.net Archives - Page 13 of 15

What’s the difference between StaticResource and DynamicResource in WPF?

When using resources such as brushes, templates and styles in WPF, they can be specified either as StaticResources <Rectangle Fill="{StaticResource MyBrush}" /> or ...

May 3, 2022
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“An attempt was made to load a program with an incorrect format” even when the platforms are the same

I’m calling functions from a 32-bit unmanaged DLL on a 64-bit system. What I get is: BadImageFormatException: An attempt was made to load ...

May 3, 2022
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How do I fix the Visual Studio compile error, “mismatch between processor architecture”?

I’m new to project configuration in Visual Studio 2010, but I’ve done some research and still can’t quite figure this issue out. I ...

May 3, 2022
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How can I check if a string is null or empty in PowerShell?

Is there a built-in IsNullOrEmpty-like function in order to check if a string is null or empty, in PowerShell? I could not find ...

May 3, 2022
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How do I run Visual Studio as an administrator by default?

I recently discovered that even while logged into my personal laptop as an administrator, Visual Studio does not run in administrator mode and ...

May 2, 2022
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‘Microsoft.ACE.OLEDB.12.0’ provider is not registered on the local machine

I’m trying to get data from an Excel file on a button click event. My connection string is: string connString = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=C:\\source\\SiteCore65\\Individual-Data.xls;Extended ...

May 2, 2022
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What does the Visual Studio “Any CPU” target mean?

I have some confusion related to the .NET platform build options in Visual Studio 2008. What is the “Any CPU” compilation target, and ...

May 1, 2022
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LINQ: When to use SingleOrDefault vs. FirstOrDefault() with filtering criteria

Consider the IEnumerable extension methods SingleOrDefault() and FirstOrDefault() MSDN documents that SingleOrDefault: Returns the only element of a sequence, or a default value ...

May 1, 2022
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“The breakpoint will not currently be hit. The source code is different from the original version.” What does this mean?

When debugging in Visual Studio, sometimes I add a breakpoint but it’s hollow and VS says “The breakpoint will not currently be hit. ...

April 30, 2022
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Is it better to call ToList() or ToArray() in LINQ queries?

I often run into the case where I want to eval a query right where I declare it. This is usually because I ...

April 30, 2022
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