Products
.NET APIs
Java APIs
C++ APIs
Python APIs
Javascript APIs
Mobile APIs
Cloud APIs
AI Products
.NET Libraries
Spire.Office for .NET
Spire.OfficeViewer for .NET
Spire.Doc for .NET
Spire.DocViewer for .NET
Spire.XLS for .NET
Spire.Spreadsheet for .NET
Spire.Presentation for .NET
Spire.PDF for .NET
Spire.PDFViewer for .NET
Spire.PDFViewer for ASP.NET
Spire.DataExport for .NET
Spire.Barcode for .NET
Spire.Email for .NET
Spire.OCR for .NET
Free Products
Free Spire.Office for .NET
Free Spire.Doc for .NET
Free Spire.DocViewer for .NET
Free Spire.XLS for .NET
Free Spire.Presentation for .NET
Free Spire.PDF for .NET
Free Spire.PDFViewer for .NET
Free Spire.PDFConverter for .NET
Free Spire.DataExport for .NET
Free Spire.Barcode for .NET
Free Spire.Email for .NET
WPF Libraries
Spire.Office for WPF
Spire.Doc for WPF
Spire.DocViewer for WPF
Spire.XLS for WPF
Spire.PDF for WPF
Spire.PDFViewer for WPF
Java Libraries
Spire.Office for Java
Spire.Doc for Java
Spire.XLS for Java
Spire.Presentation for Java
Spire.PDF for Java
Spire.Barcode for Java
Spire.OCR for Java
Free Products
Free Spire.Office for Java
Free Spire.Doc for Java
Free Spire.XLS for Java
Free Spire.Presentation for Java
Free Spire.PDF for Java
Free Spire.Barcode for Java
C++ Libraries
Spire.Office for C++
Spire.Doc for C++
Spire.XLS for C++
Spire.PDF for C++
Spire.Presentation for C++
Spire.Barcode for C++
Python Libraries
Spire.Office for Python
Spire.Doc for Python
Spire.XLS for Python
Spire.PDF for Python
Spire.Presentation for Python
Spire.Barcode for Python
Javascript Libraries
Spire.XLS for Javascript
Android Libraries
Spire.Office for Android via Java
Spire.Doc for Android via Java
Spire.XLS for Android via Java
Spire.Presentation for Android via Java
Spire.PDF for Android via Java
Free Android Products
Free Spire.Office for Android via Java
Free Spire.Doc for Android via Java
Free Spire.XLS for Android via Java
Free Spire.Presentation for Android via Java
Free Spire.PDF for Android via Java
Swift Libraries
Spire.XLS for Swift
Cloud Libraries
Spire.Cloud.Office
Spire.Cloud.Word
Spire.Cloud.Excel
Spire.Cloud.PowerPoint
.NET AI
Spire.XLS AI for .NET
Purchase
Order Online
Download Centre
Temporary License
Purchase Policies
Renewal Policies
Find A Reseller
Purchase FAQS
Support FAQs
How to Apply License
License Agreement
Privacy Policy
Support
Forum
Live Demo
Customized Demo
Code Samples
Newsletter
Subscribe
Unsubscribe
API Reference
Blog
Videos
Tutorials
Spire.Doc
Spire.XLS
Spire.Presentation
Spire.PDF
Spire.Barcode
Spire.Email
Spire.OCR
Spire.DocViewer
Spire.PDFViewer
Spire.SpreadSheet
Spire.Cloud
Spire.Doc for .NET
Spire.Doc for Java
Spire.Doc for CPP
Spire.Doc for Python
Spire.XLS for .NET
Spire.XLS for Java
Spire.XLS for CPP
Spire.XLS for Python
Spire.Presentation for .NET
Spire.Presentation for Java
Spire.Presentation for CPP
Spire.Presentation for Python
Spire.PDF for .NET
Spire.PDF for Java
Spire.PDF for CPP
Spire.PDF for Python
Spire.Barcode for .NET
Spire.Barcode for Java
Corporation
About Us
Contact Us
Partner
Become Our Reseller
Affiliate
Paid Support
Our Customers
Reviews
Forum
/
Libraries
/
Spire.XLS
Change font size
User Control Panel
View your posts
FAQ
Login
Spire.XLS is a professional Excel API that enables developers to create, manage, manipulate, convert and print Excel worksheets. Get free and professional technical support for Spire.XLS for .NET, Java, Android, C++, Python.
Return to Forum
Post a new topic
Topics
Replies
Views
Last post
TIME
Spire.Office New Release or Hotfix
0
411512
amy.zhao
Apr 30,2014
E-ICEBLUE License FAQ
0
405543
iceblue suppo...
Aug 11,2011
E-ICEBLUE Sales FAQ
0
347422
iceblue suppo...
Aug 11,2011
Spire.Xls New Release or Hotfix
0
53093
amy.zhao
Jan 20,2014
Spire.XLS for .NET FAQ
0
38887
iceblue suppo...
Aug 03,2011
Cell activation / deactivation
4
978
DaMiller
Oct 08,2024
Rendering issues with older Office version
11
312
William.Zhang
Oct 08,2024
dot net 8 is not support spire.office v9.9.0 for add lisence
1
15
William.Zhang
Oct 04,2024
Illegal Access Error when instantiating Workbook : Spire.XLS
1
20
Amin.Gan
Sep 27,2024
font not installed on the system
3
37
Amin.Gan
Sep 27,2024
Evaluation warning extra sheet
5
34
Amin.Gan
Sep 26,2024
Spire.XLS for .NET Fails to Calculate XLOOKUP Function
1
16
Amin.Gan
Sep 24,2024
Conversion of Excel Sheet to PDF Failing with Macro
4
20
Amin.Gan
Sep 24,2024
got wrong Formula result of INDEX of 2Dimensioin nameRange
3
18
novajiang
Sep 20,2024
xlsx to img fonts problem
5
38
Nina.Tang
Sep 19,2024
Worksheets containing Charts only are not exported
8
1484
William.Zhang
Sep 12,2024
spr矉: Could not read block - no data!
3
45
Amin.Gan
Sep 11,2024
Prevent XML External Entity attacks when loading XLSX file
7
44
Doris.Liu
Sep 06,2024
Weird spacing with special characters
4
44
Amin.Gan
Sep 06,2024
Show empty cells as gaps in graphs
5
39
Amin.Gan
Sep 06,2024
How to use FindString function
1
14
Amin.Gan
Aug 29,2024
Error while debugging
1
12
Amin.Gan
Aug 20,2024
Export Xls to Pdf with checkboxes
10
5915
Doris.Liu
Aug 16,2024
Is Spire.XLS.free compatible with Java 21
1
84
Doris.Liu
Aug 05,2024
Excel to PDF Conversion Expands Width on Linux Environment
3
132
Amin.Gan
Aug 02,2024
Insert image without changing proportions
3
139
Amin.Gan
Aug 01,2024
Text Rendering issue
10
3585
Doris.Liu
Jul 30,2024
Empty space on the right side of a merged cells region
5
306
William.Zhang
Jul 25,2024
Number format error using spire.xls for java (free)
3
171
William.Zhang
Jul 25,2024
how to set selected index for dropdown already present in ex
3
399
William.Zhang
Jul 22,2024
Is there a free version of the spire.xls for python?
1
264
Amin.Gan
Jul 18,2024
getting error "Cannot found font installed on the system."
17
10095
Abel.He
Jul 16,2024
Conversion problem for only 2 cells (value don't printed)
3
2424
William.Zhang
Jul 15,2024
String index out of range error
14
2349
Doris.Liu
Jul 11,2024
Words get split during text wrapping
3
1607
Abel.He
Jul 02,2024
How to i add filter to Pivot table in python ?
1
3463
William.Zhang
Jun 28,2024
Null Exception in Alpine
6
1596
William.Zhang
Jun 27,2024
How can I display a watermark on only the first header?
1
6792
William.Zhang
Jun 26,2024
Cell not calculating
5
3113
Doris.Liu
Jun 14,2024
SaveToStream cutting rows at 65536 lines
3
1637
William.Zhang
Jun 12,2024
Not getting proper debugging attribute culture for Spire.XLS
1
9008
William.Zhang
Jun 11,2024
Formatting Text In Spreadsheet
1
3298
William.Zhang
Jun 07,2024
How-To Read Value from PivotTable ?
4
29551
Doris.Liu
Jun 03,2024
Set Font and Font Size in existing TextBox
5
2016
Doris.Liu
Jun 03,2024
Evaluation Warning after updating to .net 8
1
10966
Doris.Liu
May 30,2024
How to remove Spire Watermark above the PDF file?
6
8753
Doris.Liu
May 28,2024
cell.offset() -- How we can achive this using Spire xls
1
2675
Doris.Liu
May 27,2024
Excel range to image error
2
6867
William.Zhang
May 24,2024
Convert active selected range to screenshot
6
6315
Abel.He
May 23,2024
Textbox insertion onto ChartSheet not working
4
6625
Abel.He
May 23,2024
Formula not recalculating problem
10
11020
Doris.Liu
May 22,2024
Installation has messed up existing applications
2
26916
Doris.Liu
May 16,2024
Exception "The type initializer for 'Spire.Xls.Core.Spreadsh
16
8824
Doris.Liu
May 16,2024
Display topics from previous:
All Topics
1 day
7 days
2 weeks
1 month
3 months
6 months
1 year
Sort by
Author
Post time
Replies
Subject
Views
Ascending
Descending
1
,
2
,
3
,
4
,
5
...
35
Return to Forum
Jump to:
Select a forum
------------------
Libraries
Spire.PDF
Spire.XLS
Spire.Doc
Spire.Presentation
Spire.BarCode
Spire.Email
Spire.DocViewer
Spire.PDFViewer
Spire.Spreadsheet
Spire.OfficeViewer
Spire.DataExport
Spire.OCR
New Feature Requests
Complaints & Suggestions
中文技术支持