private void IssueSTVInvoiceDetail_Load(object sender, EventArgs e) { _issue.LoadSTVDetails(_stvID); grdSTVInvoiceDetail.DataSource = _issue.DefaultView; BLL.Issue issue = new Issue(); issue.LoadByPrimaryKey(_stvID); lblDescription.Text = string.Format("STV/Invoice No: {0} Activity Name: {1}", issue.IsColumnNull("IDPrinted") ? issue.IDPrinted.ToString() : issue.IDPrinted.ToString() + "(Reprinted)", _activityName); }