Hi Kevin,
At first thanks for your sense of humor reply.
yes, yours suggestion be using in my projects.
the aim of using ascx is i went to create a control to drawing the
image by customize datasource.
if you have any good idea for build the darw image control,please tech
me,thanks.
"Kevin Spencer" <uce@ftc.gov> 写入消息新闻:uh2I5TelGHA.3396@TK2MSFTNGP05.phx.gbl ...[color=blue]
> I'm sure your english is better than my Chinese! :)
>
> I am not sure what all of the problems are with your solution, but I do
> know of at least one, and if we eliminate them one by one we can
> straighten everything out. The biggest problem is that you are attempting
> to insert an image directly into a page.
>
> An HTML document is pure text. There is no binary content in it, no
> images, no Flash, no sound. These are referenced in the HTML document with
> tags that contain the URL of the resource to be displayed in the browser.
> If you look at the source code of any HTML page in your browser you will
> see this. ASP.Net is simply a technology that, for the most part, creates
> HTML pages from server-side programming. It has some other related
> capabilities as well, such as the ability to send binary data from the
> server in an HTTP stream.
>
> Now, my original message said to use an ASPX page, *not* an ASCX
> UserControl in a page. The reason is that there has to be a resource that
> can be referenced in the HTML of another page which will send the image to
> the client browser when requested. When you set the Response.ContentType
> to "image/jpg" you are setting the ContentType header for the *entire*
> response, which tells the browser that "xyz.aspx" is not an ASPX page, but
> an image. This is *all* that the "image" ASPX page should do. Set the
> Response.ContentType to "image/jpg" and write the binary image to the
> Response.OutputStream. In *another* ASPX page, or even an HTML page, an
> HTML image tag can be used to reference the "image" ASPX page as an image,
> such as:
>
> <img src="imageMaker.aspx" />
>
> --
> HTH,
>
> Kevin Spencer
> Microsoft MVP
> Professional Chicken Salad Alchemist
>
> I recycle.
> I send everything back to the planet it came from.
>
> "Yankee.zhang" <yanmaha@163.com> wrote in message
> news:uYEYadclGHA.2128@TK2MSFTNGP04.phx.gbl...[color=green]
>> HI kevin：
>> I'm Chinese people,
>> yes, i have meet the extend problem
>>
>> when i using Resoponse.OutStream to display a image in an ascx , and
>> the ascx be using in the man page.
>>
>> but there a problem, when i click the button in the main page to
>> drawing the image in the ascx controls,
>> and display it,the image is shown but the main page's contenttype turn to
>> "image/jepg" and the button is can not find in the man page.
>> can you tell me ,what can let the ascx content-type not to changed the
>> main page contenttype.
>> my english is pool thanks.
>>
>> if you need the source code i can pulish to you .
>>
>>
>> "Kevin Spencer" <uce@ftc.gov> 写入消息新闻:uQ2TnvZlGHA.4512@TK2MSFTNGP04.phx.gbl ...[color=darkred]
>>> You can use the System.Drawing namespace and draw an image in memory in
>>> an ASPX page, and then write it to the Response.OutputStream. You have
>>> to use the URL of the ASPX page as an image URL, and set the
>>> Response.ContentType to "image/jpg" (or "image.gif", depending), and it
>>> will display in another page as if it were an image.
>>>
>>> --
>>> HTH,
>>>
>>> Kevin Spencer
>>> Microsoft MVP
>>> Professional Chicken Salad Alchemist
>>>
>>> I recycle.
>>> I send everything back to the planet it came from.
>>>
>>> <mrajanikrishna@gmail.com> wrote in message
>>> news:1150937884.743009.182260@g10g2000cwb.googlegr oups.com...
>>>> Hello friends,
>>>>
>>>> I have developed an application using ASP.NET and SQL Server.
>>>> Ours is a garment factory. I need to design another module in my
>>>> application.
>>>>
>>>> I want to generate images on fly based on users selection(body, sleeve
>>>> etc).
>>>> Until here no problem. Coz we have only 2 types of bodies and 3 types
>>>> of sleeves and 3 types of necks. I can design static images and save in
>>>> the system and call.
>>>>
>>>> But I need to give selection of color to the user. Which color user has
>>>> selected, the image should display in that color.
>>>>
>>>> Here I am strucked. So the solution is to generate images on fly as we
>>>> cant edit static images. Is there any other solution or any software
>>>> can edit the images at run time(especially color)?
>>>>
>>>> Or can anyone suggest an idea?
>>>>
>>>> Not ony in ASP.NET, any other also appreciated.
>>>>
>>>> thanks in advance
>>>>
>>>
>>>[/color]
>>
>>[/color]
>
>[/color]
