how to use GridDetailView ,Grid with SelectedItemsChanged ,i got bucle

[kperez0697]

this is my code


@context.NombreCliente

<GridDetailView TItem="Cliente" >
            <Grid TItem="CotizacionCab" FixedHeader="true" 
                  Class="table table-hover table-bordered table-striped"
                  AllowSelection="true"
                  AllowPaging="true" AutoHidePaging=true
                  PageSize="10" AllowFiltering="true"
                  AllowSorting="true" EmptyText="No hay Registros"
                  SelectedItemsChanged="OnSelectedItemsChangedCotizacion"
                  SelectionMode="GridSelectionMode.Single"
                  Responsive="true" PaginationItemsTextFormat="{0} - {1} de {2} registros"
          Data="GetIngredients(context.ClienteID)">
                <GridColumns>

                    <GridColumn TItem="CotizacionCab" HeaderText="Nro.Documento" PropertyName="NumeroDocumento" TextAlignment="Alignment.Center" HeaderTextAlignment="Alignment.Center" TextNoWrap="true" Filterable="false" Context="Coti">@Coti.NumeroDocumento</GridColumn>
                    <GridColumn TItem="CotizacionCab" HeaderText="Cliente" PropertyName="NombreCliente" HeaderTextAlignment="Alignment.Center" TextNoWrap="true" SortKeySelector="item => item.NombreCliente" FilterTextboxWidth="200" Context="Coti">@Coti.NombreCliente</GridColumn>
                    <GridColumn TItem="CotizacionCab" HeaderText="Total" PropertyName="Total" HeaderTextAlignment="Alignment.Center" TextAlignment="Alignment.Center" TextNoWrap="true" Filterable="false" Context="Coti"> S/.@Coti.Total.ToString("N2")</GridColumn>
                    <GridColumn TItem="CotizacionCab" HeaderText="Fecha Documento" PropertyName="FechaDocumento" TextAlignment="Alignment.Center" HeaderTextAlignment="Alignment.Center" TextNoWrap="true" Filterable="false" Context="Coti">@Coti.FechaDocumento.ToString("ddd dd-MMMM-yyyy")</GridColumn>
                    <GridColumn TItem="CotizacionCab" HeaderText="" HeaderTextAlignment="Alignment.Center" TextAlignment="Alignment.Center" PropertyName="TieneContrato" Context="Coti">
                        @if (Coti.TieneContrato == true)
                        {

                            <label style="color:#33cc33;"><Icon Name="IconName.Check2" /> Tiene Contrato</label>
                        }
                        else
                        {
                            if (Coti.Estado.Trim() == "ANU")
                            {
                                <label style="color:#ff0000;">Anulado</label>
                            }
                            else
                            {
                                <label style="color:#ff0000;">Sin Contrato</label>
                            }
                        }
                    </GridColumn>
                </GridColumns>
            </Grid>                          
</GridDetailView>

always enter here

if you can share an example using the way im using it ,it would be good