Class IsNull

IsNull provides the user the possibility to validate if an expression Is NULL.

Inheritance

Object

QueryElement

Restriction

NullOperators

IsNull

Implements

ICloneable

Inherited Members

NullOperators._left

NullOperators.GetSubElements()

NullOperators.Left

Restriction.And(Restriction)

Restriction.Or(Restriction)

Restriction.RestrictionAnd(Restriction, Restriction)

Restriction.RestrictionOr(Restriction, Restriction)

Object.Equals(Object)

Object.Equals(Object, Object)

Object.ReferenceEquals(Object, Object)

Object.GetHashCode()

Object.GetType()

Object.MemberwiseClone()

Namespace: SuperOffice.Data.SQL

Assembly: SoDataBase.dll

Syntax

public sealed class IsNull : NullOperators, ICloneable

Methods

Clone()

Clone the query. Parameter values are shared between the original and the clone.

Declaration

public override object Clone()

Returns

Type	Description
Object	Copy of the node and its sub-elements

Overrides

QueryElement.Clone()

Remarks

This method is used by the to modify a query with sentry extensions without affecting the original query.

ToString()

String output.

Declaration

public override string ToString()

Returns

Type	Description
String	ISNULL(a)

Overrides

Object.ToString()

Implements

System.ICloneable

Extension Methods

EnumUtil.MapEnums<From, To>(From)

Converters.MapEnums<From, To>(From)