correct codes

dataGridView1.Items.Add(column1.Text = doc.SummaryProperties.Title);
  dataGridView1.Items.Add(column2.Text = doc.SummaryProperties.Subject);
  dataGridView1.Items.Add(column3.Text = doc.SummaryProperties.Category);
  dataGridView1.Items.Add(column4.Text = doc.SummaryProperties.Author);
  dataGridView1.Items.Add(column5.Text = doc.SummaryProperties.LastSavedBy);
  dataGridView1.Items.Add(column6.Text = doc.SummaryProperties.Comments);
  dataGridView1.Items.Add(column7.Text = doc.SummaryProperties.RevisionNumber);
  dataGridView1.Items.Add(column8.Text = doc.SummaryProperties.Company);
  dataGridView1.Items.Add(column9.Text = doc.SummaryProperties.DateLastSaved);
  dataGridView1.Items.Add(column10.Text = doc.SummaryProperties.PageCount);
  dataGridView1.Items.Add(column11.Text = doc.SummaryProperties.Version);