/ASP.NET Calling SharePoint Rest Api with jQuery AJAX getting "401 (Unauthorized)"/
Please help in authorization part
'Authorization': "NTLM " +btoa(username:password)Add Item to SharePoint List<h1>Add Item to SharePoint List</h1> Username:<br> Password:<br> Add Item<script src="https://code.jquery.com/jquery-3.6.0.min.js"></script><script> $(document).ready(function() { $('#addItemForm').submit(function(event) { event.preventDefault(); const siteUrl = 'https://your-sharepoint-site-url.com'; // Update with your SharePoint site URL const listTitle = 'YourListTitle'; // Update with your SharePoint list title const endpointUrl = `${siteUrl}/_api/web/lists/getbytitle('${listTitle}')/items`; const newItemData = {'Title': 'New Item Title','Description': 'This is a new item added from an external application.' // Add more properties as needed for your SharePoint list columns }; const username = $('#username').val(); const password = $('#password').val(); const basicAuth = 'NTLM '+ btoa(username +':'+ password); $.ajax({ url: endpointUrl, type: 'POST', headers: {'Accept': 'application/json;odata=verbose','Content-Type': 'application/json;odata=verbose','Authorization': "NTLM " +btoa(username:password) }, data: JSON.stringify(newItemData), success: function(data) { console.log('New item created successfully:', data); // Optionally, display a success message to the user }, error: function(error) { console.error('Error creating new item:', error); // Optionally, display an error message to the user } }); }); });</script>