1.CriteriaPropertyEditor
[EditorAlias(EditorAliases.CriteriaPropertyEditor)]
[CriteriaOptions("archivetype")]
[XafDisplayName("高级查询模块")]
[ModelDefault("RowCount", "5")]
[Appearance("", Criteria = "eUseCriteria=0", Visibility = ViewItemVisibility.Hide)]
public string criteriagroupoperator { get; set; }
[Browsable(false)]
public Type archivetype { get; set; }
var Criteria= CriteriaEditorHelper.GetCriteriaOperator( currentObject.criteriagroupoperator, typeof(YourObject), ObjectSpace);
【原创】XAF CriteriaOperator 使用方式汇总
原文：https://www.cnblogs.com/GundamPeter/p/9441862.html