title: How can i pass NULL value in ajax jquery call?
body: <p>Is there any way to handle null value when doing Ajax Call?</p>
  
  <pre><code> $.ajax({
              type: "POST",
              url: "Login.aspx/SaveFacebookAutoSignUp",
              data: "{ 'Name':'" + rows[0].name + "', 'EmailId': '" + rows[0].email + "'}",
              contentType: "application/json; charset=utf-8",
              dataType: "json",
              success: function (msg) {
                  alert("You have successfully sign in.");
  
              }
          });
  </code></pre>
  
  <p>This is saving "null" value in my DB for EmailId when it is not fetch from other page?</p>
  
  <p>I want to save "NULL" (DB default NULL allow) in DB when it is not having any value?</p>
  
  <p>What is the way to do so?</p>