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ASP.Net/Development/HttpException - История изменений
2026-04-30T08:39:41Z
История изменений этой страницы в вики
MediaWiki 1.30.0
http://nfex.ru/index.php?title=ASP.Net/Development/HttpException&diff=1704&oldid=prev
в 15:30, 26 мая 2010
2010-05-26T15:30:47Z
<p></p>
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<tr style="vertical-align: top;" lang="ru">
<td colspan="1" style="background-color: white; color:black; text-align: center;">← Предыдущая</td>
<td colspan="1" style="background-color: white; color:black; text-align: center;">Версия 15:30, 26 мая 2010</td>
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</td></tr></table>
http://nfex.ru/index.php?title=ASP.Net/Development/HttpException&diff=1705&oldid=prev
Admin: 1 версия
2010-05-26T11:51:15Z
<p>1 версия</p>
<p><b>Новая страница</b></p><div>==Convert Http Exception to String==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="vb" EnableSessionState="false" %><br />
<html><br />
<head><br />
<script runat="server"><br />
Sub Page_Load()<br />
Try<br />
Session("foo") = "Foo"<br />
Catch HttpEx As HttpException<br />
Message.Text = "ERROR:</br>"<br />
Message.Text &= "String Representation of Exception: " & _<br />
HttpEx.ToString() & "</br>"<br />
End Try<br />
End Sub<br />
</script><br />
</head><br />
<body><br />
<asp:label id="Message" forecolor="red" runat="server"/><br />
</body><br />
</html><br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==Create a HttpException with error code==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="vb" %><br />
<html><br />
<head><br />
<script runat="server"><br />
Sub Page_Load()<br />
Try<br />
Throw New HttpException("Threw an error from Page_Load", 100)<br />
Catch HttpEx As HttpException<br />
Message.Text = "ERROR:</br>"<br />
Message.Text &= "Message: " & HttpEx.Message & "</br>"<br />
Message.Text &= "Error Code: " & HttpEx.ErrorCode & "</br>"<br />
End Try<br />
End Sub<br />
</script><br />
</head><br />
<body><br />
<asp:label id="Message" forecolor="red" runat="server"/><br />
</body><br />
</html><br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==Get an Innter Exception Out==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="vb" %><br />
<html><br />
<head><br />
<script runat="server"><br />
Sub Page_Load()<br />
Try<br />
Dim myHttpEx As _<br />
New HttpException("This is a nested exception")<br />
Throw New HttpException("Threw an exception from Page_Load", _<br />
myHttpEx)<br />
Catch HttpEx As HttpException<br />
Dim InnerHttpEx As HttpException<br />
InnerHttpEx = HttpEx.InnerException<br />
Message.Text = "ERROR:</br>"<br />
Message.Text &= "Message: " & HttpEx.Message & "</br>"<br />
Message.Text &= "Inner Exception Message: " & _<br />
InnerHttpEx.Message & "</br>"<br />
End Try<br />
End Sub<br />
</script><br />
</head><br />
<body><br />
<asp:label id="Message" forecolor="red" runat="server"/><br />
</body><br />
</html><br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==Get Base Exception==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="vb" %><br />
<html><br />
<head><br />
<script runat="server"><br />
Sub Page_Load()<br />
Try<br />
Dim myHttpEx As _<br />
New HttpException("This is the original exception")<br />
Dim myHttpEx2 As _<br />
New HttpException("This is a nested exception", myHttpEx)<br />
Throw New HttpException("Threw an exception from Page_Load", myHttpEx2)<br />
Catch HttpEx As HttpException<br />
Dim InnerHttpEx As HttpException<br />
InnerHttpEx = HttpEx.InnerException<br />
Message.Text = "ERROR:</br>"<br />
Message.Text &= "Message: " & HttpEx.Message & "</br>"<br />
Message.Text &= "Inner Exception Message: " & _<br />
InnerHttpEx.Message & "</br>"<br />
Message.Text &= "Base Exception Message: " & _<br />
InnerHttpEx.GetBaseException.Message & "</br>"<br />
End Try<br />
End Sub<br />
</script><br />
</head><br />
<body><br />
<asp:label id="Message" forecolor="red" runat="server"/><br />
</body><br />
</html><br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==Get Html Error Message()==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="vb" EnableSessionState="false" %><br />
<html><br />
<head><br />
<script runat="server"><br />
Sub Page_Load()<br />
Try<br />
Server.Execute("DoesNotExist.aspx")<br />
Catch HttpEx As HttpException<br />
Message.Text = "ERROR:</br>"<br />
Message.Text &= "Http Error Message: " & _<br />
HttpEx.GetHtmlErrorMessage() & "</br>"<br />
End Try<br />
End Sub<br />
</script><br />
</head><br />
<body><br />
<asp:label id="Message" forecolor="red" runat="server"/><br />
</body><br />
</html><br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==Get Http Code from HttpException==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="vb" %><br />
<html><br />
<head><br />
<script runat="server"><br />
Sub Page_Load()<br />
Try<br />
Server.Execute("Foo.aspx")<br />
Catch HttpEx As HttpException<br />
Message.Text = "ERROR:</br>"<br />
Message.Text &= "Http Status Code: " & _<br />
HttpEx.GetHttpCode() & "</br>"<br />
End Try<br />
End Sub<br />
</script><br />
</head><br />
<body><br />
<asp:label id="Message" forecolor="red" runat="server"/><br />
</body><br />
</html><br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==HttpException: ErrorCode==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="vb" EnableSessionState="false" %><br />
<html><br />
<head><br />
<script runat="server"><br />
Sub Page_Load()<br />
Try<br />
Session("foo") = "Foo"<br />
Catch HttpEx As HttpException<br />
Message.Text = "ERROR:</br>"<br />
Message.Text &= "Message: " & HttpEx.Message & "</br>"<br />
Message.Text &= "Help Link: " & HttpEx.HelpLink & "</br>"<br />
Message.Text &= "Error Code: " & HttpEx.ErrorCode & "</br>"<br />
Message.Text &= "Source: " & HttpEx.Source & "</br>"<br />
Message.Text &= "Stack Trace: " & HttpEx.StackTrace & "</br>"<br />
Message.Text &= "Target Site: " & HttpEx.TargetSite.ToString() & "</br>"<br />
Message.Text &= "Http Error Message: " & HttpEx.GetHtmlErrorMessage() & "</br>"<br />
Message.Text &= "Http Error Code: " & HttpEx.GetHttpCode() & "</br>"<br />
Message.Text &= "String: " & HttpEx.ToString() & "</br>"<br />
End Try<br />
End Sub<br />
</script><br />
</head><br />
<body><br />
<asp:label id="Message" forecolor="red" runat="server"/><br />
</body><br />
</html><br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==HttpException: GetHtmlErrorMessage()==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="vb" EnableSessionState="false" %><br />
<html><br />
<head><br />
<script runat="server"><br />
Sub Page_Load()<br />
Try<br />
Session("foo") = "Foo"<br />
Catch HttpEx As HttpException<br />
Message.Text = "ERROR:</br>"<br />
Message.Text &= "Message: " & HttpEx.Message & "</br>"<br />
Message.Text &= "Help Link: " & HttpEx.HelpLink & "</br>"<br />
Message.Text &= "Error Code: " & HttpEx.ErrorCode & "</br>"<br />
Message.Text &= "Source: " & HttpEx.Source & "</br>"<br />
Message.Text &= "Stack Trace: " & HttpEx.StackTrace & "</br>"<br />
Message.Text &= "Target Site: " & HttpEx.TargetSite.ToString() & "</br>"<br />
Message.Text &= "Http Error Message: " & HttpEx.GetHtmlErrorMessage() & "</br>"<br />
Message.Text &= "Http Error Code: " & HttpEx.GetHttpCode() & "</br>"<br />
Message.Text &= "String: " & HttpEx.ToString() & "</br>"<br />
End Try<br />
End Sub<br />
</script><br />
</head><br />
<body><br />
<asp:label id="Message" forecolor="red" runat="server"/><br />
</body><br />
</html><br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==HttpException: GetHttpCode()==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="vb" EnableSessionState="false" %><br />
<html><br />
<head><br />
<script runat="server"><br />
Sub Page_Load()<br />
Try<br />
Session("foo") = "Foo"<br />
Catch HttpEx As HttpException<br />
Message.Text = "ERROR:</br>"<br />
Message.Text &= "Message: " & HttpEx.Message & "</br>"<br />
Message.Text &= "Help Link: " & HttpEx.HelpLink & "</br>"<br />
Message.Text &= "Error Code: " & HttpEx.ErrorCode & "</br>"<br />
Message.Text &= "Source: " & HttpEx.Source & "</br>"<br />
Message.Text &= "Stack Trace: " & HttpEx.StackTrace & "</br>"<br />
Message.Text &= "Target Site: " & HttpEx.TargetSite.ToString() & "</br>"<br />
Message.Text &= "Http Error Message: " & HttpEx.GetHtmlErrorMessage() & "</br>"<br />
Message.Text &= "Http Error Code: " & HttpEx.GetHttpCode() & "</br>"<br />
Message.Text &= "String: " & HttpEx.ToString() & "</br>"<br />
End Try<br />
End Sub<br />
</script><br />
</head><br />
<body><br />
<asp:label id="Message" forecolor="red" runat="server"/><br />
</body><br />
</html><br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==HttpException: HelpLink==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="vb" EnableSessionState="false" %><br />
<html><br />
<head><br />
<script runat="server"><br />
Sub Page_Load()<br />
Try<br />
Session("foo") = "Foo"<br />
Catch HttpEx As HttpException<br />
Message.Text = "ERROR:</br>"<br />
Message.Text &= "Message: " & HttpEx.Message & "</br>"<br />
Message.Text &= "Help Link: " & HttpEx.HelpLink & "</br>"<br />
Message.Text &= "Error Code: " & HttpEx.ErrorCode & "</br>"<br />
Message.Text &= "Source: " & HttpEx.Source & "</br>"<br />
Message.Text &= "Stack Trace: " & HttpEx.StackTrace & "</br>"<br />
Message.Text &= "Target Site: " & HttpEx.TargetSite.ToString() & "</br>"<br />
Message.Text &= "Http Error Message: " & HttpEx.GetHtmlErrorMessage() & "</br>"<br />
Message.Text &= "Http Error Code: " & HttpEx.GetHttpCode() & "</br>"<br />
Message.Text &= "String: " & HttpEx.ToString() & "</br>"<br />
End Try<br />
End Sub<br />
</script><br />
</head><br />
<body><br />
<asp:label id="Message" forecolor="red" runat="server"/><br />
</body><br />
</html><br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==HttpException: Message==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="vb" EnableSessionState="false" %><br />
<html><br />
<head><br />
<script runat="server"><br />
Sub Page_Load()<br />
Try<br />
Session("foo") = "Foo"<br />
Catch HttpEx As HttpException<br />
Message.Text = "ERROR:</br>"<br />
Message.Text &= "Message: " & HttpEx.Message & "</br>"<br />
Message.Text &= "Help Link: " & HttpEx.HelpLink & "</br>"<br />
Message.Text &= "Error Code: " & HttpEx.ErrorCode & "</br>"<br />
Message.Text &= "Source: " & HttpEx.Source & "</br>"<br />
Message.Text &= "Stack Trace: " & HttpEx.StackTrace & "</br>"<br />
Message.Text &= "Target Site: " & HttpEx.TargetSite.ToString() & "</br>"<br />
Message.Text &= "Http Error Message: " & HttpEx.GetHtmlErrorMessage() & "</br>"<br />
Message.Text &= "Http Error Code: " & HttpEx.GetHttpCode() & "</br>"<br />
Message.Text &= "String: " & HttpEx.ToString() & "</br>"<br />
End Try<br />
End Sub<br />
</script><br />
</head><br />
<body><br />
<asp:label id="Message" forecolor="red" runat="server"/><br />
</body><br />
</html><br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==Http Exception Source==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="vb" EnableSessionState="false" %><br />
<html><br />
<head><br />
<script runat="server"><br />
Sub Page_Load()<br />
Try<br />
Session("foo") = "Foo"<br />
Catch HttpEx As HttpException<br />
Message.Text = "ERROR:</br>"<br />
Message.Text &= "Message: " & HttpEx.Message & "</br>"<br />
Message.Text &= "Source: " & HttpEx.Source & "</br>"<br />
End Try<br />
End Sub<br />
</script><br />
</head><br />
<body><br />
<asp:label id="Message" forecolor="red" runat="server"/><br />
</body><br />
</html><br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==Http Exception Stace Trace==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="vb" %><br />
<html><br />
<head><br />
<script runat="server"><br />
Sub Page_Load()<br />
Try<br />
ThrowMeAnException<br />
Catch HttpEx As HttpException<br />
Message.Text = "ERROR:</br>"<br />
Message.Text &= "Message: " & HttpEx.Message & "</br>"<br />
Message.Text &= "Stack Trace: " & HttpEx.StackTrace & "</br>"<br />
End Try<br />
End Sub<br />
Sub ThrowMeAnException()<br />
Throw New HttpException("Threw an error from ThrowMeAnException")<br />
End Sub<br />
</script><br />
</head><br />
<body><br />
<asp:label id="Message" forecolor="red" runat="server"/><br />
</body><br />
</html><br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==HttpException: StackTrace==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="vb" EnableSessionState="false" %><br />
<html><br />
<head><br />
<script runat="server"><br />
Sub Page_Load()<br />
Try<br />
Session("foo") = "Foo"<br />
Catch HttpEx As HttpException<br />
Message.Text = "ERROR:</br>"<br />
Message.Text &= "Message: " & HttpEx.Message & "</br>"<br />
Message.Text &= "Help Link: " & HttpEx.HelpLink & "</br>"<br />
Message.Text &= "Error Code: " & HttpEx.ErrorCode & "</br>"<br />
Message.Text &= "Source: " & HttpEx.Source & "</br>"<br />
Message.Text &= "Stack Trace: " & HttpEx.StackTrace & "</br>"<br />
Message.Text &= "Target Site: " & HttpEx.TargetSite.ToString() & "</br>"<br />
Message.Text &= "Http Error Message: " & HttpEx.GetHtmlErrorMessage() & "</br>"<br />
Message.Text &= "Http Error Code: " & HttpEx.GetHttpCode() & "</br>"<br />
Message.Text &= "String: " & HttpEx.ToString() & "</br>"<br />
End Try<br />
End Sub<br />
</script><br />
</head><br />
<body><br />
<asp:label id="Message" forecolor="red" runat="server"/><br />
</body><br />
</html><br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==Http Exception Target Site==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="vb" EnableSessionState="false" %><br />
<html><br />
<head><br />
<script runat="server"><br />
Sub Page_Load()<br />
Try<br />
Session("foo") = "Foo"<br />
Catch HttpEx As HttpException<br />
Message.Text = "ERROR:</br>"<br />
Message.Text &= "Message: " & HttpEx.Message & "</br>"<br />
Message.Text &= "Target Site: " & HttpEx.TargetSite.Name & "</br>"<br />
End Try<br />
End Sub<br />
</script><br />
</head><br />
<body><br />
<asp:label id="Message" forecolor="red" runat="server"/><br />
</body><br />
</html><br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==Indicate the Help link for Http Exception==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="vb" %><br />
<html><br />
<head><br />
<script runat="server"><br />
Sub Page_Load()<br />
Try<br />
Dim myHttpEx As _<br />
New HttpException("Threw an exception from Page_Load")<br />
myHttpEx.HelpLink = "http://www.nfex.ru"<br />
Throw myHttpEx<br />
Catch HttpEx As HttpException<br />
Message.Text = "ERROR:</br>"<br />
Message.Text &= "Message: " & HttpEx.Message & "</br>"<br />
Message.Text &= "Help Link: " & HttpEx.HelpLink & "</br>"<br />
End Try<br />
End Sub<br />
</script><br />
</head><br />
<body><br />
<asp:label id="Message" forecolor="red" runat="server"/><br />
</body><br />
</html><br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==Inner Exception==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="vb" %><br />
<html><br />
<head><br />
<script runat="server"><br />
Sub Page_Load()<br />
Try<br />
Dim myHttpEx As _<br />
New HttpException("This is the original exception")<br />
Dim myHttpEx2 As _<br />
New HttpException("This is a nested exception", myHttpEx)<br />
Throw New HttpException("Threw an exception from Page_Load", myHttpEx2)<br />
Catch HttpEx As HttpException<br />
Dim InnerHttpEx As HttpException<br />
InnerHttpEx = HttpEx.InnerException<br />
Message.Text = "ERROR:</br>"<br />
Message.Text &= "Message: " & HttpEx.Message & "</br>"<br />
Message.Text &= "Inner Exception Message: " & _<br />
InnerHttpEx.Message & "</br>"<br />
Message.Text &= "Base Exception Message: " & _<br />
InnerHttpEx.GetBaseException.Message & "</br>"<br />
End Try<br />
End Sub<br />
</script><br />
</head><br />
<body><br />
<asp:label id="Message" forecolor="red" runat="server"/><br />
</body><br />
</html><br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==Set Http Exception Message==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="vb" %><br />
<html><br />
<head><br />
<script runat="server"><br />
Sub Page_Load()<br />
Try<br />
Throw New HttpException("Threw an error from Page_Load")<br />
Catch HttpEx As HttpException<br />
Message.Text = "ERROR:</br>"<br />
Message.Text &= "Message: " & HttpEx.Message & "</br>"<br />
End Try<br />
End Sub<br />
</script><br />
</head><br />
<body><br />
<asp:label id="Message" forecolor="red" runat="server"/><br />
</body><br />
</html><br />
<br />
</source></div>
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