ADO HelpContext 属性

定义和用法

HelpContext 属性可返回一个 long 值，该值帮助文件中主题的上下文 ID。

该属性允许您与 Windows 帮助系统结合，例如，您可以调用 Windows 的 API 帮助函数。

如果没有与Windows help system 结合的权限，HelpContext 属性将返回零

语法

lngErrorContext=objErr.HelpContext

实例

<%
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
%>