如何以替代方式在C#中使用Excel Interop

A PHP Error was encountered

Severity: Notice

Message: Undefined index: IronXl.Excel

Filename: helpers/counter_helper.php

Line Number: 85

Backtrace:

File: /var/www/ironpdf.com/application/helpers/counter_helper.php
Line: 85
Function: _error_handler

File: /var/www/ironpdf.com/application/views/main/sections/ready_to_started_202509.php
Line: 12
Function: getTotalDonwloadNumber

File: /var/www/ironpdf.com/application/libraries/Render.php
Line: 489
Function: view

File: /var/www/ironpdf.com/application/controllers/Products/Blog.php
Line: 77
Function: render_products_view

File: /var/www/ironpdf.com/index.php
Line: 292
Function: require_once

A PHP Error was encountered

Severity: Notice

Message: Undefined index: IronXl.Excel

Filename: helpers/counter_helper.php

Line Number: 85

Backtrace:

File: /var/www/ironpdf.com/application/helpers/counter_helper.php
Line: 85
Function: _error_handler

File: /var/www/ironpdf.com/application/views/main/sections/ready_to_started_202509.php
Line: 19
Function: getTotalDonwloadNumber

File: /var/www/ironpdf.com/application/libraries/Render.php
Line: 489
Function: view

File: /var/www/ironpdf.com/application/controllers/Products/Blog.php
Line: 77
Function: render_products_view

File: /var/www/ironpdf.com/index.php
Line: 292
Function: require_once

A PHP Error was encountered

Severity: Notice

Message: Undefined index: IronXl.Excel

Filename: helpers/counter_helper.php

Line Number: 85

Backtrace:

File: /var/www/ironpdf.com/application/helpers/counter_helper.php
Line: 85
Function: _error_handler

File: /var/www/ironpdf.com/application/views/main/sections/still_scrolling_202512.php
Line: 17
Function: getTotalDonwloadNumber

File: /var/www/ironpdf.com/application/views/products/blog/main_video_post.php
Line: 86
Function: view

File: /var/www/ironpdf.com/application/views/products/blog/blog_post.php
Line: 22
Function: include

File: /var/www/ironpdf.com/application/views/products/blog/index.php
Line: 83
Function: include

File: /var/www/ironpdf.com/application/libraries/Render.php
Line: 88
Function: view

File: /var/www/ironpdf.com/application/libraries/Render.php
Line: 552
Function: view

File: /var/www/ironpdf.com/application/controllers/Products/Blog.php
Line: 77
Function: render_products_view

File: /var/www/ironpdf.com/index.php
Line: 292
Function: require_once

A PHP Error was encountered

Severity: Notice

Message: Undefined index: IronXl.Excel

Filename: helpers/counter_helper.php

Line Number: 85

Backtrace:

File: /var/www/ironpdf.com/application/helpers/counter_helper.php
Line: 85
Function: _error_handler

File: /var/www/ironpdf.com/application/views/main/sections/still_scrolling_202512.php
Line: 24
Function: getTotalDonwloadNumber

File: /var/www/ironpdf.com/application/views/products/blog/main_video_post.php
Line: 86
Function: view

File: /var/www/ironpdf.com/application/views/products/blog/blog_post.php
Line: 22
Function: include

File: /var/www/ironpdf.com/application/views/products/blog/index.php
Line: 83
Function: include

File: /var/www/ironpdf.com/application/libraries/Render.php
Line: 88
Function: view

File: /var/www/ironpdf.com/application/libraries/Render.php
Line: 552
Function: view

File: /var/www/ironpdf.com/application/controllers/Products/Blog.php
Line: 77
Function: render_products_view

File: /var/www/ironpdf.com/index.php
Line: 292
Function: require_once