<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="Default" %>
<!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">
<script src="Scripts/jquery-2.1.0.min.js"></script>
<head runat="server">
<script type="text/javascript">
function readURL(input) {
if (input.files && input.files[0]) {
var reader = new FileReader();
reader.onload = function(e) {
$("#<%= this.ImgPhoto.ClientID %>").attr('src', e.target.result);
};
reader.readAsDataURL(input.files[0]);
}
}
$("#<%= this.UploadPhoto.ClientID %>").change(function () {
readURL(this);
});
</script>
</head>
<body>
<form id="form1" runat="server">
<img id="ImgPhoto" alt="Preview" width="206" height="240" runat="server" src="~/Images/NoPhoto.jpg" />
<br/>
<asp:FileUpload ID="UploadPhoto" runat="server" onchange="readURL(this)" />
<asp:Button runat="server" ID="btnsubmit" Text="Submit" OnClick="btnsubmit_Click"/>
</form>
</body>
</html>
====================
using System;
using System.IO;
using System.Data;
using System.Configuration;
using System.Globalization;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Drawing;
public partial class Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
public static Bitmap ResizePassportSize(FileUpload fp, int lnWidth, int lnHeight)
{
Bitmap bmpOut = null;
try
{
Bitmap loBmp = new Bitmap(fp.FileContent, true);
decimal lnRatio;
int lnNewWidth = 0;
int lnNewHeight = 0;
//*** If the image is smaller than a thumbnail just return it
if (loBmp.Width < lnWidth && loBmp.Height < lnHeight)
return loBmp;
if (loBmp.Width > loBmp.Height)
{
lnRatio = (decimal) lnWidth/loBmp.Width;
lnNewWidth = lnWidth;
decimal lnTemp = loBmp.Height*lnRatio;
lnNewHeight = (int) lnTemp;
}
else
{
lnRatio = (decimal) lnHeight/loBmp.Height;
lnNewHeight = lnHeight;
decimal lnTemp = loBmp.Width*lnRatio;
lnNewWidth = (int) lnTemp;
}
bmpOut = new Bitmap(lnNewWidth, lnNewHeight);
Graphics g = Graphics.FromImage(bmpOut);
g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
g.FillRectangle(Brushes.White, 0, 0, lnNewWidth, lnNewHeight);
g.DrawImage(loBmp, 0, 0, lnNewWidth, lnNewHeight);
loBmp.Dispose();
}
catch
{
return null;
}
return bmpOut;
}
protected void btnsubmit_Click(object sender, EventArgs e)
{
if (UploadPhoto.HasFile)
{
Bitmap bitmpPhoto = ResizePassportSize(this.UploadPhoto, 206, 240);
bitmpPhoto.Save(Server.MapPath("images/abc.jpg"));
}
}
}
<!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">
<script src="Scripts/jquery-2.1.0.min.js"></script>
<head runat="server">
<script type="text/javascript">
function readURL(input) {
if (input.files && input.files[0]) {
var reader = new FileReader();
reader.onload = function(e) {
$("#<%= this.ImgPhoto.ClientID %>").attr('src', e.target.result);
};
reader.readAsDataURL(input.files[0]);
}
}
$("#<%= this.UploadPhoto.ClientID %>").change(function () {
readURL(this);
});
</script>
</head>
<body>
<form id="form1" runat="server">
<img id="ImgPhoto" alt="Preview" width="206" height="240" runat="server" src="~/Images/NoPhoto.jpg" />
<br/>
<asp:FileUpload ID="UploadPhoto" runat="server" onchange="readURL(this)" />
<asp:Button runat="server" ID="btnsubmit" Text="Submit" OnClick="btnsubmit_Click"/>
</form>
</body>
</html>
====================
using System;
using System.IO;
using System.Data;
using System.Configuration;
using System.Globalization;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Drawing;
public partial class Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
public static Bitmap ResizePassportSize(FileUpload fp, int lnWidth, int lnHeight)
{
Bitmap bmpOut = null;
try
{
Bitmap loBmp = new Bitmap(fp.FileContent, true);
decimal lnRatio;
int lnNewWidth = 0;
int lnNewHeight = 0;
//*** If the image is smaller than a thumbnail just return it
if (loBmp.Width < lnWidth && loBmp.Height < lnHeight)
return loBmp;
if (loBmp.Width > loBmp.Height)
{
lnRatio = (decimal) lnWidth/loBmp.Width;
lnNewWidth = lnWidth;
decimal lnTemp = loBmp.Height*lnRatio;
lnNewHeight = (int) lnTemp;
}
else
{
lnRatio = (decimal) lnHeight/loBmp.Height;
lnNewHeight = lnHeight;
decimal lnTemp = loBmp.Width*lnRatio;
lnNewWidth = (int) lnTemp;
}
bmpOut = new Bitmap(lnNewWidth, lnNewHeight);
Graphics g = Graphics.FromImage(bmpOut);
g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
g.FillRectangle(Brushes.White, 0, 0, lnNewWidth, lnNewHeight);
g.DrawImage(loBmp, 0, 0, lnNewWidth, lnNewHeight);
loBmp.Dispose();
}
catch
{
return null;
}
return bmpOut;
}
protected void btnsubmit_Click(object sender, EventArgs e)
{
if (UploadPhoto.HasFile)
{
Bitmap bitmpPhoto = ResizePassportSize(this.UploadPhoto, 206, 240);
bitmpPhoto.Save(Server.MapPath("images/abc.jpg"));
}
}
}
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