从WPF DataGrid的列中排除“以”开头的值

public class ExcludeStartsWithSortRule : IComparer
{
    private string excludeString;

    public ExcludeStartsWithSortRule(string excludeString)
    {
        this.excludeString = excludeString;
    }

    public int Compare(object x, object y)
    {
        string valueX = x.ToString();
        string valueY = y.ToString();

        if (valueX.StartsWith(excludeString) && !valueY.StartsWith(excludeString))
            return 1;
        else if (!valueX.StartsWith(excludeString) && valueY.StartsWith(excludeString))
            return -1;
        else
            return Comparer.Default.Compare(x, y);
    }
}

<DataGrid ItemsSource="{Binding YourData}" AutoGenerateColumns="False">
    <DataGrid.Columns>
        <DataGridTextColumn Header="Column 1" Binding="{Binding Property1}" SortMemberPath="Property1" />
        <DataGridTextColumn Header="Column 2" Binding="{Binding Property2}" SortMemberPath="Property2" />
        <!-- 其他列 -->
    </DataGrid.Columns>
</DataGrid>

<DataGrid ItemsSource="{Binding YourData}" AutoGenerateColumns="False">
    <DataGrid.Resources>
        <CollectionViewSource x:Key="YourCollectionViewSource" Source="{Binding YourData}">
            <CollectionViewSource.SortDescriptions>
                <scm:SortDescription PropertyName="Property1" />
                <scm:SortDescription PropertyName="Property2" />
                <!-- 其他属性 -->
            </CollectionViewSource.SortDescriptions>
            <CollectionViewSource.Filter>
                <FilterEventHandler HandleFilter />
            </CollectionViewSource.Filter>
        </CollectionViewSource>
    </DataGrid.Resources>
    <DataGrid.ItemsSource>
        <Binding Source="{StaticResource YourCollectionViewSource}" />
    </DataGrid.ItemsSource>
    <DataGrid.Columns>
        <DataGridTextColumn Header="Column 1" Binding="{Binding Property1}" />
        <DataGridTextColumn Header="Column 2" Binding="{Binding Property2}" />
        <!-- 其他列 -->
    </DataGrid.Columns>
</DataGrid>

private void HandleFilter(object sender, FilterEventArgs e)
{
    YourDataItem item = e.Item as YourDataItem;
    if (item != null && item.Property1.StartsWith("以"))
        e.Accepted = false;
    else
        e.Accepted = true;
}