delete row in datagrid wpf

<datagrid name="datagridTable" selecteditem="{Binding SelectedInformation}">
               ....
</datagrid>

private Information selectedInformation;
public Information SelectedInformation
{
    get { return selectedInformation; }
    set { SetProperty(ref selectedInformation, value); }
}


public UserBase_ViewModal()
{
    delete = new DelegateCommand(DeleteInformationInTable);
}

private void DeleteInformationInTable()
{
   Information.Remove(SelectedInformation);
}