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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)
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