title: Show hidden textbox and label after dropdownlist selectedindex changed
body: <p>C# code:</p>
  
  <pre><code>    protected void DropDownListDB_SelectedIndexChanged(object sender, EventArgs e)
      {
          if (DropDownListDB.SelectedValue == "Other")
          {
              LabelIfOtherDb.Visible = true;
              TextBoxIfOtherDb.Visible = true;
          }
      }
  </code></pre>
  
  <p>ASP code:</p>
  
  <pre><code>                &lt;asp:DropDownList AutoPostBack="True" ID="DropDownListDB" runat="server" Height="20px" 
                      Width="158px"&gt;
                      &lt;asp:ListItem&gt;- Select -&lt;/asp:ListItem&gt;
                      &lt;asp:ListItem&gt;Oracle&lt;/asp:ListItem&gt;
                      &lt;asp:ListItem&gt;MS SQL Server&lt;/asp:ListItem&gt;
                      &lt;asp:ListItem&gt;MySQL&lt;/asp:ListItem&gt;
                      &lt;asp:ListItem&gt;MS Access&lt;/asp:ListItem&gt;
                      &lt;asp:ListItem&gt;Other&lt;/asp:ListItem&gt;
                  &lt;/asp:DropDownList&gt;
  </code></pre>
  
  <p>I have <code>AutoPostBack="True"</code> but still it doesn't show my hidden textbox/label.. Any suggestions?</p>