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Dynamically create img tag from file/image list in directory

Posted on 2011-09-18
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Last Modified: 2012-06-27
I have the below - sime image list inside a div - is there a way - in .NET/C# - to take all the images out of a directory and generate a dynamic image list as is per the static representation below - in something like maybe a placeholder, etc.?

 <div id="gallery">
                <img src="../gallery/images/p1.jpg" alt="" title="Portraits" />
                <img src="../gallery/images/p2.jpg" alt="" title="Portraits" />
            </div>
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Question by:tbaseflug
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NauticalNonsense earned 500 total points
ID: 36557522
Greets

You'll need the System.IO namespace.
Put a literal on your ASPX page
<div>
        <asp:Literal ID="litDivOnASPXPage" runat="server" />
    </div>

And that should do it.

protected void Page_Load(object sender, EventArgs e)
    {
        ShowImagesInDirectory("/images");
    }


    private void ShowImagesInDirectory(string path)
    {
        string literalDiv = "<img src=\"" + path + "\\" + "%FILE%" + "\"" + " alt=\"\" title=\"Portraits\">";
        string completeOutput = "";

        DirectoryInfo directory=new DirectoryInfo(Server.MapPath(path));
        foreach (FileInfo file in directory.GetFiles("*.JPG"))
        {
            // or you can check the extension if you wanna iterate thru all of them
            // if (file.Name.ToUpper().EndsWith("JPG"))
            // {
                completeOutput += literalDiv.Replace("%FILE%", file.Name);
            // }
        }
        litDivOnASPXPage.Text = completeOutput;
    }

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LVL 7

Expert Comment

by:NauticalNonsense
ID: 36557528
the literalDiv guy is broken out up there, you can put whatever markup you want in it, I just did the basics.
Cheers
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Author Closing Comment

by:tbaseflug
ID: 36557721
PERFECT!!!!!!!!!!!!!!!!!!!!
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LVL 7

Expert Comment

by:NauticalNonsense
ID: 36557738
Thanks! And thanks for the grade :)
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