Fileupload and javascript or custom validator

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Hello,

i have a asp:fileupload for uploading files.
But i need some javascript or can use custom validator to show the content length of fileupload can not exceed a limit.

Posted 29-Aug-11 23:19pm

leonidasvijay

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hitech_s 30-Aug-11 5:30am

file upload is for images or documents..?

3 solutions

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RaisKazi · Answer 1 · 2011-08-29T23:33:00

Solution 1

Using Custom Validator Control.
http://www.codedigest.com/CodeDigest/65-File-Size-Validation-in-FileUpload-control-in-ASP-Net.aspx

Using Javascript
http://forums.asp.net/t/1373336.aspx

Posted 29-Aug-11 23:33pm

RaisKazi

Comments

@nuraGGupta@ 30-Aug-11 5:35am

Good links. Take 5.

RaisKazi 30-Aug-11 5:37am

Thank you.

leonidasvijay 30-Aug-11 5:49am

can this happen on client side.
like we r using custom validator. and we can use client validation function.
hav any suggestion

Anuja Pawar Indore · Answer 2 · 2011-08-29T23:57:00

C#

<asp:fileupload id="FileUpload1" runat="server" xmlns:asp="#unknown" />

Put a div behind

HTML

to hold the error message

XML

<div id="spnErrorLogo" runat="server">
                                            </div>

Now add the following code at code behind

C#

Int64 intFileSize = Convert.ToInt64(FileUpload1.PostedFile.ContentLength);
                if (intFileSize > 3145728)
                {
                    spnErrorLogo.InnerHtml = "Maximum file size exceeded.
 Please upload a file less than 3 MB in size.";
}

maya-123 · Answer 3 · 2011-08-30T00:20:00

If you are uploading larger type file
in Web.config

XML

<system.web>

<httpruntime>
executionTimeout="90" 
maxRequestLength="4096" 
useFullyQualifiedRedirectUrl="false" 
minFreeThreads="8" 
minLocalRequestFreeThreads="4" 
appRequestQueueLimit="100" 
enableVersionHeader="true"
/>
    </system.web></httpruntime>

change the value to some other value of your choice (8192 for 8 Mb, 16384 for 16 Mb, 65536 for 64 Mb.
may help

Fileupload and javascript or custom validator

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