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IsBlank

Class

Tests whether a cell reference is empty and returns TRUE for blank cells, FALSE otherwise.

Definition

Assembly:Telerik.Windows.Documents.Spreadsheet.dll

Syntax:

public class IsBlank : FunctionBase

Inheritance: objectFunctionBaseIsBlank

Initializes a new ISBLANK function instance for testing whether cells are empty.

public IsBlank()

The name of the function.

public static readonly string FunctionName

Evaluates the function and returns TRUE if the argument is an empty cell or empty 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.