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CompositeFilterDescriptor Value is always null

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This is a migrated thread and some comments may be shown as answers.

E asked on 21 Oct 2020, 06:29 PM

I have a Data grid which is populated with remote data 1 page at a time using OnRead. This requires custom sort and filtering in the OnRead method. When

I was using filter row, and the filters were returned as FilterDescriptor, and their value was populated.

When I changed the setting to filtermenu, and started getting composite filters (which I wanted), the values were always null, regardless of what I entered. Is this the right way to get values from the composite filters? If so, why is the value of each FilterDescriptor always null?

if (filter is FilterDescriptor)
{
FilterDescriptor currFilter = filter as FilterDescriptor;

var member = currFilter.Member;
var operation = currFilter.Operator;
var value = currFilter.Value;
//value is not null
}
else if(filter is CompositeFilterDescriptor)
{
var filters = filter as CompositeFilterDescriptor;
foreach (var compFilter in filters.FilterDescriptors)
{
FilterDescriptor currFilter = compFilter as FilterDescriptor;

var member = currFilter.Member;
var operation = currFilter.Operator;
var value = currFilter.Value;
//value is always null
}
}

CompositeFilterDescriptor Value is always null

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