EntityAttrExpr class

An Expression descendant which represents an attribute.

public abstract class Korzh.EasyQuery.EntityAttrExpr
    : EqExpression


Type Name Description
EntityAttr Attribute Gets or sets the attribute.
String CustomFunc Gets the custom func for expression if defined
DataType DataType Gets the type of the expression.
Boolean IsParentExpr Gets a value indicating whether this instance is a parent expression.
DataKind Kind Gets the expression kind.
String Text Gets the expression text. For this type it returns entity name + attribute caption.
String TypeName Non-static version of Korzh.EasyQuery.EntityAttrExpr.STypeName property.
String Value Gets or sets the expression value.


Type Name Description
void AssignExpr(EqExpression expr) Assigns some expression to this one. This method just does nothing in the base class but can perform some actions in Expression descendants.
void Init(DataModel model, EntityAttr attr) Initializes a new instance of the Korzh.EasyQuery.EntityAttrExpr class with specified model and attribute.
void LoadFromJsonDict(JsonDict dict) Loads expression from IDictionary object (used when we load query from JSON).
void LoadFromXmlReader(XmlReader reader) Loads expression from XML.
void SaveToJsonDictCore(JsonDict dict) Saves expression's properties to dictionary (used to serialize expression into JSON) This is an abstract method which should be overridden in descendant classes.
void SaveToXmlWriter(XmlWriter writer, String tagName) Saves the expression to XML writer.
void SetAttribute(EntityAttr attr) Sets the entity attribute.
void SetContentSilent(String val, String txt) Sets the content of the expression silently (without calling ContentChanged event).

Static Properties

Type Name Description
String STypeName Gets the name of the expression type.
String TextFormat Gets or sets the format of the text representation for this type of expression.