From b7fd5859dd5a7fdd52d0ee2448c8f1f43892e232 Mon Sep 17 00:00:00 2001
From: Adnaan Ali <adnaan.2735@gmail.com>
Date: Wed, 28 Jan 2026 11:50:19 +0000
Subject: [PATCH] =?UTF-8?q?fix:=20=F0=9F=90=9B=20handle=20absent=20serialN?=
 =?UTF-8?q?o=20column=20in=20filter=20input=20#218?=
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Use getStandardColumnCount to dynamically determine if the first column
shoould be disabled, preventing data columns from being  incorrectly
locked when serialNoColumn is false.

✅ Closes: #218
---
 src/rowmanager.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/rowmanager.js b/src/rowmanager.js
index 6f27bf0..54b9edc 100644
--- a/src/rowmanager.js
+++ b/src/rowmanager.js
@@ -360,7 +360,7 @@ export default class RowManager {
         let title = `title="Filter based on ${props.name || 'Index'}"`;
         const dataAttr = makeDataAttributeString(props);
         return `<input class="dt-filter dt-input" type="text" ${dataAttr} tabindex="1"
-            ${props.colIndex === 0 ? 'disabled' : title} />`;
+            ${props.colIndex < this.datamanager.getStandardColumnCount() ? 'disabled' : title} />`;
     }
 
     selector(rowIndex) {