Add Image to ASP.NET GridView not from Database

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Hi guys,

I have a Image Upload control and caption textbox and an add button.
When I click the add button image and caption added to the gridview. There is no limit by adding the image and caption to the gridview.

Please help me.

Posted 9-Mar-11 22:41pm

Jameel VM

Updated 9-Mar-11 22:56pm

RaviRanjanKr

v3

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Wild-Programmer · Answer 1 · 2011-03-09T23:24:00

Solution 2

So whats the big deal. Take a grid view with 2 Template columns. First with label and other with Image control.

No at the add button click you will save the image some where. After that store the Caption and Image URL in some data table or any collection and bind it to the grid.

That should be it.

Posted 9-Mar-11 23:24pm

Wild-Programmer

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Albin Abel 10-Mar-11 5:26am

Simple solution. My 5

Wild-Programmer 10-Mar-11 5:30am

Thanks Albin :)

Albin Abel · Answer 2 · 2011-03-09T23:23:00

The steps involved are

1) Post the image and keep the image in a static dictionary or save to hard disk. Static dictionary will increase the load in sever memory, but perform fast. The hard disk method little slower, but no memory pressure.

2) Create a http handler which parse the image bytes and send to the output stream. The request parameter you send to this handler should identify the image in the hard disk.

3) Add a new row in the underlying table for the gridview where a column represented as item template with a image in it. Assign a new image to that column index in the new row and set the image url to the handler with query string parameter to identify the image.

4) Bind the gridview.

Now you need to google for each step. 1) How to save an uploaded image 2)How to create a custom handler 3)How to handle a datatable 5) How to create item templates in gridview.

Try!. If stuck post your queries.