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AnswerRe: Data type mismatch in criteria expression." in c# Pin
Gerry Schmitz16-Nov-17 6:35
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AnswerRe: Data type mismatch in criteria expression." in c# Pin
Eddy Vluggen16-Nov-17 7:07
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sai.201216-Nov-17 9:56
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GeneralRe: Data type mismatch in criteria expression." in c# Pin
Eddy Vluggen16-Nov-17 10:33
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QuestionLicensing a .NET DLL Pin
P.Gnanaraj16-Nov-17 2:17
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Richard MacCutchan16-Nov-17 3:20
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QuestionAsync method/task issue Pin
primem0ver15-Nov-17 7:21
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AnswerRe: Async method/task issue Pin
Sascha Lefèvre15-Nov-17 8:33
professionalSascha Lefèvre15-Nov-17 8:33 
A TargetInvocationException[^] always has an InnerException which will give you a better hint at what went wrong - take a look at that in the exception explorer (or however that's called) which you can open from the exception dialog that Visual Studio shows you when it occurs.

If I had to guess I'd say it's probably an invalid cross thread operation on your controls: Controls can only be accessed by the UI thread. See How to: Make Thread-Safe Calls to Windows Forms Controls | Microsoft Docs[^]

On a different note: Usually, when developing applications with a UI, the goal is to separate UI logic from business logic in order to end up with an easily maintainable architecture. That's the point of those patterns like MVC, MVP, MVVM. Your approach looks like the exact opposite (placing the tasks into your custom control classes).
If the brain were so simple we could understand it, we would be so simple we couldn't. — Lyall Watson

GeneralRe: Async method/task issue Pin
primem0ver15-Nov-17 9:52
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GeneralRe: Async method/task issue Pin
Sascha Lefèvre15-Nov-17 10:19
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AnswerRe: Async method/task issue Pin
Gerry Schmitz16-Nov-17 4:24
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GeneralRe: Async method/task issue Pin
primem0ver16-Nov-17 10:57
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GeneralRe: Async method/task issue Pin
Gerry Schmitz16-Nov-17 11:13
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GeneralRe: Async method/task issue Pin
primem0ver28-Nov-17 13:41
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GeneralRe: Async method/task issue Pin
Gerry Schmitz29-Nov-17 4:29
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GeneralRe: Async method/task issue Pin
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GeneralRe: Async method/task issue Pin
Gerry Schmitz2-Dec-17 13:46
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GeneralRe: Async method/task issue Pin
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GeneralRe: Async method/task issue Pin
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GeneralRe: Async method/task issue Pin
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GeneralRe: Async method/task issue Pin
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GeneralRe: Async method/task issue Pin
Gerry Schmitz3-Dec-17 4:41
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GeneralRe: Async method/task issue Pin
primem0ver4-Dec-17 2:12
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GeneralRe: Async method/task issue Pin
Gerry Schmitz4-Dec-17 6:50
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GeneralRe: Async method/task issue Pin
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