问DataGrid中的自定义筛选器集

EN

@using Radzen
@typeparam TItem
@inherits RadzenDataGridColumn<TItem>

@code {
public override IEnumerable<FilterOperator> GetFilterOperators()
{
    var operators = base.GetFilterOperators();

    if (FilterPropertyType == typeof(DateTime?))
    {
        operators = 
            operators.Where(o => o != FilterOperator.IsNull && o != FilterOperator.IsNotNull);
        // or using patterns
        // operators = 
        //  operators.Where(o => o is not (FilterOperator.IsNull or FilterOperator.IsNotNull);
    }

    return operators;
}

public override bool ShowTimeForDateTimeFilter()
{
    return false;
}