(adsbygoogle = window.adsbygoogle || []).push({}); HI,

I am Coding A Tool for my clan: Bo2 MP/ZM tool.
I got some errors trying to add rows and cells into a datagridview.
my code:
_1 is the DataGridView

        metroLabel23.Content = getHostName();

            metroLabel24.Content = getMapName();

            metroLabel25.Content = getGameMode();

            metroLabel26.Content = getHardcore();



            try

            {

                this._1.IsEnabled = true;

                this._1.AlternationCount = 0x12;

            }

            catch

            {

                MessageBox.Show("Connection Failed.");

            }



Here starts the error: 

            for (int i = 0; i < 0x12; i++)

            {

                this._1.UpdateDefaultStyle();

                this._1.[i].Cells[0].Value = i;

                this._1.Rows[i].Cells[1].Value = GetName(i);

            }

I get the error in ROW and Cells:
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My WPF Code:

      <ataGrid x:Name="_1" HorizontalAlignment="Left" VerticalAlignment="Top" Height="337" Width="809" SelectionChanged="_1_SelectionChanged">

                        <ataGrid.Columns>

                            <ataGridTextColumn Binding="{x:Null}" ClipboardContentBinding="{x:Null}" Header="Client"/>

                            <ataGridTextColumn Binding="{x:Null}" ClipboardContentBinding="{x:Null}" Header="Name"/>

                        </DataGrid.Columns>

                    </DataGrid>

Please help me