Docs API Reference

TableBinding.columnCount property

Gets the number of columns in the table, as an integer value.

Hosts: Access, Excel,Word
Available in Requirement set TableBindings
Last changed in 1.1
var colCount = bindingObj.columnCount;

Return Value

The number of columns in the specified TableBinding object.


function showBindingColumnCount() {
    Office.context.document.bindings.getByIdAsync("myBinding", function (asyncResult) {
        write("Column: " + asyncResult.value.columnCount);
// Function that writes to a div with id='message' on the page.
function write(message){
    document.getElementById('message').innerText += message; 

Support details

A capital Y in the following matrix indicates that this property is supported in the corresponding Office host application. An empty cell indicates that the Office host application doesn't support this property.

For more information about Office host application and server requirements, see Requirements for running Office Add-ins.

Supported hosts, by platform

Office for Windows desktop Office Online (in browser) Office for iPad
Access Y
Excel Y Y Y
Word Y Y
Available in requirement sets TableBindings
Minimum permission level WriteDocument
Add-in types Content, task pane
Library Office.js
Namespace Office

Support history

Version Changes
1.1 Added support for Excel and Word in Office for iPad.
1.1 Added support for add-ins for Access.
1.0 Introduced