Databases
StackOverflow2013
Postsdbo
PO
 

Note that there are some explanatory texts on larger screens.

plurals
  1. PO
    primarykey
    data
    text
    <p>To make sure that the connection is closed, replace the <code>ExecuteReader</code> call with the following:</p> <pre><code>return cmd.ExecuteReader(CommandBehavior.CloseConnection); </code></pre> <p>You should also remove te <code>try</code> / <code>finally</code> block.</p> <p>Also, in your <code>Page_Load</code> handler, you should use a <code>using</code> statement, like this:</p> <pre><code>using (SqlDataReader reader = DB.GetPost()) { //output the result reader.Read(); this.viewpost.InnerHtml = "&lt;span id='post1_CreatedDate'&gt;" + reader["CreatedDate"].ToString() + "&lt;/span&gt;&lt;br&gt;" + "&lt;span class='blogheads'&gt;" + reader["BlogTitle"].ToString() + "&lt;/span&gt;&lt;p&gt;&lt;p&gt;" + reader["BlogText"].ToString(); } </code></pre> <p>Also, you should check that the SQL query actually returned something, like this:</p> <pre><code>if (!reader.Read()) { Something's wrong } </code></pre> <p>Finally, <strong>and most important by far</strong>, you should escape your HTML to prevent XSS holes by calling <a href="http://msdn.microsoft.com/en-us/library/w3te6wfz.aspx" rel="noreferrer"><code>Server.HtmlEncode</code></a>.</p> <p>For example:</p> <pre><code> this.viewpost.InnerHtml = "&lt;span id='post1_CreatedDate'&gt;" + reader["CreatedDate"].ToString() + "&lt;/span&gt;&lt;br&gt;" + "&lt;span class='blogheads'&gt;" + Server.HtmlEncode(reader["BlogTitle"].ToString()) + "&lt;/span&gt;&lt;p&gt;&lt;p&gt;" + Server.HtmlEncode(reader["BlogText"].ToString()); </code></pre>
    singulars
    1. This table or related slice is empty.
    1. POAsp.Net: Returning a Reader from a Class
      singulars
      1. PTQuestion
    1. PTAnswer
    1. USSLaks
    1. USSLaks
    plurals
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. VO
      singulars
      1. PO
      1. This table or related slice is empty.
      1. VTUpMod
    2. VO
      singulars
      1. PO
      1. This table or related slice is empty.
      1. VTUpMod
    3. VO
      singulars
      1. PO
      1. This table or related slice is empty.
      1. VTUpMod
    1. COThanks for useful comments , hadn't even thought about XSS holes.
      singulars
      1. PO
      1. USMelt
    2. CO+1 for the great comment and mentioning html escape. Also, I've read that Textile.NET is a nice and easy way to prevent XSS holes when storing markup in the database. I've been meaning to use it, but haven't really had the chance (...yet). http://textilenet.codeplex.com/
      singulars
      1. PO
      1. USJim Schubert
 

Querying!

 
Guidance
A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

SQuiL has stopped working due to an internal error.

If you are curious you may find further information in the browser console, which is accessible through the devtools (F12).

Reload