# Formatting Tooltip Content

## Content



In FlexChart, it is possible to display number separators, current symbols, or date/time formats to add more details into tooltips.

FlexChart enables you to format the custom content in the tooltip by using standard and custom format strings. These format strings are a variety of Numeric and DateTime formats provided by .NET.

For information about these format strings, refer to **Numeric** and **DateTime** format strings.

The following image displays customized tooltip content showing the index and formatted values of the data point.

![](https://cdn.mescius.io/document-site-files/images/8ba28e07-1633-4a6a-9114-13b9f1f04eed/images/formattingtooltipcontent.png)

The following code compares and displays data of number of daily website visitors in a specific week. The code shows how to configure the ToolTipContent property to format tooltip content.

**xml**

```xml
<c1:C1FlexChart Name="flexChart"
                ToolTipContent="Index: {pointIndex}&#13;Day: {name}&#13;{seriesName}: {Visitors:F}">
</c1:C1FlexChart>
```