ISNA
Checks whether a value is <em>#N/A</em>, and returns -true or -false.
Syntax
expression.ISNA(arg1);
expression - A variable that represents a ApiWorksheetFunction class.
Parameters
| Name | Required/Optional | Data type | Default | Description |
|---|---|---|---|---|
| arg1 | Required | ApiRange | string | number | boolean | ApiName | The value to test. The value can be an empty cell, error, logical value, text, number, range, or range name. |
Returns
boolean
Example
This example shows how to check whether a value is N/A, and returns true or false.
- Code
- Result
// How to check if the cell contains N/A value.
// Use a function to check whether a range data is an N/A value.
let worksheet = Api.GetActiveSheet();
let func = Api.GetWorksheetFunction();
worksheet.GetRange("A1").SetValue(func.ISNA("#N/A"));
worksheet.GetRange("A2").SetValue(func.ISNA(255));
worksheet.GetRange("A3").SetValue(func.ISNA("www.example.com"));