CriteriaOperator.ToString(CriteriaOperator) Method

Converts the specified expression into its VB-style string equivalent.

Namespace: DevExpress.Data.Filtering

Assembly: DevExpress.XamarinForms.Core.dll

NuGet Package: DevExpress.XamarinForms.Core

Declaration

public static string ToString(
    CriteriaOperator criteria
)

Parameters

Name	Type	Description
criteria	CriteriaOperator	The criterion to convert into a string.

Returns

Type	Description
String	The VB-style string representation of this expression.

Related GitHub Examples

The following code snippets (auto-collected from DevExpress Examples) contain references to the ToString(CriteriaOperator) method.

Note

The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.

C#

outlook-inspired-app-ef-data-model-only-t201656/CS/DevExpress.OutlookInspiredApp/Filtering/ViewModel/FilterTreeViewModel.cs#L137

FilterInfoList SaveToSettings(ObservableCollection<FilterItem> filters) {
    return new FilterInfoList(filters.Select(fi => new FilterInfo { Name = fi.Name, FilterCriteria = CriteriaOperator.ToString(fi.FilterCriteria) }));
}

hybrid-app-ef-data-model-only-t201658/CS/DevExpress.HybridApp/Filtering/ViewModel/FilterTreeViewModel.cs#L137

FilterInfoList SaveToSettings(ObservableCollection<FilterItem> filters) {
    return new FilterInfoList(filters.Select(fi => new FilterInfo { Name = fi.Name, FilterCriteria = CriteriaOperator.ToString(fi.FilterCriteria) }));
}

gridview-how-to-use-a-built-in-context-menu-to-display-summaries-in-custom-binding-mode-t243497/CS/SummaryCustomDataBinding/Models/CustomBindingModel.cs#L105

    );
    return query.ApplyFilter(CriteriaOperator.ToString(criteria));
}

VB.NET

how-to-use-gridlookup-in-custom-data-binding-mode-t265303/VB/GridLookupCustomBinding/Models/CustomBindingModel.vb#L71

    Dim criteria = GroupOperator.And(groupInfoList.Select(Function(i) New BinaryOperator(i.FieldName, i.KeyValue, BinaryOperatorType.Equal)))
    Return query.ApplyFilter(CriteriaOperator.ToString(criteria))
End Function

gridview-how-to-use-a-built-in-context-menu-to-display-summaries-in-custom-binding-mode-t243497/VB/SummaryCustomDataBinding/Models/CustomBindingModel.vb#L82

    Dim criteria = GroupOperator.And(groupInfoList.Select(Function(i) New BinaryOperator(i.FieldName, i.KeyValue, BinaryOperatorType.Equal)))
    Return query.ApplyFilter(CriteriaOperator.ToString(criteria))
End Function