Google Bar-Chart( Having Filter) With Different Colors in Bars for each column
问题 Below is my javascript for google-chart <script type="text/javascript"> google.load('visualization', '1.1', {packages: ['controls']}); </script> <script type="text/javascript"> function drawVisualization() { // Prepare the data var data = google.visualization.arrayToDataTable([ ['Country', 'Position', 'Prosthethis type', 'Units'], ['Europe', 'Aortic', 'Mechanical', 5007], ['Europe', 'Aortic', 'Biological', 15434], ['Europe', 'Mitral', 'Mechanical', 1974], ['Europe', 'Mitral', 'Biological',