columns.width String|Number

The width of the column. Numeric values are treated as pixels.

Example

<input id="multicolumncombobox" />
<script>
    $("#multicolumncombobox").kendoMultiColumnComboBox({
        dataTextField: "text",
        dataValueField: "value",
        dataSource: [
            { text: "Apples", value: "1" },
            { text: "Oranges", value: "2" }
        ],
        columns: [
            { field: "text", headerTemplate: "<strong>Text</strong>", width: "100px" },
            { field: "value", headerTemplate: "<strong>Value</strong>", width: 100 }
        ]
    });
</script>