An EqExpression descendant that represents an entity attribute.
public class Korzh.EasyQuery.EntityAttrExpr
: EqExpression
Package: Korzh.EasyQuery (targets: netstandard2.0)
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. |
| 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) |
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) |
Task |
Saves propeerties of the expression (asynchronous way). to JSON writer. |