[Solved] Encrypt Password before sending to server in ASP.Net

 <form>
     Bank Account Number:
     <input id="txtAccountNo" type="text" />
     <input type="button" value="Submit" onclick="Submit()" />
 </form>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/crypto-js/4.2.0/crypto-js.min.js" integrity="sha512-a+SUDuwNzXDvz4XrIcXHuCf089/iJAoN4lmrXJg18XnduKK6YlDHNRalv4yd1N40OKI80tFidF+rqTFKGPoWFQ==" crossorigin="anonymous" referrerpolicy="no-referrer"></script>
 <script type="text/javascript">
     //Secret Key.
     var secretKey = "$ASPcAwSNIgcPPEoTSa0ODw#";

     //Secret Bytes.
     var secretBytes = CryptoJS.enc.Utf8.parse(secretKey);

     function Submit() {
         //Read the Plain text.
         var txtAccountNo = document.getElementById("txtAccountNo");

         //Encrypt with AES Alogorithm using Secret Key.
         var encrypted = CryptoJS.AES.encrypt(txtAccountNo.value, secretBytes, {
             mode: CryptoJS.mode.ECB,
             padding: CryptoJS.pad.Pkcs7
         });
         //Set the encrypted value in TextBox.
         txtAccountNo.value = encrypted;

         //Submit the Form....
         //document.forms[0].submit();
     }
 </script>