Image control does not refresh

[Sunit Joshi]

Hello All

I have an image control in main.aspx in a method

BuildImage()
{
//...code..
imgDisks.ImageU rl = "barChart.aspx" ;

}

This is called whenever the user Clicks on Submit button:

In barChart.aspx I do:
private void Page_Load(objec t sender, System.EventArg s e)
{
Chart chart = getChart();
Bitmap bitmap = new Bitmap(chart.Wi dth, chart.Height,
PixelFormat.For mat32bppArgb);
Graphics g = Graphics.FromIm age(bitmap);
chart.draw(g);

MemoryStream stream = new MemoryStream();
bitmap.Save(str eam, ImageFormat.Png );

Response.Clear( );
Response.Conten tType = "image/png";
Response.Binary Write(stream.To Array());
g.Dispose();
}

However I still have to sometimes click on submit twice to get the new
image. Any pointers on what might be happening are greatly
appreciated.

thanks
Sunit
sjoshi@ingr.com

[Suresh]

Image control does not refresh

It's possible that your page is being loaded from the
cache on the browser.
Try adding junk(random) to the URL and see if that helps.
(i.e. mypage.asps?jun k=1340891234809 )

HTH,
Suresh.
[color=blue]
>-----Original Message-----
>Hello All
>
>I have an image control in main.aspx in a method
>
>BuildImage()
>{
>//...code..
>imgDisks.Image Url = "barChart.aspx" ;
>
>}
>
>This is called whenever the user Clicks on Submit button:
>
>In barChart.aspx I do:
>private void Page_Load(objec t sender, System.EventArg s e)
>{
> Chart chart = getChart();
> Bitmap bitmap = new Bitmap(chart.Wi dth,[/color]
chart.Height,[color=blue]
>[/color]
PixelFormat.For mat32bppArgb);[color=blue]
> Graphics g = Graphics.FromIm age(bitmap);
> chart.draw(g);
>
> MemoryStream stream = new MemoryStream();
> bitmap.Save(str eam, ImageFormat.Png );
>
> Response.Clear( );
> Response.Conten tType = "image/png";
> Response.Binary Write(stream.To Array());
> g.Dispose();
>}
>
>However I still have to sometimes click on submit twice[/color]
to get the new[color=blue]
>image. Any pointers on what might be happening are greatly
>appreciated.
>
>thanks
>Sunit
>sjoshi@ingr.co m
>.
>[/color]