[Chartjs]-Chart content not getting displayed in ionic

I managed to solve my problem. This is what I was missing the prefix chart before every tag.

<canvas id="line" class="chart chart-pie" chart-colors="dashboardCtrl.labelColors" chart-data="dashboardCtrl.data" chart-labels="dashboardCtrl.labels" legend="true" chart-series="dashboardCtrl.series" chart-options="{showTooltips: false}"></canvas>