Aspx Page
========
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="ExternalLinkToImageSave.aspx.cs" Inherits="ExternalLinkToImageSave" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:TextBox runat="server" ID="txtUpload" />
<asp:Button runat="server" ID="btnUpload" OnClick="Upload" Text="Upload" />
</div>
</form>
</body>
</html>
.Cs Page
=======
protected void Upload(object sender, EventArgs e)
{
HttpWebRequest request = (System.Net.HttpWebRequest)WebRequest.Create(this.txtUpload.Text);
HttpWebResponse response = request.GetResponse() as HttpWebResponse;
Stream stream = response.GetResponseStream();
string ext = response.ContentType;
string[] strArray = ext.Split('/');
ext = strArray[1];
///
/// use response content type to findout the image type,
/// here I just use jpg to simplify the story.
///
System.Drawing.Image image = System.Drawing.Image.FromStream(stream);
//image.Save(this.Server.MapPath(string.Format("~/Uploads/{0}.jpg", Guid.NewGuid())));
image.Save(this.Server.MapPath(string.Format("~/Uploads/{0}."+ext+"", Guid.NewGuid())));
}
========
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="ExternalLinkToImageSave.aspx.cs" Inherits="ExternalLinkToImageSave" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:TextBox runat="server" ID="txtUpload" />
<asp:Button runat="server" ID="btnUpload" OnClick="Upload" Text="Upload" />
</div>
</form>
</body>
</html>
.Cs Page
=======
protected void Upload(object sender, EventArgs e)
{
HttpWebRequest request = (System.Net.HttpWebRequest)WebRequest.Create(this.txtUpload.Text);
HttpWebResponse response = request.GetResponse() as HttpWebResponse;
Stream stream = response.GetResponseStream();
string ext = response.ContentType;
string[] strArray = ext.Split('/');
ext = strArray[1];
///
/// use response content type to findout the image type,
/// here I just use jpg to simplify the story.
///
System.Drawing.Image image = System.Drawing.Image.FromStream(stream);
//image.Save(this.Server.MapPath(string.Format("~/Uploads/{0}.jpg", Guid.NewGuid())));
image.Save(this.Server.MapPath(string.Format("~/Uploads/{0}."+ext+"", Guid.NewGuid())));
}
