97 lines
4.4 KiB
HTML
97 lines
4.4 KiB
HTML
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<H4><A NAME="_binaryread"></A><SUP></SUP>BinaryRead</H4>
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<P>The <B>BinaryRead</B> method retrieves data sent to the server from the client as part of a POST request. This method retrieves the data from the client and stores it in a <B>SafeArray</B>. A <B>SafeArray</B> is an array that contains information about the number of dimensions and the bounds of its dimensions.</P>
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<H6>Syntax</H6>
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<P><I>variant</I> = <B>Request.BinaryRead</B>(<I>count</I>)</P>
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<P> </P>
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<H6>Parameters</H6>
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<DL>
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<DT><I>variant</I></DT>
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<DD>Contains an array of unsigned bytes returned by this method. This parameter will be of type VT_ARRAY | VT_UI1, which is a variant array of unsigned one byte characters.<BR>
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</DD>
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<DT><I>count</I></DT>
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<DD>Before execution, specifies how many bytes to read from the client. After this method returns, <I>count</I> will contain the number of bytes successfully read from the client. The total number of bytes that will actually be read is less than or equal to <B>Request.TotalBytes</B>.</DD>
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</DL>
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<H6>Remarks</H6>
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<P>The <B>BinaryRead</B> method is used to read the raw data sent by the client as part of a POST request. This method is used for low-level access to this data, as opposed to, for example, using the <B>Request.Form</B> collection to view form data sent in a POST request. Once you have called <B>BinaryRead</B>, referring to any variable in the <B>Request.Form</B> collection will cause an error. Conversely, once you have referred to a variable in the <B>Request.Form</B> collection, calling <B>BinaryWrite</B> will cause an error. Remember, if you access a variable in the <B>Request </B>collection without specifying which subcollection it belongs to, the <B>Request.Form</B> collection may be searched, bringing this rule into force.</P>
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<H6>Example</H6>
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<P>The following example uses the <B>BinaryRead</B> method to place the content of a request into a safe array.</P>
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<PRE><CODE><%
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Dim vntPostedData, lngCount
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lngCount = Request.TotalBytes
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vntPostedData = Request.BinaryRead(lngCount)
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%>
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</CODE></PRE>
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<H6>Applies To</H6>
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<P><A HREF="/iishelp/iis/htm/asp/vbob5ulw.htm"><B>Request</B> Object</A></P>
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<H6>See Also</H6>
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<P><A HREF="/iishelp/iis/htm/asp/vbob1whf.htm"><B>TotalBytes</B></A>, <A HREF="/iishelp/iis/htm/asp/vbob8q5h.htm"><B>ClientCertificate</B></A>, <A HREF="/iishelp/iis/htm/asp/vbob0z3o.htm"><B>Cookies</B></A>, <A HREF="/iishelp/iis/htm/asp/vbob4fl9.htm"><B>Form</B></A>, <A HREF="/iishelp/iis/htm/asp/vbob53hj.htm"><B>QueryString</B></A>, <A HREF="/iishelp/iis/htm/asp/vbob5vsj.htm"><B>ServerVariables</B></A></P>
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<p align="center"><em><a href="../../../common/colegal.htm">© 1997-2001 Microsoft Corporation. All rights reserved.</a></em></p>
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