16,015,756 members
Sign in
Sign in
Email
Password
Forgot your password?
Sign in with
home
articles
Browse Topics
>
Latest Articles
Top Articles
Posting/Update Guidelines
Article Help Forum
Submit an article or tip
Import GitHub Project
Import your Blog
quick answers
Q&A
Ask a Question
View Unanswered Questions
View All Questions
View C# questions
View C++ questions
View Javascript questions
View Visual Basic questions
View .NET questions
discussions
forums
CodeProject.AI Server
All Message Boards...
Application Lifecycle
>
Running a Business
Sales / Marketing
Collaboration / Beta Testing
Work Issues
Design and Architecture
Artificial Intelligence
ASP.NET
JavaScript
Internet of Things
C / C++ / MFC
>
ATL / WTL / STL
Managed C++/CLI
C#
Free Tools
Objective-C and Swift
Database
Hardware & Devices
>
System Admin
Hosting and Servers
Java
Linux Programming
Python
.NET (Core and Framework)
Android
iOS
Mobile
WPF
Visual Basic
Web Development
Site Bugs / Suggestions
Spam and Abuse Watch
features
features
Competitions
News
The Insider Newsletter
The Daily Build Newsletter
Newsletter archive
Surveys
CodeProject Stuff
community
lounge
Who's Who
Most Valuable Professionals
The Lounge
The CodeProject Blog
Where I Am: Member Photos
The Insider News
The Weird & The Wonderful
help
?
What is 'CodeProject'?
General FAQ
Ask a Question
Bugs and Suggestions
Article Help Forum
About Us
Search within:
Articles
Quick Answers
Messages
Comments by Member 14376506 (Top 6 by date)
Member 14376506
3-Jun-19 5:52am
View
can you send me any link about multiple data tables export in excel sheets
Member 14376506
3-Jun-19 5:52am
View
Deleted
can you send me any link about multiple data tables export in excel sheets
Member 14376506
30-May-19 7:42am
View
How to replace it veriables...can you give an example please
Member 14376506
29-May-19 5:04am
View
But i want to split it first(Three columns) and after that merged in one big cell named(2019) but how to split
Member 14376506
28-May-19 16:57pm
View
I dont know about regular expression, actually i want to do it under loops
Member 14376506
27-May-19 6:32am
View
I'll installed (EPPlus) this library and using below code:
using (var excel = new ExcelPackage(new System.IO.FileInfo(@"physical_address_of_your_xslx_file")))
{
var sheet1 = excel.Workbook.Worksheets["Sheet1"];
sheet1.Cells["C2:C7"].Merge = true;
sheet1.Cells["C2:C7"].Style.VerticalAlignment = OfficeOpenXml.Style.ExcelVerticalAlignment.Bottom;
sheet1.Cells["C2"].Value = "The value";
excel.Save();
}
But Its showing exceptional error: An unhandled exception of type 'System.NullReferenceException' occurred in ExportExcel.exe Additional information: Object reference not set to an instance of an object.
Show More