Encrypt The Querystring In C#.net
Mar 15, 2011
string emailfield=txtEmail.Text.ToString();
string url = "http://localhost:3076/user/Authenticate-Users.aspx?email="+emailfield;
I want to encrypt the querystring and then decrpyt. Is there any way to do this in C#?
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Apr 24, 2010
Encrypt request.querystring and Descrpt request.querystring
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Jun 7, 2010
I was wondering how you could encrypt/decrypt your querystring in a simple asp.net page? some values need to be passed between different pages but the querystring cannot be changed or read.
Some say httphandles could be the solution for this.
MORE BACKGROUND INFO:
this is the problem, sometimes the sessions disappear without any reason (well there must be one but I don't know it yet). I've looked into the possible reasons but nothing that could cause it is happening.
Therefore I cannot rely on it anymore. The cookie solution is a possibility but it will be more work to implement than simply using the querystring. The url can be copied at any time just not changed!
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Feb 24, 2011
How to encrypt querystring using HttpHandler?
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Nov 13, 2013
How to encrypt and decrypt querystring in asp.net webforms ....
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May 7, 2015
I am redirecting to serverside from clientSideI want to encrypt the querystring passed from clientSide & decrypt it in server side
Below is the code used in clientside :
url = 'VAEditCodeBySite.aspx?caseid=' + caseidtmp + '';
window.open(url, 'new', settings);
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Nov 22, 2015
I 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"
RepeatLayout="Flow" OnItemDataBound="datalistproduct_ItemDataBound">
<ItemTemplate>
<a href="/ProductDetails.aspx?pitem=<%# Eval("Product_Id") %>">
</asp:DataList>
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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Jan 31, 2014
According to below link
Encrypt-and-Decrypt-QueryString-Parameter-Values-in-ASPNet-using-C-and-VBNet.aspx
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));
Response.Redirect(string.Format("~/CS2.aspx?name={0}&technology={1}", name, technology));
}
But I used hyperlink and used it in datalist that bind from database...
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Feb 25, 2013
i have passed the values from clientside using querystring. Below link displaying like URL>..i want to encrpyt the following code
?id=vidhansabha&cat_name=Industries&email=rafi045@gmail.com&mobile=9786629228
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Jan 16, 2014
How can I Encrypt Gridview HperlinkField .
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Aug 30, 2010
How can i use querystring for this-
Here in below code i have used querystring for sending imagename from this page to another page. Now i just want that with this imagename in also want to send span element's text with same querystring.How can i achieve this?
[Code]....
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May 7, 2015
The following code works well as long as I pass a querystring value to the datalist.
Private Sub BindGrid()
Dim id As Integer = Integer.Parse(Context.Request.QueryString("id"))
Dim strConnString As String = ConfigurationManager.ConnectionStrings("Conn").ConnectionString
Using con As New SqlConnection(strConnString)
Using cmd As New SqlCommand()
cmd.CommandText = "select Id, Name from tblFiles where Id=@Id"
[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.
Most websites have pointed me to this code to use:
<FooterTemplate>
<asp:Label ID="lblEmpty" Text="No Result" runat="server"
Visible='<%#boolean.parse(([b]list[/b].Items.Count=0).ToString())%>'>
</asp:Label>
</FooterTemplate>
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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Mar 5, 2010
I'm intermittently seeing this exception being thrown:
A potentially dangerous Request.QueryString value detected
However when I look in the IIS logs I can see that the request that failed has no querystring logged against it.
How could this be? Are "dangerous" query strings being stripped from the log or something?
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Feb 23, 2011
We are creating a Silverlight application and need to have a few parameters pass in with the url from calling site.
example: http://oursite.com/index.aspx?test=d53ae99b-06a0-4ba7-81ed-4556adc532b2
We want to give the calling website 'test' string that links back to the guid of our table which tells the Silverlight application what it's task is when they arrive. We also use this guid for authentication on our application among other things.
The guids are as such:
d53ae99b-06a0-4ba7-81ed-4556adc532b2
8354b838-99b3-4b4c-bb07-7cf68620072e
Encrypted, the values are much longer:
l5GyhPWSBUw8KdD+TpWJOsoOFDF0LzmGzd4uufLx+v/d3eByGZ6zPcRjvCRMG2tg
WVMN7B0FPa18/Q7+U4njb5AOKnx6Ga9xoAsvCET6MyjM5TV6dO86OexaCXDiXaES
My question is, with security in mind, should we give them the guid encrypted or like it is unencrypted?
What is everyone's experience with this type of parameter passing?
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Jun 3, 2010
I have a URL www.site-address/site-page/page1.aspx?username=deepu&password=deepu how can i change the URL to www.site-address/site-page/page1.aspx?username=232322323232&password=2323232322323 ie i want to encrypt the fields i pass through the URL to encrypt and decrypt the URL in C# using .net,now i am using response.redirect and pass these values as query string...
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Nov 20, 2010
How to encrypt this url in asp.net (VB), so that user cannot view this address bar text in their browser address bar ?
http://localhost:2486/volvobusesindia/passenger_info.aspx?from=Delhi&to=Manali&journey=21-Nov-2010
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Feb 2, 2010
A folder on File System contains .xml files, .txt files and a file exposed by third party tool. Using c# (in VS 2008), I want to encrypt the whole folder in someway before transferring it through FTP.
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Dec 5, 2010
I would like to encrypt cookies in ASP.NET.
I have followed the method in this article, but it has the drawback that is uses reflection on an internal method. This has caused it to be flagged in a code review -- it is not future-proof as the internal implementation may change.
Is there a method with identical functionality which doesn't require using encryption on internal methods?
I am using .NET Framework 3.5 SP1 (Assume I cannot change framework versions)
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Aug 9, 2010
How should I store KEY from AES encrypt?
SceAES secaes = new SceAES("pomboSenha","G567EF33WQ19PL1S",12,45,256,"SHA1","systemSCE"); "pomboSenha" is the secretKey above.
Is safe to mantain it hardcoded in a class?
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May 22, 2010
how can i encrypt password field in asp.net mvc to be store in encrypted form
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Dec 16, 2010
I need to Encrypt the URLs in my ASP.NET MVC application.
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Jan 20, 2011
I'm very new to asp and vb.net, I've just learned about regular expression validation but one thing is bugging me: How can I hide my expression from being viewed on my source code?
The plan is to make a very simple 'login' type of page. I know this goes against all that is holy in this kind of operations, but it's just something I'd like to try out.
Also, after the expression has been validated, I want to load another page, I was thinking of achieving this with:
<asp:TextBox ID="txtcp" runat="server"></asp:TextBox>
<asp:RegularExpressionValidator ID="RegularExpressionValidator1" runat="server" ErrorMessage="CP Errada"
Display="Dynamic" ControlToValidate="txtcp" ValidationExpression="admin"></asp:RegularExpressionValidator>
and in vb:
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Jul 9, 2010
Does anyone have the code on how to encrypt 128-bit?
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Jul 8, 2010
i am sending pdf attachment mail through the vb.net program .it will go and save in the mail. i want to encrypt and send this pdf. if user open that pdf document trough the it should ask username/password and allow it save local system how to achieve this.
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Apr 29, 2014
I am using this method for Encryption and Decryption.
protected string Encrypt(string clearText)
{
string EncryptionKey = "MAKV2SPBNI99212";
byte[] clearBytes = Encoding.Unicode.GetBytes(clearText);
using (Aes encryptor = Aes.Create())
{
Rfc2898DeriveBytes pdb = new Rfc2898DeriveBytes(EncryptionKey, new byte[] { 0x49, 0x76, 0x61, 0x6e, 0x20, 0x4d, 0x65, 0x64, 0x76, 0x65, 0x64, 0x65, 0x76 });
[code].....
how can Encrypt and Decrypt this .
<a href = '" + Request.Url.AbsoluteUri.Replace("Test.aspx", "Display_Request.aspx?RequestID=" + empid) + "'>Click here to activate your account.</a>
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