entityattrexpr-class

An EqExpression descendant that represents an entity attribute.

public class Korzh.EasyQuery.EntityAttrExpr
    : EqExpression

Assembly: Korzh.EasyQuery.dll

Constructors

Name	Type	Description
EntityAttrExpr(DataModel model, EntityAttr attr)	void

Properties

Name	Type	Description
Attribute	EntityAttr	Gets or sets the attribute.
CustomFunc	string	Gets the custom func for expression if defined
DataType	DataType	Gets the type of the expression.
HasSubQuery	bool	Gets a boolean value indicating whether this expression contains a sub-query.
IsAggregate	bool	Gets a value indicating whether this expression is aggregate.
IsParentExpr	bool	Gets a value indicating whether this instance is a parent expression.
Kind	DataKind	Gets the expression kind.
Tag	int	Get the expression's tag - a special identifier that is used to distinguish the type of the expression .
Text	string	Gets the expression text. For this type it returns entity name + attribute caption.
Value	string	Gets or sets the expression value.

Methods

Name	Type	Description
AssignExpr(EqExpression expr)	void	Assigns some expression to this one. This method just does nothing in the base class but can perform some actions in Expression descendants.
LoadFromXmlReader(XmlReader reader)	void	Loads expression from XML.
ReadOnePropFromJsonAsync(JsonReader reader, string propName, CancellationToken ct)	Task	Reads one property of the expression (asynchronous way). or skips unused from the JSON reader.
SaveToXmlWriter(XmlWriter writer, string tagName)	void	Saves the expression to XML writer.
SetAttribute(EntityAttr attr)	void	Sets the entity attribute.
SetContentSilent(string val, string txt)	void	Sets the content of the expression silently (without calling ContentChanged event).
WritePropertiesToJsonAsync(JsonWriter writer, CancellationToken ct)	Task	Saves propeerties of the expression (asynchronous way). to JSON writer.