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POHTTP Error 400 - Bad Request due to FileUpload control in vb.net
 

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  1. POHTTP Error 400 - Bad Request due to FileUpload control in vb.net
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    <p>I have a web form(.net framework 4) which contains a submit button and a FileUpload control.When I debug the website from visual studio 2010, the form appears as intended.When I upload a file with size > 438k(as per my observations.Actual value of maximum file size is unknown,but for file with size 200K, it is working),I get the following error on clicking the button.</p> <pre><code>Server Error in '/Dpp2012New' Application. HTTP Error 400 - Bad Request. Version Information: ASP.NET Development Server 10.0.0.0 </code></pre> <p>When I upload a file with size less than above limit, code functions as usual. The onclick event handler codebehind is:</p> <pre><code>Protected Sub Button1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button1.Click If FileUpload1.HasFile Then MsgBox("Has file!") End If End Sub </code></pre> <p>After scratching through the net(<a href="https://stackoverflow.com/questions/5936571/how-to-make-the-asp-file-upload-control-accept-large-files">this</a> SO post), I added this in web.config:</p> <pre><code> &lt;system.web&gt; &lt;httpRuntime maxRequestLength="102400" executionTimeout="360"/&gt; &lt;/system.web&gt; </code></pre> <p>This should have solved the issue.But it does not. Any help to solve the problem would be highly appreciated.</p>
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    1. CODo you have custom error pages enabled, or first-chance exceptions for debugging?
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    2. COWhat did u mean by custom error pages? or first-chance exceptions? and how to check whether they are enabled or not?@STW
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    3. COwhat code is present inside Submit button ?
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      1. USWaqar Janjua
 

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