abp/framework/src/Volo.Abp.BlazoriseUI/Components/PageAlert.razor

@foreach (var alert in Alerts)
{
    <Alert Visible="@alert.IsVisible" Dismisable="@alert.AlertMessage.Dismissible" Color="@GetAlertColor(alert.AlertMessage.Type)">
        @if (!string.IsNullOrEmpty(alert.AlertMessage.Title))
        {
            <Heading Size="HeadingSize.Is4" Class="alert-heading">
                @alert.AlertMessage.Title
                @if (alert.AlertMessage.Dismissible)
                {
                    <CloseButton Clicked="() => alert.IsVisible = false" />
                }
            </Heading>
        }
        <Paragraph>@alert.AlertMessage.Text</Paragraph>
    </Alert>
}