year check valid or not All form commit

templates/add_itat.html

@@ -14,13 +14,18 @@
         <a href="{{ url_for('index') }}" class="back-btn">← Back to Dashboard</a>
 
         <h2>ITAT Form Entry</h2>
-        <form method="POST" onsubmit="return showSuccessMessage()">
+        <form id="itat" method="POST" onsubmit="return showSuccessMessage()">
             <!-- <label>Year:</label>
             <input type="number" name="year" step="0.01" required> -->
 
             <div class="form-group">
                 <label> Year:</label>
-                <select id="year" name="year" required></select>
+                <select id="year" name="year" required>
+                    <option>---- Select Years ----</option>
+                </select>
+            </div>
+
+            <div id="yearError" style="color:red; display:none; margin-bottom:10px;">
             </div>
 
             <label>MAT Tax Credit:</label>