Update README.md

Author: VimalaThirumalaikumar

README.md

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 # Creating-a-.NET-MAUI-Range-Column-Chart-to-Compare-Average-Temperatures-in-Rome
+A range column chart is a valuable tool for visualizing data intervals, enabling comparisons between categories or time periods. It's particularly useful for showing variations and trends in data sets with upper and lower values.
+
 This sample demonstrates how to create a Range Column Chart to compare average temperatures in Rome using .NET MAUI (SfCartesianChart).
+
+<img width="960" alt="Windows" src="https://github.com/SyncfusionExamples/Creating-a-.NET-MAUI-Range-Column-Chart-to-Compare-Average-Temperatures-in-Rome/assets/105496706/7dce8c7b-7745-4c54-8a7f-cdf9c648eac1">
+
+### Customizing Chart Appearance
+We can customize the chart appearance by the following ways:
+
+#### Customizing Range Column Series Placement
+We can customize the Cartesian chart by choosing whether the Range Column series should be placed side by side or overlapped.
+
+#### Adding a chart title
+A chart title provides essential context to the plotted data
+
+#### Chart Axis Customization
+We can further customize axis elements, including axis label style, axis label placement, and adjusting the axis range.
+
+#### Chart series Customization
+We can customize the chart series by applying the desired series color, and enabling or customizing data labels for each series in the chart.
+
+#### Chart Legend Customization
+The legend provides information about the data point displayed in the chart.
+