How to dynamically resize images by using ASP.NET FileUpload and ImageDraw

<h1>
    Image Upload
</h1>
<p>
    <asp:FileUpload ID="FileUpload1" runat="server" Width="338px" />
    <asp:RequiredFieldValidator ID="RequiredFieldValidator1" runat="server" ControlToValidate="FileUpload1"
        Display="Dynamic" ErrorMessage="Please specify an image file." SetFocusOnError="True"
        ValidationGroup="Group1"></asp:RequiredFieldValidator>
    <asp:RegularExpressionValidator ID="RegularExpressionValidator1" runat="server" ControlToValidate="FileUpload1"
        ErrorMessage="Please specify an image file." SetFocusOnError="True" ValidationExpression="^.+\.((jpg)|(gif)|(jpeg)|(png)|(bmp))$"
        Display="Dynamic" ValidationGroup="Group1"></asp:RegularExpressionValidator>
</p>
<p>
    <asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="Upload, Resize and Save"
        ValidationGroup="Group1" />
</p>

Protected Sub Button1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button1.Click

    If Me.IsValid AndAlso Me.FileUpload1.HasFile Then
        'Create an ImageElement to wrap up the uploaded image

        Dim uploadedImage As Neodynamic.WebControls.ImageDraw.ImageElement
        uploadedImage = Neodynamic.WebControls.ImageDraw.ImageElement.FromBinary(Me.FileUpload1.FileBytes)

        'Create Resize imaging action to apply on the uploaded image
        'NOTE: You may apply any of the ImageDraw built-in imaging actions

        Dim actResize As New Neodynamic.WebControls.ImageDraw.Resize()
        actResize.Width = 150
        actResize.LockAspectRatio = Neodynamic.WebControls.ImageDraw.LockAspectRatio.WidthBased

        uploadedImage.Actions.Add(actResize)

        'Composite the output image by using ImageDraw class

        Dim imgDraw As New Neodynamic.WebControls.ImageDraw.ImageDraw()
        
        'Add uploaded image

        imgDraw.Elements.Add(uploadedImage)

        'Output image settings...
        'For example: save the image in JPEG format always

        imgDraw.ImageFormat = Neodynamic.WebControls.ImageDraw.ImageDrawFormat.Jpeg
        imgDraw.JpegCompressionLevel = 90

        'Now, save the output image on disk

        Dim fileName As String = "C:\Temp\" + System.IO.Path.GetFileNameWithoutExtension(Me.FileUpload1.FileName) + ".jpg"
        imgDraw.Save(fileName)
    
    End If

End Sub

protected void Button1_Click(object sender, EventArgs e)
{
    if (this.IsValid && this.FileUpload1.HasFile)
    { 
        //Create an ImageElement to wrap up the uploaded image
        Neodynamic.WebControls.ImageDraw.ImageElement uploadedImage;
        uploadedImage = Neodynamic.WebControls.ImageDraw.ImageElement.FromBinary(this.FileUpload1.FileBytes);

        //Create Resize imaging action to apply on the uploaded image
        //NOTE: You may apply any of the ImageDraw built-in imaging actions
        Neodynamic.WebControls.ImageDraw.Resize actResize = new Neodynamic.WebControls.ImageDraw.Resize();
        actResize.Width = 150;
        actResize.LockAspectRatio = Neodynamic.WebControls.ImageDraw.LockAspectRatio.WidthBased;

        uploadedImage.Actions.Add(actResize);

        //Composite the output image by using ImageDraw class
        Neodynamic.WebControls.ImageDraw.ImageDraw imgDraw = new Neodynamic.WebControls.ImageDraw.ImageDraw();
        
        //Add uploaded image
        imgDraw.Elements.Add(uploadedImage);

        //Output image settings...
        //For example: save the image in JPEG format always
        imgDraw.ImageFormat = Neodynamic.WebControls.ImageDraw.ImageDrawFormat.Jpeg;
        imgDraw.JpegCompressionLevel = 90;

        //Now, save the output image on disk
        string fileName = @"C:\Temp\" + System.IO.Path.GetFileNameWithoutExtension(this.FileUpload1.FileName) + ".jpg";
        imgDraw.Save(fileName);
    
    }
}