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<%@ 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">
<head runat="server">
<title>Untitled Page</title>
<script type="text/javascript" language="javascript">
function chkWH(source, args)
{
if(chkNumeric(args.Value))
{
if(parseInt(args.Value)>49 && parseInt(args.Value)<1000)
args.IsValid = true;
else
args.IsValid = false;
}
else
args.IsValid = false;
}
function chkNumeric(whv)
{
var validchars = "0123456789";
var isval = true;
var vlen = whv.length;
for(i=0;i<vlen;i++)
if(validchars.indexOf(whv.charAt(i),0)<0)
{
isval = false;
break;
}
return isval;
}
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
Browse an image of type .jpg, .gif, .png, .bmp or .tif. Must be less than or equal to 10MB in size:<br />
<asp:FileUpload ID="fpImage" runat="server" />
<asp:RequiredFieldValidator ID="reqImage" Display="Dynamic" ControlToValidate="fpImage" style="font:12px verdana;color:Red;vertical-align:middle;" Text="(Required)" runat="server"></asp:RequiredFieldValidator>
<asp:CustomValidator ID="cvImageType" Display="Dynamic" ControlToValidate="fpImage" OnServerValidate="cvImageType_Validate" style="font:12px verdana;color:Red;vertical-align:middle;" Text=" (Image must be any of these types: .jpg, .gif, .png, .bmp, .tif)" runat="server"></asp:CustomValidator>
<asp:CustomValidator ID="cvImageSize" Display="Dynamic" ControlToValidate="fpImage" OnServerValidate="cvImageSize_Validate" style="font:12px verdana;color:Red;vertical-align:middle;" Text=" (Image size must not exceed by 10MB.)" runat="server"></asp:CustomValidator>
<br />
New Width: <asp:TextBox ID="txtWidth" MaxLength="3" Width="50px" runat="server"></asp:TextBox> PX
<asp:RequiredFieldValidator ID="reqTxtW" Display="Dynamic" ControlToValidate="txtWidth" style="font:12px verdana;color:Red;vertical-align:middle;" Text="(Required)" runat="server"></asp:RequiredFieldValidator>
<asp:CustomValidator ID="cvTxtWidth" Display="Dynamic" ClientValidationFunction="chkWH" ControlToValidate="txtWidth" style="font:12px verdana;color:Red;vertical-align:middle;" Text="Width must be specified in decimals and between 50-999" runat="server"></asp:CustomValidator>
<br />
New Height: <asp:TextBox ID="txtHeight" MaxLength="3" Width="50px" runat="server"></asp:TextBox> PX
<asp:RequiredFieldValidator ID="reqTxtH" Display="Dynamic" ControlToValidate="txtHeight" style="font:12px verdana;color:Red;vertical-align:middle;" Text="(Required)" runat="server"></asp:RequiredFieldValidator>
<asp:CustomValidator ID="cvTxtHeight" Display="Dynamic" ClientValidationFunction="chkWH" ControlToValidate="txtHeight" style="font:12px verdana;color:Red;vertical-align:middle;" Text="Height must be specified in decimals and between 50-999" runat="server"></asp:CustomValidator>
<br /><br />
<asp:Button ID="btnResults" Text="Show Result" OnClick="btnResults_OnClick" runat="server" />
<br /><br />
<table cellpadding="0" cellspacing="0" border="0" style="width:800px">
<tr>
<td style="width:50%;padding-right:10px;text-align:center;">
<h3>Original Image</h3>
<asp:Image ID="imgOriginal" Width="380px" Height="380px" runat="server" />
<br /><br />
Width (in Pixels): <asp:Label ID="lblOIW" runat="server"></asp:Label><br />
Height (in Pixels): <asp:Label ID="lblOIH" runat="server"></asp:Label><br />
Size (in Bytes): <asp:Label ID="lblOIS" runat="server"></asp:Label>
</td>
<td style="width:50%;padding-left:10px;text-align:center;">
<h3>Resultant Image</h3>
<asp:Image ID="imgResult" Width="380px" Height="380px" runat="server" />
<br /><br />
Width (in Pixels): <asp:Label ID="lblRIW" runat="server"></asp:Label><br />
Height (in Pixels): <asp:Label ID="lblRIH" runat="server"></asp:Label><br />
Size (in Bytes): <asp:Label ID="lblRIS" runat="server"></asp:Label>
</td>
</tr>
<tr>
<td colspan="2">
<br /><br />
<strong>Note:</strong> However I've set the dimensions of both (original & optimized) images as 380px width and 380px height on page. But the actual dimensions are same as mentioned alongwith each image.
<br /><br />
<asp:HyperLink ID="lnkSave1" Text="Click here" Target="_blank" runat="server"></asp:HyperLink> to see the actual original image in new window.
<br /><asp:HyperLink ID="lnkSave2" Text="Click here" Target="_blank" runat="server"></asp:HyperLink> to see the actual resultant image in new window.
</td>
</tr>
</table>
</div>
</form>
</body>
</html>
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Senior Software Professional with 13+ years of experience in web/desktop applications development.
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