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PS: For good measure, I often see people adding a<br />

<pre><code id="code-20-39814384-1">Response.Flush()</code></pre>
before the .End() but that may be a remnant from the past and not really needed any more.
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PS: For good measure, I often see people adding a


Response.Flush()

before the .End() but that may be a remnant from the past and not really needed any more.

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<div class="content wysiwyg-content">
This causes good PDF documents to become corrupt. &nbsp;I cannot view them after downloading them from this:
<pre><code id="code-10-28349663-1">Dim pdfFileNew As System.IO.FileInfo
pdfFileNew = My.Computer.FileSystem.GetFileInfo(resultFile)
Response.Clear()
Response.AddHeader(&quot;Content-Disposition&quot;, &quot;attachment; filename=brochure.pdf&quot;)
Response.AddHeader(&quot;Content-Length&quot;, pdfFileNew.Length.ToString().Length)
Response.ContentType = &quot;application/octet-stream&quot;
Response.WriteFile(resultFile)
Response.End</code></pre>
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This causes good PDF documents to become corrupt.  I cannot view them after downloading them from this:(CODE)

ASP.NET/VB: Reading file causes it to become corrupt

Visual Basic .NET (VB.NET) is an object-oriented programming language implemented on the .NET framework, but also supported on other platforms such as Mono and Silverlight. Microsoft launched VB.NET as the successor to the Visual Basic language. Though it is similar in syntax to  Visual Basic pre-2002, it is not the same technology,

Visual Basic.NET

Active Server Pages (ASP) is Microsoft’s first server-side engine for dynamic web pages. ASP’s support of the Component Object Model (COM) enables it to access and use compiled libraries such as DLLs. It has been superseded by ASP.NET, but will be supported by Internet Information Services (IIS) through at least 2022.