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How can I download a file with batch file without using any external tools?

The answers.All scripts should be saved with .bat/.cmd extensions and can be used directly as batch scripts. Certutuil (for some reasons in the newest win10 builds this is recognized as trojan thread ):certutil.exe -urlcache -split -f “https://download.sysinternals.com/files/PSTools.zip” pstools.zip for easiness a macro can be used: CertUtil command can be abused to download a file from internet.Available by default in … Read more

.NET String.Format() to add commas in thousands place for a number

How to convert UTF-8 byte[] to string

What is a method group in C#?

A method group is the name for a set of methods (that might be just one) – i.e. in theory the ToString method may have multiple overloads (plus any extension methods): ToString(), ToString(string format), etc – hence ToString by itself is a “method group”. It can usually convert a method group to a (typed) delegate by using overload resolution – but not to … Read more

How to access Session variables and set them in javascript?

Accessing & Assigning the Session Variable using Javascript: Assigning the ASP.NET Session Variable using Javascript: Accessing ASP.NET Session variable using Javascript:

How do I exit a WPF application programmatically?

To exit your application you can call As described in the documentation to the Application.Shutdown method you can also modify the shutdown behavior of your application by specifying a ShutdownMode: Shutdown is implicitly called by Windows Presentation Foundation (WPF) in the following situations: When ShutdownMode is set to OnLastWindowClose. When the ShutdownMode is set to OnMainWindowClose. When a … Read more

c# Show Windows Form

This creates a new instance of type Form: Which, of course, is a blank form. It would appear that your type is called frmLogin. Normally this sounds like a variable name and not a class name, but the error you’re getting here tells me that it’s a class: Given that, then the quickest way to … Read more

How to delete a file after checking whether it exists

How can I delete a file in C# e.g. C:\test.txt, although apply the same kind of method like in batch files e.g.

How to open an Excel file in C#?

You need to have installed Microsoft Visual Studio Tools for Office (VSTO). VSTO can be selected in the Visual Studio installer under Workloads > Web & Cloud > Office/SharePoint Development. After that create a generic .NET project and add a reference to Microsoft.Office.Interop.Excel via ‘Add Reference… > Assemblies’ dialog. Missing.Value is a special reflection struct … Read more

Catch multiple exceptions at once?

Catch System.Exception and switch on the types

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