From 3fd01d0207f65a958c0e2797e3ec2c5ddbd574c7 Mon Sep 17 00:00:00 2001
From: IBarakov <ibarakov@infragistics.com>
Date: Tue, 3 Nov 2020 13:33:18 +0200
Subject: [PATCH 1/2] feat(esf-sample-3): add custom excel style header icon

---
 .../grid-excel-style-filtering-sample-3.component.html        | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/app/grid/grid-excel-style-filtering-sample-3/grid-excel-style-filtering-sample-3.component.html b/src/app/grid/grid-excel-style-filtering-sample-3/grid-excel-style-filtering-sample-3.component.html
index 80d3c1a3ff..2877ea4fb0 100644
--- a/src/app/grid/grid-excel-style-filtering-sample-3/grid-excel-style-filtering-sample-3.component.html
+++ b/src/app/grid/grid-excel-style-filtering-sample-3/grid-excel-style-filtering-sample-3.component.html
@@ -1,6 +1,10 @@
 <div class="grid__wrapper">
     <igx-grid igxPreventDocumentScroll #grid1 [data]="data" [autoGenerate]="false" [showToolbar]="true" [columnHiding]="true" height="650px" width="100%" [allowFiltering]="true" [filterMode]="'excelStyleFilter'">
 
+        <ng-template igxExcelStyleHeaderIcon>
+            <igx-icon>filter_alt</igx-icon>
+        </ng-template>
+
         <igx-grid-excel-style-filtering [minHeight]="'380px'" [maxHeight]="'500px'">
             <igx-excel-style-column-operations>
                 <igx-excel-style-header

From 15ae56c8c388694af26c134b40d8dcb5fbbaa19e Mon Sep 17 00:00:00 2001
From: IBarakov <ibarakov@infragistics.com>
Date: Tue, 3 Nov 2020 13:36:39 +0200
Subject: [PATCH 2/2] feat(esf-sample-3): add custom excel style header icon in
 tree and hierarchical grid too

---
 ...rchical-grid-excel-style-filtering-sample-3.component.html | 4 ++++
 .../tree-grid-excel-style-filtering-sample-3.component.html   | 4 ++++
 2 files changed, 8 insertions(+)

diff --git a/src/app/hierarchical-grid/hierarchical-grid-excel-style-filtering-sample-3/hierarchical-grid-excel-style-filtering-sample-3.component.html b/src/app/hierarchical-grid/hierarchical-grid-excel-style-filtering-sample-3/hierarchical-grid-excel-style-filtering-sample-3.component.html
index bb5bda0434..6176c142b3 100644
--- a/src/app/hierarchical-grid/hierarchical-grid-excel-style-filtering-sample-3/hierarchical-grid-excel-style-filtering-sample-3.component.html
+++ b/src/app/hierarchical-grid/hierarchical-grid-excel-style-filtering-sample-3/hierarchical-grid-excel-style-filtering-sample-3.component.html
@@ -2,6 +2,10 @@
     <igx-hierarchical-grid igxPreventDocumentScroll  class="hgrid" [data]="localdata" [showToolbar]="true" [columnHiding]="true" [autoGenerate]="false" [allowFiltering]='true' filterMode="excelStyleFilter"
     height="650px" [width]="'100%'" [rowHeight]="'65px'" #hierarchicalGrid>
 
+        <ng-template igxExcelStyleHeaderIcon>
+            <igx-icon>filter_alt</igx-icon>
+        </ng-template>
+
         <igx-grid-excel-style-filtering [minHeight]="'380px'" [maxHeight]="'500px'">
             <igx-excel-style-column-operations>
                 <igx-excel-style-header
diff --git a/src/app/tree-grid/tree-grid-excel-style-filtering-sample-3/tree-grid-excel-style-filtering-sample-3.component.html b/src/app/tree-grid/tree-grid-excel-style-filtering-sample-3/tree-grid-excel-style-filtering-sample-3.component.html
index f08385c199..f4700098ad 100644
--- a/src/app/tree-grid/tree-grid-excel-style-filtering-sample-3/tree-grid-excel-style-filtering-sample-3.component.html
+++ b/src/app/tree-grid/tree-grid-excel-style-filtering-sample-3/tree-grid-excel-style-filtering-sample-3.component.html
@@ -2,6 +2,10 @@
     <igx-tree-grid igxPreventDocumentScroll  #treegrid1 [data]="data" [showToolbar]="true" [columnHiding]="true" [autoGenerate]="false" height="650px" width="100%" [allowFiltering]="true"
         primaryKey="ID" foreignKey="ParentID" filterMode="excelStyleFilter">
 
+        <ng-template igxExcelStyleHeaderIcon>
+            <igx-icon>filter_alt</igx-icon>
+        </ng-template>
+
         <igx-grid-excel-style-filtering [minHeight]="'380px'" [maxHeight]="'500px'">
             <igx-excel-style-column-operations>
                 <igx-excel-style-header