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AnswerRe: Changing the properties of multiple labels in some kind of loop? Pin
Luc Pattyn16-Nov-20 5:30
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Ron_UK16-Nov-20 5:40
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AnswerRe: Changing the properties of multiple labels in some kind of loop? Pin
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QuestionHow to make a dll library? Pin
Alex Dunlop16-Nov-20 0:22
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AnswerRe: How to make a dll library? Pin
Richard MacCutchan16-Nov-20 0:44
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GeneralRe: How to make a dll library? Pin
Alex Dunlop16-Nov-20 0:47
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GeneralRe: How to make a dll library? Pin
Richard MacCutchan16-Nov-20 0:51
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AnswerRe: How to make a dll library? Pin
OriginalGriff16-Nov-20 0:50
mveOriginalGriff16-Nov-20 0:50 
First, make it as generic as possible: instead of writing it as an Event handler which works with a specific DataGridView and Sheet make it a generic routine that takes several parameters: The data source, the Sheet name, and the file path to write to. You call that generic method from your handler.
Ideally, you shouldn't pass a control like a DGV, but the underlying datasource it uses instead. You can access the properties from that quite easily - this shows you how: Converting a List to a DataTable[^]

You should not be using a dialog in a dll, as there is no guarantee that the calling application will be running under windows - it potentially could be a web app or on a server, where the user can't see a SaveFileDialog, and shouldn't have access to the file system anyway.

Then create a new Project as a ClassLibrary and move your method into it.
Add a reference (and using statement if necessary) to the library to your original project, and you can call it from there.
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GeneralRe: How to make a dll library? Pin
Alex Dunlop16-Nov-20 1:51
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GeneralRe: How to make a dll library? Pin
OriginalGriff16-Nov-20 2:17
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GeneralRe: How to make a dll library? Pin
Alex Dunlop16-Nov-20 2:25
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GeneralRe: How to make a dll library? Pin
OriginalGriff16-Nov-20 2:41
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GeneralRe: How to make a dll library? Pin
Alex Dunlop16-Nov-20 2:48
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GeneralRe: How to make a dll library? Pin
OriginalGriff16-Nov-20 2:50
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GeneralRe: How to make a dll library? Pin
Alex Dunlop16-Nov-20 3:09
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GeneralRe: How to make a dll library? Pin
OriginalGriff16-Nov-20 3:40
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GeneralRe: How to make a dll library? Pin
Alex Dunlop16-Nov-20 4:15
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GeneralRe: How to make a dll library? Pin
OriginalGriff16-Nov-20 4:37
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GeneralRe: How to make a dll library? Pin
OriginalGriff16-Nov-20 5:41
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GeneralRe: How to make a dll library? Pin
OriginalGriff16-Nov-20 2:21
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QuestionC# WPF MenuItem Control not working Pin
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AnswerRe: C# WPF MenuItem Control not working Pin
Mycroft Holmes15-Nov-20 11:03
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QuestionHow to group an array list, within a list of records, Linq GroupBy Pin
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AnswerRe: How to group an array list, within a list of records, Linq GroupBy Pin
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