ADO HelpContext 屬性
定義和用法
HelpContext 屬性可返回一個(gè) 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(méi)有與Windows help system 結(jié)合的權(quán)限,HelpContext 屬性將返回零
語(yǔ)法
lngErrorContext=objErr.HelpContext
實(shí)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 %>