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IsNumber

Class

Tests whether a value is a number and returns TRUE for numeric values, FALSE otherwise.

Definition

Assembly:Telerik.Windows.Documents.Spreadsheet.dll

Syntax:

public class IsNumber : FunctionBase

Inheritance: objectFunctionBaseIsNumber

Initializes a new ISNUMBER function instance for testing whether values are numeric.

public IsNumber()

The name of the function.

public static readonly string FunctionName

Evaluates the function and returns TRUE if the argument is a number expression, FALSE otherwise.

protected override RadExpression EvaluateOverride(FunctionEvaluationContext<RadExpression> context)

The context.

Returns:

Function result as RadExpression.

Gets metadata describing the function's category, parameters, and localization keys.

public override FunctionInfo FunctionInfo { get; }

Property Value:

The function info as FunctionInfo.

Gets the function name identifier used in formulas.

public override string Name { get; }

Property Value:

The name as String.