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  1. Akhilesh
    Akhilesh avatar
    14 posts
    Member since:
    Dec 2007

    Posted 24 Dec 2007 Link to this post

    hi i am using radupload 2.3.2

    i have added validations


    ="204800" allowedfileextensions=".jpg,.jpeg"

    i want to throw an alert if these conditions r not met
    i tried using the onvalidatingfile but tht dosent seem to work
  2. Sophy
    Sophy avatar
    636 posts

    Posted 27 Dec 2007 Link to this post

    Hello Akhilesh,

    First of all, I would like to ask you whether you use the classic RadUpload or you use RadUpload "Prometheus" as you say that you are using RadUpload v2.3.2 which is a version of the classic RadUpload while this is a forum thread about RadUpload "Prometheus", although in the current case there is no matter what is the RadUpload you use.

    Below I suggest you a workaround for your scenario. The suggested workaround does not depend on whether you use the classic RadUpload or you use RadUpload "Prometheus".

    <telerik:radupload id="RadUpload1" runat="server" allowedfileextensions=".jpg,.jpeg" onvalidatingfile="ValidateFile" targetfolder="~/Files"/>  
    <asp:button id="Button1" runat="server" text="Submit" /> 

    protected void ValidateFile(object sender, Telerik.Web.UI.Upload.ValidateFileEventArgs e)  
        string[] allowedExtensions = RadUpload1.AllowedFileExtensions;  
        bool allowedExtensionFlag = false;  
        for (int i = 0; i < allowedExtensions.Length; i++)  
            if (e.UploadedFile.GetExtension() == allowedExtensions[i])  
                allowedExtensionFlag = true;  
        if (!allowedExtensionFlag)  
            string script = "alert('Invalid files');";  
            Page.ClientScript.RegisterStartupScript(this.GetType(), "ValidateFiles", script, true);  

    You can feel free to modify the suggested code so that it serves your needs.

    Please, let me know if you need further assistance.

    Best regards,
    the Telerik team

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