hide parameters in querystring

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hi,

am developing web application,when i redirect from one web page to another webpage
query string is displyed with all the parameters.

Eg:
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Response.Redirect("~/User.aspx?UserName=" + txtuser.Text.Replace("&", "%26") +
"&Password=" + txtpwd.Text.Replace("&", "%26"));

in the querystring it's displying username and password.

but password don't apper on query string in browser

How to solve it.

Posted 27-Jan-14 22:37pm

Member 10263519

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londhess · Accepted Answer · 2014-01-27T22:49:00

Simple you can use encrypt and decrypt method for this.

While passing parameters to second page just do encrupty the username and password and send to another page.
And in another page just use same decrypt algorithm to get original values of username and password.

For symmetric encryption, check out the MSDN doc and examples:

System.Security.Cryptography.Aes
System.Security.Cryptography.DES
System.Security.Cryptography.RC2
System.Security.Cryptography.Rijndael
System.Security.Cryptography.TripleDES

For asymmetric encryption, check out the MSDN doc and examples:

System.Security.Cryptography.DSA
System.Security.Cryptography.ECDiffieHellman
System.Security.Cryptography.ECDsa
System.Security.Cryptography.RSA

If you do not want to visible that decrypted value,then just stored the values in session variable.But here you need to be carefull for session handling