How to isenable false datagrid row in WPF

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C#

WPF

Hello All,

I have work in inventory application Thats why i am design data grid with editable header section so i want to

IsEnable false

How to disable datagrid row details section  

<DataGrid x:Name="grdproductdetails" AreRowDetailsFrozen="True"   AutoGenerateColumns="False"
                    CanUserResizeRows="False"   ItemsSource="{Binding}"
                    CanUserAddRows="False" Margin="0,0,0,0"   HorizontalGridLinesBrush="#FF020202"  >

                          <DataGrid.Resources>
                              <Style TargetType="DataGridRow" x:Name="grddatagriddetails">
                                  <EventSetter Event="PreviewKeyDown" Handler="grdproductdetails_PreviewKeyDown" />
                                  <EventSetter Event="LostFocus" Handler="grdproductdetails_LostFocus" />
                                  <!--<Setter Property="IsEnabled" Value="False" />-->
                              </Style>
                              <Style TargetType="DataGridColumnHeadersPresenter">
                                  <EventSetter Event="PreviewKeyDown" Handler="grdproductheader_PreviewKeyDown" />
                              </Style>

                          </DataGrid.Resources>


                          <DataGrid.Columns >

                              <DataGridTextColumn      IsReadOnly="False" Width="2.5*"  Header="Product Name" Binding="{Binding mstprd_name}"  FontWeight="Bold"  Foreground="Black"   x:Name="grdtxtproductname"  Visibility="Visible"  >
                                  <DataGridTextColumn.HeaderStyle >
                                      <Style TargetType="DataGridColumnHeader" >
                                          <Setter Property="Template">
                                              <Setter.Value>
                                                  <ControlTemplate TargetType="{x:Type DataGridColumnHeader}">
                                                      <Border BorderBrush="Green" BorderThickness="0 0 0 1">
                                                          <StackPanel Margin="2 1 0 1">
                                                              <Border  BorderThickness="0 0 0 1" BorderBrush="Green" Margin="0 0 0 0">
                                                                  <TextBlock Text="{TemplateBinding Content}" FontWeight="Medium" HorizontalAlignment="Center" Foreground="Black"  Background="WhiteSmoke"/>
                                                              </Border>
                                                              <controls:AutoCompleteTextBox x:Name="TxtProductName" FontWeight="SemiBold"
                                                               Margin="0 5 0 0" FontSize="13"
                                                               Grid.Column="1"
                                                          Grid.Row="0" Grid.ColumnSpan="3"
                                                          materialDesign:HintAssist.Hint="Select Product Name"
                                                          AutoCompleteWidth="900"
                                                          AutoCompleteHeight="200"
                                                          AutoCompletePlacementTarget="{Binding ElementName=txt}"
                                                          AutoCompletePlacement="Bottom"
                                                          OnTextChange="TxtProductName_OnTextChange"
                                                          OnSelectedItemChange="TxtProductName_OnSelectedItemChange"
                                                           PreviewKeyDown="TxtProductName_PreviewKeyDown"
                                                          GotFocus="Ctrlautobox_GotFocus" >
                                                                  <controls:AutoCompleteTextBox.AutoCompleteColumns>
                                                                      <DataGridTextColumn Header="Product Name" MinWidth="100" Width="Auto" Foreground="Black" FontWeight="Medium"  >
                                                                          <DataGridTextColumn.Binding>
                                                                              <MultiBinding StringFormat="{}{0} - {1} - [{2}] - [{3}]">
                                                                                  <Binding Path="mstprd_name" />
                                                                                  <Binding Path="mstprd_shrtname" />
                                                                                  <Binding Path="mstpacking_displaypacking" />
                                                                                  <Binding Path="ProductLocation" />

                                                                              </MultiBinding>
                                                                          </DataGridTextColumn.Binding>
                                                                          <DataGridTextColumn.EditingElementStyle>
                                                                              <Style TargetType="TextBox">

                                                                                  <Setter Property="AcceptsReturn" Value="true" />
                                                                              </Style>
                                                                          </DataGridTextColumn.EditingElementStyle>
                                                                      </DataGridTextColumn>
                                                                      <DataGridTextColumn Header="GST" MinWidth="50" Width="Auto" Foreground="Black" FontWeight="Medium" >
                                                                          <DataGridTextColumn.Binding>
                                                                              <MultiBinding StringFormat="{}{0}">
                                                                                  <Binding Path="prdtax_value" />
                                                                              </MultiBinding>
                                                                          </DataGridTextColumn.Binding>
                                                                      </DataGridTextColumn>
                                                                      <DataGridTextColumn Header="Drug Type" Width="120" Foreground="Black" FontWeight="Medium"  >
                                                                          <DataGridTextColumn.Binding>
                                                                              <MultiBinding StringFormat="{}{0}">
                                                                                  <Binding Path="drugType" />
                                                                              </MultiBinding>
                                                                          </DataGridTextColumn.Binding>
                                                                      </DataGridTextColumn>
                                                                      <DataGridTextColumn Header="Product Type" Width="120" Foreground="Black" FontWeight="Medium" >
                                                                          <DataGridTextColumn.Binding>
                                                                              <MultiBinding StringFormat="{}{0}">
                                                                                  <Binding Path="ProductType" />
                                                                              </MultiBinding>
                                                                          </DataGridTextColumn.Binding>

                                                                      </DataGridTextColumn>
                                                                      <DataGridTextColumn Header="Stock" Width="100" Foreground="Black" FontWeight="Medium" >
                                                                          <DataGridTextColumn.Binding>
                                                                              <MultiBinding StringFormat="{}{0}">
                                                                                  <Binding Path="0"    />
                                                                              </MultiBinding>
                                                                          </DataGridTextColumn.Binding>

                                                                      </DataGridTextColumn>
                                                                      <DataGridTextColumn Header="Agency Name" Width="100" Foreground="Black" FontWeight="Medium" >
                                                                          <DataGridTextColumn.Binding>
                                                                              <MultiBinding StringFormat="{}{0}">
                                                                                  <Binding Path="0"/>
                                                                              </MultiBinding>
                                                                          </DataGridTextColumn.Binding>

                                                                      </DataGridTextColumn>
                                                                  </controls:AutoCompleteTextBox.AutoCompleteColumns>
                                                              </controls:AutoCompleteTextBox>
                                                          </StackPanel>
                                                      </Border>
                                                  </ControlTemplate>

                                              </Setter.Value>
                                          </Setter>
                                      </Style>
                                  </DataGridTextColumn.HeaderStyle>

                              </DataGridTextColumn>

What I have tried:

DataGridRow dgrow = (DataGridRow)grdproductdetails.ItemsSource;
                    dgrow.IsEnabled = false;

i try but not work properly