添加模板列

<DataGridTemplateColumn Width="0.3*">

                                    <DataGridTemplateColumn.Header>

                                        <CheckBox  x:Name="CbTeacherDevice" Content="序号">

                                        </CheckBox>

                                    </DataGridTemplateColumn.Header>

                                    <DataGridTemplateColumn.CellTemplate>

                                        <DataTemplate>

                                            <CheckBox Margin="12,0,0,0"></CheckBox>

                                        </DataTemplate>

                                    </DataGridTemplateColumn.CellTemplate>

                                </DataGridTemplateColumn>