title: devart web api call procedure with entity framework context
body: <p>I have and web api and I use entity framework but for procedure I am calling procedure like code below</p>
  <pre><code>    public List&lt;PDS_SPR_ATAMA&gt; GetListAtama()
      {
          List&lt;PDS_SPR_ATAMA&gt; result = new List&lt;PDS_SPR_ATAMA&gt;();
          try
          {
              var param4 = new OracleParameter(&quot;PRC&quot;, OracleDbType.Cursor, ParameterDirection.Output);
              result = _db_dev.Database.SqlQuery&lt;PDS_SPR_ATAMA&gt;(
              &quot;BEGIN BMS.PA_HR_PORTAL.PR_GET_SPR_ATAMALAR(:V_PRC); end;&quot;, param4).ToList();
              return result;
          }
          catch (Exception ex)
          {
              return result;
          }
      }
  </code></pre>
  <p>as library I use</p>
  <pre><code>using Devart.Data.Oracle;
  </code></pre>
  <p>I take error below</p>
  <blockquote>
  <p>The Parameters collection only accepts
  Devart.Data.Oracle.OracleParameter type objects</p>
  </blockquote>
  <p>How can I solve problem. Thanks in advance</p>