private void ReportRemove(ReportVM rvm)
        {
            if (System.Windows.Forms.MessageBox.Show("确定要删除该模板吗", "询问",
                                                     System.Windows.Forms.MessageBoxButtons.OKCancel) == System.Windows.Forms.DialogResult.Cancel)
            {
                return;
            }

            if (!ReportList.Contains(rvm))
            {
                return;
            }

            ReportList.Remove(rvm);
            File.Delete(rvm.ReportPath);
            File.Delete(rvm.DataPath);
            SaveReportList();

            if (ReportList.Count > 0)
            {
                SelectedReport = ReportList[0];
            }
        }