protected void ProcessTrackingNumbersButton_Click(object sender, EventArgs e)
{
try
{
RegisterAsyncTask(new PageAsyncTask(async() =>
{
var trackingNumbers = (List <string>)Session["TrackingNumbersDataSource"];
var trackingPackages = await TrackingManager.GetTrackingInfo(trackingNumbers);
TrackingInfoGrid.DataSource = Session["TrackingInfoDataSource"] = trackingPackages;
TrackingInfoGrid.DataBind();
MainPanel.Visible = false;
TrackingInfoPanel.Visible = true;
}));
}
catch (Exception ex)
{
ErrorLbl.Text = ex.Message;
}
}