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sorry from datatable not from datagrid
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I need to generate a excel sheet from datatable in c# using arrays to load each column in excel from array. Regular way going from one row and place data to excel kind of slow so I need to do it from array to excel. your answers is not quit correct. I need a specific answer.
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I need to generate a excel sheet from datatable in c# using arrays to load each column in excel from array. Regular way going from one row and place data to excel kind of slow so I need to do it from array to excel. your answers is not quit correct. I need a specific answer.

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Also it should be in web forms.
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How can I populate an excel file from datatable to excel file
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How can I populate an excel file from datatable to excel file

Populate an excel file from datagrid winforms

Most development for the Microsoft platform is done utilizing the technologies supported by the.NET framework. Other development is done using Visual Basic for Applications (VBA) for programs like Access, Excel, Word and Outlook, with PowerShell for scripting, or with SQL for large databases.