定義和用法

HelpContext 屬性可返回一個 long 值，該值幫助文件中主題的上下文 ID。

該屬性允許您與 Windows 幫助系統(tǒng)結(jié)合，例如，您可以調(diào)用 Windows 的 API 幫助函數(shù)。

如果沒有與Windows help system 結(jié)合的權(quán)限，HelpContext 屬性將返回零

語法

lngErrorContext=objErr.HelpContext

實例

<%
for each objErr in objConn.Errors
  response.write("<p>")
  response.write("Description: ")
  response.write(objErr.Description & "<br />")
  response.write("Help context: ")
  response.write(objErr.HelpContext & "<br />")
  response.write("Help file: ")
  response.write(objErr.HelpFile & "<br />")
  response.write("Native error: ")
  response.write(objErr.NativeError & "<br />")
  response.write("Error number: ")
  response.write(objErr.Number & "<br />")
  response.write("Error source: ")
  response.write(objErr.Source & "<br />")
  response.write("SQL state: ")
  response.write(objErr.SQLState & "<br />")
  response.write("</p>")
next
%>