From 7b324241434d818eeb528c6bfb0dcc8f512882c2 Mon Sep 17 00:00:00 2001
From: Jan Prochazka <jan.prochazka@gmail.com>
Date: Thu, 29 Apr 2021 09:31:41 +0200
Subject: [PATCH] fix

---
 packages/web/src/datagrid/gridutil.ts | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/packages/web/src/datagrid/gridutil.ts b/packages/web/src/datagrid/gridutil.ts
index 60878d367..d5f91ea5f 100644
--- a/packages/web/src/datagrid/gridutil.ts
+++ b/packages/web/src/datagrid/gridutil.ts
@@ -54,6 +54,9 @@ export function countColumnSizes(grider: Grider, columns, containerWidth, displa
   context.font = '14px Helvetica';
   for (let rowIndex = 0; rowIndex < Math.min(grider.rowCount, 20); rowIndex += 1) {
     const row = grider.getRowData(rowIndex);
+    if (!row) {
+      continue;
+    }
     for (let colIndex = 0; colIndex < columns.length; colIndex++) {
       const uqName = columns[colIndex].uniqueName;