLessThanOrEqualTo
                , null);
            this.compositeFilter.FilterDescriptors.Add(this.toFilter);
        }