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LookupFunctionBase

Class

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

Definition

Namespace:Telerik.Windows.Documents.Spreadsheet.Expressions.Functions

Assembly:Telerik.Windows.Documents.Spreadsheet.dll

Syntax:

C#

public abstract class LookupFunctionBase : FunctionWithArguments

Inheritance: objectFunctionBaseFunctionWithArgumentsLookupFunctionBase

Derived Classes: HLookupLookupVLookup

Inherited Members FunctionWithArguments.EvaluateOverride(FunctionEvaluationContext<RadExpression>)FunctionBase.Evaluate(FunctionEvaluationContext<RadExpression>)FunctionBase.IsArgumentNumberValid(int)FunctionBase.NameFunctionBase.FunctionInfoFunctionBase.ArgumentConversionRules...

Constructors

LookupFunctionBase()

Initializes a new lookup function base instance.

C#

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.

C#

protected override RadExpression EvaluateOverride(FunctionEvaluationContext<object> context)

Parameters:contextFunctionEvaluationContext<object>

The context.

Returns:

Functions result as RadExpression.

Overrides: FunctionWithArguments.EvaluateOverride(FunctionEvaluationContext<object>)

In this article

Definition Constructors LookupFunctionBase()Methods EvaluateOverride(FunctionEvaluationContext<object>)

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