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Jason.Bie
505
How does the igUpload not allow extension work?
posted

Hello, 

I am using igUpload control in my ASP.NET MVC3 project. I know it has a property allowedExtensions to set the allowed upload the files with these extensions, I want to know if there is a way to set some types of files cannot be uploaded, is there a property like notAllowedExtension? For example, I just do not want to user to upload .exe files, all other types are ok, how can I do that?

Best regards

Jason

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  • 2426
    Suggested Answer
    posted

    Hi Jason,

    You can use the allowedExtensions option in JavaScript on the client or the AllowedExtensions method on the ASP.NET MVC helper:

    JavaScript - accepts an array of strings representing the allowed file extensions:

        $('#upload').igUpload({ 
        allowedExtensions: [ 'jpg', 'bmp' ], 
        progressUrl: '/IGUploadStatusHandler.ashx' 
    });

    ASP.NET MVC Helper (Razor C#) - accepts a Generic List of strings representing the allowed file extensions:

        @(Html.Infragistics().Upload() 
        .ID("upload")
        .AllowedExtensions(new List<string> { "jpg", "bmp" }) 
        .ProgressUrl("/IGUploadStatusHandler.ashx") .Render() 
    )

    If you would like to show an error message, you can handle the onError event in JavaScript and check for status code 2:

        $("#upload").bind("iguploadonerror", function (e, ui) { 
        if (ui.errorCode === 2) 
            alert(ui.errorMessage); 
        return; 
    });

    You can read more about the upload's API in the API documentation: https://www.igniteui.com/help/igupload-igupload

    Hope that helps!

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