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IsError

Class

Tests whether a value is any error and returns TRUE for any error value including #N/A, FALSE otherwise.

Definition

Assembly:Telerik.Windows.Documents.Spreadsheet.dll

Syntax:

public class IsError : FunctionBase

Inheritance: objectFunctionBaseIsError

Initializes a new ISERROR function instance for testing whether values are any error type.

public IsError()

The name of the function.

public static readonly string FunctionName

Evaluates the function and returns TRUE if the argument is any error 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.