Encrypt Querystring Using HttpHandler
Feb 24, 2011How to encrypt querystring using HttpHandler?
View 1 Replies
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MORE BACKGROUND INFO:
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Nov 22, 2015I have a querystring. I want to encode of this querystring. How i will do it C#. My query string is given below.
<asp:DataList ID="datalistproduct" runat="server" RepeatColumns="4"
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And my encryption code in c# below
private string Encrypt2(string clearText)
{
string EncryptionKey = "MAKV2SPBNI99212";
byte[] clearBytes = Encoding.Unicode.GetBytes(clearText);
using (Aes encryptor = Aes.Create())
[Code] ....
anchor tag are inside datalist . how can i assign Encrypt2 code to querysting pitem= <%# Eval("Product_Id") %>" on anchor tag when datalist load?
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Here write code for button and textboxes
protected void Submit(object sender, EventArgs e)
{
string name = HttpUtility.UrlEncode(Encrypt(txtName.Text.Trim()));
string technology = HttpUtility.UrlEncode(Encrypt(ddlTechnology.SelectedItem.Value));
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[Code]....
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Private Sub BindGrid()
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[Code] ......
However, the page errors with the message "Value cannot be null." if I don't pass a value. I know that DataList does not have an EmptyItem Property like a Gridview control. I do not want the page to error if I don't pass a value. Need info to deal with empty values in a datalist.
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The 'list' throws an error. The error is "Too few type arguments to 'System.COllections.Generic.List". I am not sure if the code is written in C# and that is what is causing the error. It seems that it should work but I can not figure out the 'list' error.
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catch (Exception e)
{
byte[] exceptionData;
MemoryStream stream = new MemoryStream();
BinaryFormatter formatter = new BinaryFormatter(null, new StreamingContext(StreamingContextStates.Persistence));
formatter.Serialize(stream, e);
exceptionData = stream.ToArray();
WebClient client = new WebClient();
Uri handler = new Uri(ApplicationUri, "TransferException.axd");
#if DEBUG
ServicePointManager.ServerCertificateValidationCallback += new RemoteCertificateValidationCallback(BypassAllCertificateStuff);
#endif
try
{
client.UploadData(handler, exceptionData);
}
catch (WebException) { }
}
EDIT
I am getting the following exception on the client.UploadData() line.
"Content-Length or Chunked Encoding cannot be set for an operation that does not write data."
EDIT
Even if I change my call to be client.UploadString(location, "THIS IS A TEST!"); it still fails with the same exception.
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