Class IsBlank

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

Inheritance
System.Object
FunctionBase
IsBlank
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 class IsBlank : FunctionBase

Constructors

IsBlank()

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

Declaration
public IsBlank()

Fields

FunctionName

The name of the function.

Declaration
public static readonly string FunctionName
Field Value
System.String

Properties

FunctionInfo

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

Declaration
public override FunctionInfo FunctionInfo { get; }
Property Value
FunctionInfo

The function info as FunctionInfo.
Overrides

Name

Gets the function name identifier used in formulas.

Declaration
public override string Name { get; }
Property Value
System.String

The name as String.
Overrides

Methods

EvaluateOverride(FunctionEvaluationContext<RadExpression>)

Evaluates the function and returns TRUE if the argument is an empty cell or empty expression, FALSE otherwise.

Declaration
protected override RadExpression EvaluateOverride(FunctionEvaluationContext<RadExpression> context)
Parameters
FunctionEvaluationContext<RadExpression> context

The context.
Returns
RadExpression

Function result as RadExpression.
Overrides