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Request aborted: Could not create SSL/TLS secure channel

Hi everyone,First, some background: I'm maintaining a content filter that was built with C# / .NET 4.6.1 / .NET StandardI'm currently running into an issue where .NET fails to open a secure channel to...

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Try ... Catch ... there is NO way to determine the line of code that...

This is something that I've never been able to resolve in any version of Visual Studio (Ultimate 2012 currently).  I'm using VB.NET but the Try ... Catch exception handling does NOT provide any...

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Microsoft Graph API, sending email response: StatusCode: 401 ReasonPhrase:...

I am trying to send an email using the Microsoft Graph API, and getting the following response:StatusCode: 401, ReasonPhrase: 'Unauthorized'... I'm trying to find out if there's something wrong with my...

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CheckSignature on some SAML responses fails.

Hi Team,We have implemented SAML authentication and using .Net framework 4.6.2CheckSignature is failing on some SAML responses, so far we have found one such case. CheckSignature passes for all other...

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Cookie Authentication Not working in .Net Core 2.1 Call to...

Starting to Porting our project from .Net 4.6 to .Net Core 2.1.  I got cookie Authentication working at some point. I've upgraded my libraries and changed some configuration and now only the users that...

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excessive use comctl32.dll with .net framework 4.x under win10

With processmonitor we traced a winforms application using comctl32.dll. Under Win7 with Framework 4.x the application starts fast an there is a normal using of comctl32.dll. Unter win10 with framework...

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Multipoint mouse SDK

Hello,I am looking for the multipoint mouse SDK for download or something similar if it no longer exists (I tried various search engines and the search result directly associated with msdn - but no...

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The 'http://www.w3.org/XML/1998/namespace:lang' attribute is not declared...

I am facing a problem to read HTML string in XmlReader with some reader settings.Project details : .Net Standard 2.0 target project Issue details:Below exception message thrown when creating XmlReader...

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do i need admin rights to run exe file(which is generated from vbs)

Hi,i have .vbs file and i am converting it into .exe file(using 3rd party tool).the question is: once exe file generated, do i need admin rights to run exe file or not?i need to run exe file on...

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How can I find where ConfigurationManager is getting its values from?

Hi all; I have the following call:var coll =(NameValueCollection)ConfigurationManager.GetSection("WindwardReports"); When I look at coll in the debugger, it lists 3 keys. Two of those keys do not...

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Error on .Net V4.0 - the c++ module failed to load during appdomain...

HI AllI run software that is dependent on .Net 4.0 and every so often the application which is web based fails to connect to the SQL DB on the server and throws a COM exception with the following...

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How to write Excel File in C#

I want to write excel file from the datatable

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How to call a class method from another class using delegates

How to call a class method from another class using delegates

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Directory.CreateDirectory Throws IOException "file or directory with the same...

Hi all,I'm seeing strange behavior in an application with a certain filesystem.  If across multiple threads (generally 5 or more) in the app, I try to create an identical directory structure between...

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Reference to type 'CompressionLevel' claims it is defined in 'System', but it...

trying to build a project application in vs 2017 community version. the application worked fine with vs 2012 proSystem.IO.Compression.ZipFile.CreateFromDirectory(dbFolder, defltBkpTarget,...

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Getting error while using GetUserContextEx via Web Application

Hi,We have a web application developed in .NET Framework 2.0 which fetches details of AD objects from the DC using the secure32.dll. However, when the web application is deployed on a member server,...

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Enumerating instances of the Binding class

For educational purposes I want to enumerate all instances of the WPF Binding class.This might be a WPF question but instead of moving this to the WPF forum, if someone can confirm that I am using...

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Get line number at unhandled exception during runtime (no debugger)

Hello!I like to find a way to get the line numbers when I trap my UnhandledExceptions (that I set up in the ApplicationEvents.vb file).During debugging mode (under the IDE.e) I can get this from the...

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Tips on Posting Good Questions

Here are a few suggestions that make it sure you get the best answer to your question as quickly as possible:Search for your question on the forums or in Visual Studio's help system first -- it's...

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Autocomplete Match on Contains, not StartsWith

I have a ToolStripTextBox, using it for a filter for a SQL Query.If I have the list:Apple, Orange, PineappleThe suggest and append features will pick out "Apple" when I filter for "App".I want to alter...

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