Merge pull request #12867 from IgniteUI/ibarakov/fix-12581-15.1.x

export improvements for dateTime, time and percent cols

Author: igdmdimitrov

projects/igniteui-angular/src/lib/services/excel/excel-exporter-grid.spec.ts

@@ -20,7 +20,8 @@ import {
     ColumnsAddedOnInitComponent,
     GridWithThreeLevelsOfMultiColumnHeadersAndTwoRowsExportComponent,
     GroupedGridWithSummariesComponent,
-    GridCurrencySummariesComponent
+    GridCurrencySummariesComponent,
+    GridUserMeetingDataComponent
 } from '../../test-utils/grid-samples.spec';
 import { SampleTestData } from '../../test-utils/sample-test-data.spec';
 import { first } from 'rxjs/operators';
@@ -75,7 +76,8 @@ describe('Excel Exporter', () => {
                 IgxTreeGridSummariesKeyComponent,
                 IgxHierarchicalGridSummariesExportComponent,
                 GroupedGridWithSummariesComponent,
-                GridCurrencySummariesComponent
+                GridCurrencySummariesComponent,
+                GridUserMeetingDataComponent
             ],
             imports: [IgxGridModule, IgxTreeGridModule, IgxHierarchicalGridModule, IgxPivotGridModule, NoopAnimationsModule]
         }).compileComponents();
@@ -762,6 +764,16 @@ describe('Excel Exporter', () => {
 
             await exportAndVerify(grid, options, actualData.exportGridDataWithSpecialCharsInHeaders);
         });
+
+        it('Should export date, dateTime, time and percent columns correctly', async () => {
+            const fix = TestBed.createComponent(GridUserMeetingDataComponent);
+            fix.detectChanges();
+            await wait();
+
+            const grid = fix.componentInstance.grid;
+
+            await exportAndVerify(grid, options, actualData.exportGriWithDateData);
+        });
     });
 
     describe('', () => {

projects/igniteui-angular/src/lib/services/excel/excel-files.ts

@@ -417,7 +417,6 @@ export class WorksheetFile implements IExcelFile {
 
         const targetColArr = Array.from(worksheetData.owners.values()).map(arr => arr.columns).find(product => product.some(item => item.field === key));
         const targetCol = targetColArr ? targetColArr.find(col => col.field === key) : undefined;
-        const isColumnCurrencyType = targetCol ? targetCol.dataType === 'currency' : false;
 
         if ((cellValue === undefined || cellValue === null) && !worksheetData.hasSummaries) {
             return `<c r="${columnName}" s="1"/>`;
@@ -437,7 +436,12 @@ export class WorksheetFile implements IExcelFile {
 
             const type = isSavedAsString ? ` t="s"` : isSavedAsDate ? ` t="d"` : '';
 
-            const format = isHeaderRecord ? ` s="3"` : isSavedAsString ? '' : isSavedAsDate ? ` s="2"` : isColumnCurrencyType ? ` s="${this.currencyStyleMap.get(targetCol.currencyCode)?.styleXf || 0}"` : ` s="1"`;
+            const isTime = targetCol?.dataType === 'time';
+            const isDateTime = targetCol?.dataType === 'dateTime';
+            const isPercentage = targetCol?.dataType === 'percent';
+            const isColumnCurrencyType = targetCol?.dataType === 'currency';
+
+            const format = isPercentage ? ` s="12"` : isDateTime ? ` s="11"` : isTime ? ` s="10"` : isHeaderRecord ? ` s="3"` : isSavedAsString ? '' : isSavedAsDate ? ` s="2"` : isColumnCurrencyType ? ` s="${this.currencyStyleMap.get(targetCol.currencyCode)?.styleXf || 0}"` : ` s="1"`;
 
             return `<c r="${columnName}"${type}${format}><v>${value}</v></c>`;
         } else {

projects/igniteui-angular/src/lib/services/excel/excel-strings.ts

@@ -22,7 +22,7 @@ export class ExcelStrings {
 
     public static getStyles(): string {
         return ExcelStrings.XML_STRING +
-        '<styleSheet xmlns="http://schemas.openxmlformats.org/spreadsheetml/2006/main" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" mc:Ignorable="x14ac x16r2" xmlns:x14ac="http://schemas.microsoft.com/office/spreadsheetml/2009/9/ac" xmlns:x16r2="http://schemas.microsoft.com/office/spreadsheetml/2015/02/main"><numFmts count="5"><numFmt numFmtId="164" formatCode="&quot;$&quot;#,##0.00"/><numFmt numFmtId="165" formatCode="[$£-809]#,##0.00"/><numFmt numFmtId="166" formatCode="[$¥-804]#,##0.00"/><numFmt numFmtId="167" formatCode="#,##0.00\ [$€-1]"/><numFmt numFmtId="168" formatCode="[$¥-411]#,##0.00"/></numFmts><fonts count="2" x14ac:knownFonts="1"><font><sz val="11"/><color theme="1"/><name val="Calibri"/><family val="2"/><scheme val="minor"/></font><font><sz val="11"/><color rgb="FFB7B7B7"/><name val="Calibri"/><family val="2"/><scheme val="minor"/></font></fonts><fills count="3"><fill><patternFill patternType="none"/></fill><fill><patternFill patternType="gray125"/></fill><fill><patternFill patternType="solid"><fgColor rgb="FF0D1822"/><bgColor indexed="64"/></patternFill></fill></fills><borders count="1"><border><left/><right/><top/><bottom/><diagonal/></border></borders><cellStyleXfs count="1"><xf numFmtId="0" fontId="0" fillId="0" borderId="0"/></cellStyleXfs><cellXfs count="10"><xf numFmtId="0" fontId="0" fillId="0" borderId="0" xfId="0"/><xf numFmtId="0" fontId="0" fillId="0" borderId="0" xfId="0" applyNumberFormat="1"/><xf numFmtId="14" fontId="0" fillId="0" borderId="0" xfId="0" applyNumberFormat="1"/><xf numFmtId="0" fontId="1" fillId="2" borderId="0" xfId="0"/><xf numFmtId="0" fontId="0" fillId="0" borderId="0" xfId="0" applyAlignment="1"><alignment horizontal="center" vertical="center"/></xf><xf numFmtId="164" fontId="0" fillId="0" borderId="0" xfId="0" applyNumberFormat="1"/><xf numFmtId="165" fontId="0" fillId="0" borderId="0" xfId="0" applyNumberFormat="1"/><xf numFmtId="166" fontId="0" fillId="0" borderId="0" xfId="0" applyNumberFormat="1"/><xf numFmtId="167" fontId="0" fillId="0" borderId="0" xfId="0" applyNumberFormat="1"/><xf numFmtId="168" fontId="0" fillId="0" borderId="0" xfId="0" applyNumberFormat="1"/></cellXfs><cellStyles count="1"><cellStyle name="Normal" xfId="0" builtinId="0"/></cellStyles><dxfs count="0"/><tableStyles count="0" defaultTableStyle="TableStyleMedium2" defaultPivotStyle="PivotStyleLight16"/><extLst><ext uri="{EB79DEF2-80B8-43e5-95BD-54CBDDF9020C}" xmlns:x14="http://schemas.microsoft.com/office/spreadsheetml/2009/9/main"><x14:slicerStyles defaultSlicerStyle="SlicerStyleLight1"/></ext><ext uri="{9260A510-F301-46a8-8635-F512D64BE5F5}" xmlns:x15="http://schemas.microsoft.com/office/spreadsheetml/2010/11/main"><x15:timelineStyles defaultTimelineStyle="TimeSlicerStyleLight1"/></ext></extLst></styleSheet>';
+        '<styleSheet xmlns="http://schemas.openxmlformats.org/spreadsheetml/2006/main" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" mc:Ignorable="x14ac x16r2" xmlns:x14ac="http://schemas.microsoft.com/office/spreadsheetml/2009/9/ac" xmlns:x16r2="http://schemas.microsoft.com/office/spreadsheetml/2015/02/main"><numFmts count="5"><numFmt numFmtId="164" formatCode="&quot;$&quot;#,##0.00"/><numFmt numFmtId="165" formatCode="[$£-809]#,##0.00"/><numFmt numFmtId="166" formatCode="[$¥-804]#,##0.00"/><numFmt numFmtId="167" formatCode="#,##0.00\ [$€-1]"/><numFmt numFmtId="168" formatCode="[$¥-411]#,##0.00"/></numFmts><fonts count="2" x14ac:knownFonts="1"><font><sz val="11"/><color theme="1"/><name val="Calibri"/><family val="2"/><scheme val="minor"/></font><font><sz val="11"/><color rgb="FFB7B7B7"/><name val="Calibri"/><family val="2"/><scheme val="minor"/></font></fonts><fills count="3"><fill><patternFill patternType="none"/></fill><fill><patternFill patternType="gray125"/></fill><fill><patternFill patternType="solid"><fgColor rgb="FF0D1822"/><bgColor indexed="64"/></patternFill></fill></fills><borders count="1"><border><left/><right/><top/><bottom/><diagonal/></border></borders><cellStyleXfs count="1"><xf numFmtId="0" fontId="0" fillId="0" borderId="0"/></cellStyleXfs><cellXfs count="13"><xf numFmtId="0" fontId="0" fillId="0" borderId="0" xfId="0"/><xf numFmtId="0" fontId="0" fillId="0" borderId="0" xfId="0" applyNumberFormat="1"/><xf numFmtId="14" fontId="0" fillId="0" borderId="0" xfId="0" applyNumberFormat="1"/><xf numFmtId="0" fontId="1" fillId="2" borderId="0" xfId="0"/><xf numFmtId="0" fontId="0" fillId="0" borderId="0" xfId="0" applyAlignment="1"><alignment horizontal="center" vertical="center"/></xf><xf numFmtId="164" fontId="0" fillId="0" borderId="0" xfId="0" applyNumberFormat="1"/><xf numFmtId="165" fontId="0" fillId="0" borderId="0" xfId="0" applyNumberFormat="1"/><xf numFmtId="166" fontId="0" fillId="0" borderId="0" xfId="0" applyNumberFormat="1"/><xf numFmtId="167" fontId="0" fillId="0" borderId="0" xfId="0" applyNumberFormat="1"/><xf numFmtId="168" fontId="0" fillId="0" borderId="0" xfId="0" applyNumberFormat="1"/><xf numFmtId="21" fontId="0" fillId="0" borderId="0" xfId="0" applyNumberFormat="1"/><xf numFmtId="22" fontId="0" fillId="0" borderId="0" xfId="0" applyNumberFormat="1"/><xf numFmtId="10" fontId="0" fillId="0" borderId="0" xfId="0" applyNumberFormat="1"/></cellXfs><cellStyles count="1"><cellStyle name="Normal" xfId="0" builtinId="0"/></cellStyles><dxfs count="0"/><tableStyles count="0" defaultTableStyle="TableStyleMedium2" defaultPivotStyle="PivotStyleLight16"/><extLst><ext uri="{EB79DEF2-80B8-43e5-95BD-54CBDDF9020C}" xmlns:x14="http://schemas.microsoft.com/office/spreadsheetml/2009/9/main"><x14:slicerStyles defaultSlicerStyle="SlicerStyleLight1"/></ext><ext uri="{9260A510-F301-46a8-8635-F512D64BE5F5}" xmlns:x15="http://schemas.microsoft.com/office/spreadsheetml/2010/11/main"><x15:timelineStyles defaultTimelineStyle="TimeSlicerStyleLight1"/></ext></extLst></styleSheet>';
     }
 
     public static getWorkbook(worksheetName: string): string {

projects/igniteui-angular/src/lib/services/excel/test-data.service.spec.ts

@@ -1482,6 +1482,24 @@ export class FileContentData {
         return this.createData();
     }
 
+    public get exportGriWithDateData() {
+        this._sharedStringsData =
+            `count="10" uniqueCount="10"><si><t>Name</t></si><si><t>BirthDate</t></si><si><t>LastLogin</t></si><si><t>MeetingTime</t></si><si><t>AttendanceRate</t></si><si><t>Casey Houston</t></si><si><t>Gilberto Todd</t></si><si><t>Tanya Bennett</t></si><si><t>Jack Simon</t></si><si><t>Celia Martinez</t></si>`;
+
+        this._tableData =
+            `ref="A1:E6" totalsRowShown="0">
+            <autoFilter ref="A1:E6"/><tableColumns count="5"><tableColumn id="1" name="Name"/><tableColumn id="2" name="BirthDate"/><tableColumn id="3" name="LastLogin"/><tableColumn id="4" name="MeetingTime"/><tableColumn id="5" name="AttendanceRate"/></tableColumns>`;
+
+        this._worksheetData =
+            `<dimension ref="A1:E6"/>
+            <sheetViews><sheetView tabSelected="1" workbookViewId="0"></sheetView></sheetViews>
+            <sheetFormatPr defaultRowHeight="15"  x14ac:dyDescent="0.25"/>
+            <cols><col min="1" max="1" width="50" customWidth="1"/><col min="2" max="2" width="50" customWidth="1"/><col min="3" max="3" width="50" customWidth="1"/><col min="4" max="4" width="50" customWidth="1"/><col min="5" max="5" width="50" customWidth="1"/></cols>
+            <sheetData><row r="1"><c r="A1" t="s"><v>0</v></c><c r="B1" t="s"><v>1</v></c><c r="C1" t="s"><v>2</v></c><c r="D1" t="s"><v>3</v></c><c r="E1" t="s"><v>4</v></c></row><row r="2"><c r="A2" t="s"><v>5</v></c><c r="B2" t="d" s="2"><v>1990-03-14T00:00:00</v></c><c r="C2" t="d" s="11"><v>2023-04-28T13:12:36</v></c><c r="D2" t="d" s="10"><v>2023-07-07T10:30:01</v></c><c r="E2" s="12"><v>0.78</v></c></row><row r="3"><c r="A3" t="s"><v>6</v></c><c r="B3" t="d" s="2"><v>1985-05-17T00:00:00</v></c><c r="C3" t="d" s="11"><v>2023-04-14T14:25:23</v></c><c r="D3" t="d" s="10"><v>2023-07-07T09:35:31</v></c><c r="E3" s="12"><v>0.46</v></c></row><row r="4"><c r="A4" t="s"><v>7</v></c><c r="B4" t="d" s="2"><v>1987-07-19T00:00:00</v></c><c r="C4" t="d" s="11"><v>2023-03-23T19:07:13</v></c><c r="D4" t="d" s="10"><v>2023-07-07T13:10:36</v></c><c r="E4" s="12"><v>0.289</v></c></row><row r="5"><c r="A5" t="s"><v>8</v></c><c r="B5" t="d" s="2"><v>1995-09-23T00:00:00</v></c><c r="C5" t="d" s="11"><v>2023-02-27T17:17:41</v></c><c r="D5" t="d" s="10"><v>2023-07-07T14:50:47</v></c><c r="E5" s="12"><v>1</v></c></row><row r="6"><c r="A6" t="s"><v>9</v></c><c r="B6" t="d" s="2"><v>1994-11-27T00:00:00</v></c><c r="C6" t="d" s="11"><v>2023-03-14T01:31:49</v></c><c r="D6" t="d" s="10"><v>2023-07-07T07:00:17</v></c><c r="E6" s="12"><v>0.384</v></c></row></sheetData>`;
+
+        return this.createData();
+    }
+
     public get exportHierarchicalDataWithSkippedColumns() {
         this._sharedStringsData =
             `count="89" uniqueCount="47"><si><t>Artist</t></si><si><t>Grammy Nominations</t></si><si><t>Grammy Awards</t></si><si><t>Naomí Yepes</t></si><si><t>Launch Date</t></si><si><t>US Billboard 200</t></si><si><t>No.</t></si><si><t>Title</t></si><si><t>Genre</t></si><si><t>Wood Shavifdsafdsafsangs Forever</t></si><si><t>*fdasfsa</t></si><si><t>Wood Shavifdsafdsafsavngs Forever</t></si><si><t>*vxzvczx</t></si><si><t>Wfdsafsaings Forever</t></si><si><t>*fdsacewwwqwq</t></si><si><t>Wood Shavings Forever</t></si><si><t>*rewqrqcxz</t></si><si><t>Wood Shavings Forever - Remix</t></si><si><t>Punk</t></si><si><t>SANTORINI</t></si><si><t>Hip-Hop</t></si><si><t>HEARTBEAT</t></si><si><t>OVERSEAS</t></si><si><t>Zoom</t></si><si><t>Do You?</t></si><si><t>No Photos</t></si><si><t>Tour</t></si><si><t>Started on</t></si><si><t>Location</t></si><si><t>Headliner</t></si><si><t>Faithful Tour</t></si><si><t>Sep 12</t></si><si><t>Worldwide</t></si><si><t>NO</t></si><si><t>Country</t></si><si><t>Attendants</t></si><si><t>Belgium</t></si><si><t>USA</t></si><si><t>Babila Ebwélé</t></si><si><t>Show Out</t></si><si><t>Mood Swings</t></si><si><t>Scenario</t></si><si><t>Astroworld</t></si><si><t>Jul 21</t></si><si><t>Bulgaria</t></si><si><t>Romania</t></si><si><t>Chloe</t></si>`;

projects/igniteui-angular/src/lib/services/excel/zip-helper.spec.ts

@@ -126,7 +126,7 @@ export class ZipFiles {
     }
 
     public static getStylesheetXML(): string {
-        return `<?xml version="1.0" encoding="UTF-8"?><styleSheet xmlns="http://schemas.openxmlformats.org/spreadsheetml/2006/main" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" mc:Ignorable="x14ac x16r2" xmlns:x14ac="http://schemas.microsoft.com/office/spreadsheetml/2009/9/ac" xmlns:x16r2="http://schemas.microsoft.com/office/spreadsheetml/2015/02/main"><numFmts count="5"><numFmt numFmtId="164" formatCode="&quot;$&quot;#,##0.00"/><numFmt numFmtId="165" formatCode="[$£-809]#,##0.00"/><numFmt numFmtId="166" formatCode="[$¥-804]#,##0.00"/><numFmt numFmtId="167" formatCode="#,##0.00 [$€-1]"/><numFmt numFmtId="168" formatCode="[$¥-411]#,##0.00"/></numFmts><fonts count="2" x14ac:knownFonts="1"><font><sz val="11"/><color theme="1"/><name val="Calibri"/><family val="2"/><scheme val="minor"/></font><font><sz val="11"/><color rgb="FFB7B7B7"/><name val="Calibri"/><family val="2"/><scheme val="minor"/></font></fonts><fills count="3"><fill><patternFill patternType="none"/></fill><fill><patternFill patternType="gray125"/></fill><fill><patternFill patternType="solid"><fgColor rgb="FF0D1822"/><bgColor indexed="64"/></patternFill></fill></fills><borders count="1"><border><left/><right/><top/><bottom/><diagonal/></border></borders><cellStyleXfs count="1"><xf numFmtId="0" fontId="0" fillId="0" borderId="0"/></cellStyleXfs><cellXfs count="10"><xf numFmtId="0" fontId="0" fillId="0" borderId="0" xfId="0"/><xf numFmtId="0" fontId="0" fillId="0" borderId="0" xfId="0" applyNumberFormat="1"/><xf numFmtId="14" fontId="0" fillId="0" borderId="0" xfId="0" applyNumberFormat="1"/><xf numFmtId="0" fontId="1" fillId="2" borderId="0" xfId="0"/><xf numFmtId="0" fontId="0" fillId="0" borderId="0" xfId="0" applyAlignment="1"><alignment horizontal="center" vertical="center"/></xf><xf numFmtId="164" fontId="0" fillId="0" borderId="0" xfId="0" applyNumberFormat="1"/><xf numFmtId="165" fontId="0" fillId="0" borderId="0" xfId="0" applyNumberFormat="1"/><xf numFmtId="166" fontId="0" fillId="0" borderId="0" xfId="0" applyNumberFormat="1"/><xf numFmtId="167" fontId="0" fillId="0" borderId="0" xfId="0" applyNumberFormat="1"/><xf numFmtId="168" fontId="0" fillId="0" borderId="0" xfId="0" applyNumberFormat="1"/></cellXfs><cellStyles count="1"><cellStyle name="Normal" xfId="0" builtinId="0"/></cellStyles><dxfs count="0"/><tableStyles count="0" defaultTableStyle="TableStyleMedium2" defaultPivotStyle="PivotStyleLight16"/><extLst><ext uri="{EB79DEF2-80B8-43e5-95BD-54CBDDF9020C}" xmlns:x14="http://schemas.microsoft.com/office/spreadsheetml/2009/9/main"><x14:slicerStyles defaultSlicerStyle="SlicerStyleLight1"/></ext><ext uri="{9260A510-F301-46a8-8635-F512D64BE5F5}" xmlns:x15="http://schemas.microsoft.com/office/spreadsheetml/2010/11/main"><x15:timelineStyles defaultTimelineStyle="TimeSlicerStyleLight1"/></ext></extLst></styleSheet>`;
+        return `<?xml version="1.0" encoding="UTF-8"?><styleSheet xmlns="http://schemas.openxmlformats.org/spreadsheetml/2006/main" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" mc:Ignorable="x14ac x16r2" xmlns:x14ac="http://schemas.microsoft.com/office/spreadsheetml/2009/9/ac" xmlns:x16r2="http://schemas.microsoft.com/office/spreadsheetml/2015/02/main"><numFmts count="5"><numFmt numFmtId="164" formatCode="&quot;$&quot;#,##0.00"/><numFmt numFmtId="165" formatCode="[$£-809]#,##0.00"/><numFmt numFmtId="166" formatCode="[$¥-804]#,##0.00"/><numFmt numFmtId="167" formatCode="#,##0.00\ [$€-1]"/><numFmt numFmtId="168" formatCode="[$¥-411]#,##0.00"/></numFmts><fonts count="2" x14ac:knownFonts="1"><font><sz val="11"/><color theme="1"/><name val="Calibri"/><family val="2"/><scheme val="minor"/></font><font><sz val="11"/><color rgb="FFB7B7B7"/><name val="Calibri"/><family val="2"/><scheme val="minor"/></font></fonts><fills count="3"><fill><patternFill patternType="none"/></fill><fill><patternFill patternType="gray125"/></fill><fill><patternFill patternType="solid"><fgColor rgb="FF0D1822"/><bgColor indexed="64"/></patternFill></fill></fills><borders count="1"><border><left/><right/><top/><bottom/><diagonal/></border></borders><cellStyleXfs count="1"><xf numFmtId="0" fontId="0" fillId="0" borderId="0"/></cellStyleXfs><cellXfs count="13"><xf numFmtId="0" fontId="0" fillId="0" borderId="0" xfId="0"/><xf numFmtId="0" fontId="0" fillId="0" borderId="0" xfId="0" applyNumberFormat="1"/><xf numFmtId="14" fontId="0" fillId="0" borderId="0" xfId="0" applyNumberFormat="1"/><xf numFmtId="0" fontId="1" fillId="2" borderId="0" xfId="0"/><xf numFmtId="0" fontId="0" fillId="0" borderId="0" xfId="0" applyAlignment="1"><alignment horizontal="center" vertical="center"/></xf><xf numFmtId="164" fontId="0" fillId="0" borderId="0" xfId="0" applyNumberFormat="1"/><xf numFmtId="165" fontId="0" fillId="0" borderId="0" xfId="0" applyNumberFormat="1"/><xf numFmtId="166" fontId="0" fillId="0" borderId="0" xfId="0" applyNumberFormat="1"/><xf numFmtId="167" fontId="0" fillId="0" borderId="0" xfId="0" applyNumberFormat="1"/><xf numFmtId="168" fontId="0" fillId="0" borderId="0" xfId="0" applyNumberFormat="1"/><xf numFmtId="21" fontId="0" fillId="0" borderId="0" xfId="0" applyNumberFormat="1"/><xf numFmtId="22" fontId="0" fillId="0" borderId="0" xfId="0" applyNumberFormat="1"/><xf numFmtId="10" fontId="0" fillId="0" borderId="0" xfId="0" applyNumberFormat="1"/></cellXfs><cellStyles count="1"><cellStyle name="Normal" xfId="0" builtinId="0"/></cellStyles><dxfs count="0"/><tableStyles count="0" defaultTableStyle="TableStyleMedium2" defaultPivotStyle="PivotStyleLight16"/><extLst><ext uri="{EB79DEF2-80B8-43e5-95BD-54CBDDF9020C}" xmlns:x14="http://schemas.microsoft.com/office/spreadsheetml/2009/9/main"><x14:slicerStyles defaultSlicerStyle="SlicerStyleLight1"/></ext><ext uri="{9260A510-F301-46a8-8635-F512D64BE5F5}" xmlns:x15="http://schemas.microsoft.com/office/spreadsheetml/2010/11/main"><x15:timelineStyles defaultTimelineStyle="TimeSlicerStyleLight1"/></ext></extLst></styleSheet>`;
     }
 
     public static getSharedStringsXML(stringsData: string) {

projects/igniteui-angular/src/lib/services/exporter-common/base-export-service.ts

@@ -454,8 +454,9 @@ export abstract class IgxBaseExporter {
                         let rawValue = resolveNestedPath(record.data, e.field);
 
                         const shouldApplyFormatter = e.formatter && !e.skipFormatter && record.type !== ExportRecordType.GroupedRecord;
+                        const isOfDateType = e.dataType === 'date' || e.dataType === 'dateTime' || e.dataType === 'time';
 
-                        if (e.dataType === 'date' &&
+                        if (isOfDateType &&
                             record.type !== ExportRecordType.SummaryRecord &&
                             record.type !== ExportRecordType.GroupedRecord &&
                             !(rawValue instanceof Date) &&