WebExpression Operators, Functions and Constants DevExpress End-User Documentation Interface Elements for Desktop Expression Editor Expression Operators, Functions and Constants Expression Operators, Functions and Constants This topic lists operators and functions supported by the Expression Editor. Webpublic CriteriaOperator PrepareCriteria (CriteriaOperator op) { if (op is FunctionOperator) { var funcOp = new FunctionOperator (); for (int i = 0; i -1) { IMemberInfo info; cnst.Value = ObjectFormatValues.GetValueRecursive ( (op as ConstantValue).Value.ToString ().Replace ("@This.", "").Replace ("@This", "").Replace ("@this.", "").Replace …
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WebJul 8, 2024 · To use a custom Function Criteria Operator, you need to register it. For this purpose, first add a static constructor to the Operator. In the constructor, invoke the … WebSep 28, 2024 · Instead, join several criteria operators with GroupOperator andGroupOperatorType.Or, CriteriaOperator > Or or GroupOperator > Combine. For more information on our criteria language, check out the concepts under DevExpress ORM Tool > Feature Center > Querying a Data Store > Creating Criteria. This answer was helpful … dewormer as cancer treatment
Criteria Language Syntax Cross-Platform Class Library - DevExpress
WebJul 18, 2014 · According to the XAF documentation the DataSourceXXX attributes are supposed to work only for business object types by default, so System.Type cannot be used here. That said, as an alternative solution … WebJul 22, 2011 · To make this happen we need to create a custom function criteria operator that will enumerate all user roles and check their name against this function’s argument. This is demonstrated below, public class IsAllowedToRoleOperator : ICustomFunctionOperator { public const string OperatorName = "IsAllowedToRole"; #region … WebJan 2, 2024 · Custom Criteria Operator DevExpress Support Custom Criteria Operator Svetlana Duman Hello, I would like to use my custom criteria operator. I hope I found the way to do it, you can see it in the attached project. But how could $-prefix be deleted? You can see what I mean if you start the project and use "Known" predifined filter. Best regards dewormed cat