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Editorial Team
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Asked: 2026-05-28T04:10:51+00:00

Ive been working on some jquery within a a page. Now all of a

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Ive been working on some jquery within a a page.
Now all of a sudden the post functions seem to have stopped working?

 function deleteRow(OrderNo, LineNo) {
    alert(OrderNo + ";" + LineNo);
    $.ajax({
        type: "POST",
        url: "Ajax.aspx/DeleteRow",
        data: '{' + 'OrderNo:"' + OrderNo + '",' + 'LineNo:"' + LineNo + '"' +
                   '}',
        contentType: "application/json; charset=utf-8",
        dataType: "json",
        success: function (msg) {
            //$("#item").val(msg);
            var data = jQuery.parseJSON(msg);
            if (!data.error) {
                $('#' + LineNo).remove();
            }
            else {
                alert("Error" + " " + data.error);
            }
        },
        error: function (msg) {
            alert('Failure: ' + msg);
        }
    });
}

This is a jquery function which gives an error back ‘Failure [object Object]’

the function DeleteRow does exist in Ajax.aspx and does work. Cant understand why all of a sudden the post functions would stop working??

[WebMethod]
public static string DeleteRow(string OrderNo, string LineNo)
{
    SqlConnection myConnection = new SqlConnection(connStr);
    myConnection.Open();
    //Check if param exisits
   string SQLst = "Delete from Saved_Order_Import where [Order No] = '"+OrderNo+"' And [Line No] = '"+LineNo+"'";
   try
   {
       SqlCommand myComman = new SqlCommand(SQLst, myConnection);
       myComman.ExecuteNonQuery();
   }
   catch (Exception ex)
   {
       myConnection.Close();
       return "{\"error\":\"Error Line Not Deleted" + ex.ToString() + "\"}";
   }
   myConnection.Close();
   return "{\"Success\":\"Line Deleted\"}";
}

console log 

abort: function ( statusText ) {
always: function () {
complete: function () {
done: function () {
error: function () {
fail: function () {
getAllResponseHeaders: function () {
getResponseHeader: function ( key ) {
isRejected: function () {
isResolved: function () {
overrideMimeType: function ( type ) {
pipe: function ( fnDone, fnFail ) {
promise: function ( obj ) {
readyState: 4
responseText:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1"><title>

</title></head>
<body>
    <form name="form1" method="post" action="Ajax.aspx" id="form1">
<div>
<input type="hidden" name="__VIEWSTATE" id="__VIEWSTATE" value="/wEPDwULLTE2MTY2ODcyMjlkZAZAz479BJ9BS5KpwM0PauBgztmI" />
</div>

    <div>
    </div>
    </form>
</body>
</html>
"
setRequestHeader: function ( name, value ) {
status: 200
statusCode: function ( map ) {
statusText: "parsererror"
success: function () {
then: function ( doneCallbacks, failCallbacks ) {
__proto__: Object
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1 Answer

  1. Editorial Team

    Based on the response you posted, the server output was a HTTP Status 200 with a HTML Form as the response. Was this the desired format of the response?

    You’re telling the AJAX function to parse the response as JSON but no JSON came back from the request. Look at your console log. The exception is a parser error.

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