Class LookupFunctionBase

Abstract base for table lookup functions such as VLOOKUP, HLOOKUP, and LOOKUP, providing shared logic for searching and matching values in ranges.

Inheritance
System.Object
FunctionBase
FunctionWithArguments
LookupFunctionBase
HLookup
Lookup
VLookup
Inherited Members
System.Object.ToString()
System.Object.Equals(System.Object)
System.Object.Equals(System.Object, System.Object)
System.Object.ReferenceEquals(System.Object, System.Object)
System.Object.GetHashCode()
System.Object.GetType()
System.Object.MemberwiseClone()
Namespace: Telerik.Windows.Documents.Spreadsheet.Expressions.Functions
Assembly: Telerik.Windows.Documents.Spreadsheet.dll

Syntax

public abstract class LookupFunctionBase : FunctionWithArguments

Constructors

LookupFunctionBase()

Initializes a new lookup function base instance.

Declaration
protected LookupFunctionBase()

Methods

EvaluateOverride(FunctionEvaluationContext<Object>)

Evaluates the lookup function by extracting the lookup and result vectors, applying the search criteria, and returning the matched value.

Declaration
protected override RadExpression EvaluateOverride(FunctionEvaluationContext<object> context)
Parameters
FunctionEvaluationContext<System.Object> context

The context.
Returns
RadExpression

Functions result as RadExpression.
Overrides