private void btnUninstall_Click(object sender, EventArgs e)
 {
     try
     {
         cdb = new CustomerDBLayer();
         if (cdb.UninstallApp(lblAppName.Text, pID))
         {
             MessageBox.Show("App Uninstalled Successfully");
             btnInstall.Visible   = true;
             btnUninstall.Visible = false;
             adb = new ApplicationDBLayer();
             adb.LoadNoOfDownloads(lblAppName.Text);
             LoadDeviceInfo();
         }
         else
         {
             MessageBox.Show("App Uninstall Unsuccessful");
         }
     }
     catch (Exception ex)
     {
         MessageBox.Show(ex.Message);
     }
 }