YGYuvaraj Gajaraj Syncfusion Team January 20, 2023 12:38 PM UTC
Your requirement can be achieved in the following ways,
You can achieve this with the help of the crosshairBehaviorproperty in the chart, it will help you to show the current y value on the y-axis in the tooltip. The crosshair will be activated once you touch and hold it anywhere on the chart area. Once activated, it will appear in the UI and move based on your touch movement until you stop touching on the chart.We have shared the online demo sample link and UG documentation below for your reference.
Also, you can show the y-value of the current data point in the chart with the help of thedataLabelSettingsproperty in the series. We have shared the online sample and User Guide (UG) documentation below for your requirement.