public void UsingFilterOptions_SetsDefaultFilterMethod(String current, String method)
{
column.Filter.DefaultMethod = current;
String?actual = column.UsingFilterOptions(Array.Empty <SelectListItem>()).Filter.DefaultMethod;
String?expected = method;
Assert.Equal(expected, actual);
}
public void UsingFilterOptions_SetsDefaultFilterMethod(String current, String method)
{
column.Filter.DefaultMethod = current;
String actual = column.UsingFilterOptions(new SelectListItem[0]).Filter.DefaultMethod;
String expected = method;
Assert.Equal(expected, actual);
}
public static IGridColumn <T, TValue> UsingFilterOptions <T, TValue>(this IGridColumn <T, TValue> column)
{
return(column.UsingFilterOptions(new[] { new SelectListItem() }
.Concat(column
.Grid
.Source
.OrderBy(column.Expression)
.Select(column.Expression)
.Where(value => value != null)
.Select(value => value.ToString())
.Distinct()
.Select(value => new SelectListItem
{
Value = value,
Text = value
}).ToArray())));
}
