title: DataGridView column format
body: <p>There is my reading to DGV</p>
  <pre><code>public void ReadFromDB()
  {
      dataset = DB.ReadFromDB(&quot;SELECT * FROM orders&quot;);
      dataGridView1.DataSource = dataset.Tables[0];
  
      //another columns....
  
      DataGridViewColumn sellDate = new DataGridViewTextBoxColumn();
      sellDate.DataPropertyName = &quot;sell_date&quot;;
      sellDate.ReadOnly = true;
      sellDate.Name = &quot;Дата продажи&quot;;
      dataGridView1.Columns.Add(sellDate);
      dataGridView1.Columns[4].DefaultCellStyle.Format = &quot;dd/MM/yyyy&quot;;
      dataGridView1.Columns[4].Width = 80;
      dataGridView1.Update();
  }
  </code></pre>
  <p>Why formatting doesn't work?
  DefaultCellStyle.Format is set:</p>
  <p><a href="https://i.stack.imgur.com/Oe597.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/Oe597.jpg" alt="screen" /></a></p>