From b6d5d0cac8a9ae2f99ef7fdc34d8e53353fcf84b Mon Sep 17 00:00:00 2001
From: Teemu Suo-Anttila <tsuoanttila@users.noreply.github.com>
Date: Fri, 4 May 2018 14:53:21 +0300
Subject: Fix Grid initial data when changing TabSheet Tab (#10872)

---
 server/src/main/java/com/vaadin/data/provider/DataCommunicator.java | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'server')

diff --git a/server/src/main/java/com/vaadin/data/provider/DataCommunicator.java b/server/src/main/java/com/vaadin/data/provider/DataCommunicator.java
index 99201965f1..574ed99045 100644
--- a/server/src/main/java/com/vaadin/data/provider/DataCommunicator.java
+++ b/server/src/main/java/com/vaadin/data/provider/DataCommunicator.java
@@ -220,6 +220,11 @@ public class DataCommunicator<T> extends AbstractExtension {
     public void attach() {
         super.attach();
         attachDataProviderListener();
+
+        if (getPushRows().isEmpty()) {
+            // Make sure rows are pushed when component is attached.
+            setPushRows(Range.withLength(0, getMinPushSize()));
+        }
     }
 
     @Override
-- 
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