Retrieving value of an image control in ASP

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ASP.NET

How can I get the value of the loaded image in the image control in asp?

Posted 23-Dec-14 4:10am

Member 11316934

Updated 23-Dec-14 4:13am

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CHill60 23-Dec-14 10:47am

What do you mean by the value?

Member 11316934 23-Dec-14 14:44pm

I want to save the jpeg file of the image control in my folder "Barcode_images". Can you please help me? Thanks.
This is my code
string strImageURL = "GenerateBarcodeImage.aspx?d=" + initial_barcode + generate + "&il=" + this.chkGenerateLabel.Checked.ToString();
this.BarcodeImage.ImageUrl = strImageURL;
this.BarcodeImage.Width = 300;
this.BarcodeImage.Height = 150;
this.BarcodeImage.Visible = true;

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Anisuzzaman Sumon · Answer 1 · 2014-12-24T02:49:00

Your Slution is very simple!

C#

void SaveImageImage()
{


        FileStream fs = File.OpenRead(Server.MapPath(Image1.ImageUrl));  //in aspx page Image ID="Image1"
        byte[] photo = new byte[fs.Length];

        for (int i = 0; i < fs.Length; i++)
        {
            photo[i] = (byte)fs.ReadByte();
        }

        fs.Close();

        File.WriteAllBytes(Server.MapPath("BarcodeImages/myImage.jpg"),photo);


        lbllabel.Text = "Saved";




}

RMBHATTI · Answer 2 · 2014-12-25T01:17:00

Solution 2

if you add control like this

VB

<asp:Image
runat="server"
AlternateText="W3Schools" Id="img1"
ImageUrl="img_w6.gif"/>

you can access in code behind file Like

string s=img1.ImageUtrl;

Posted 25-Dec-14 1:17am

RMBHATTI