Visual Studio 2015 is very slow on Windows 10
When I have upgraded Windows 7 my computer to Windows 10 I have also installed Visual Studio 2015 professional. From the first moment Visual Studio 2015 was very slow. My computer was freezing all the time. I have read many articles about the slowness of…
NUnit in Visual Studio 2015
To use NUnit in Visual Studio 2015 Create a unit test project and download NUnit from NuGet Start Visual Studio 2015 and open or create a solution In your solution create a new class library for your unit tests Right click the unit test project and…
Value was either too large or too small for a UInt32 error message when checking files into TFS
When you try to check-in or shelve files in Microsoft Team Foundation Server (TFS) sometimes the following error message appears: Value was either too large or too small for a UInt32. Cause: There is an unsaved file in the IDE. Solution: Click Save All…
Windows web service authentication in IIS Express
When you develop a SOAP web service in Visual Studio 2013 the IDE uses IIS Express for testing. To set up Windows authentication in IIS Express follow the steps below: Create a Local Security Group on your computer Right click Computer and select Manage…
How to add tooltip to a Windows Form
In Windows Form applications the tooltip functionality is not built into the controls as in HTML objects. To add tooltip to your controls on Windows Forms Open the Windows Form in the designer Drag the ToolTip control from the Common Controls section of…
How to add a DataGridView to a Windows Form
To display data in a DataGridView on a Windows Form Add a new form to the Win Form Application project Drag a BindingSource from the Toolbox to the form The bindingSource object appears below the form Rename the Binding Source Select the…
How to test SOAP web services from outside of the server with a web browser
SOAP web services that accept primitive type arguments (string, int, etc.) can be tested from a web browser. For security reasons this feature is disabled if the web browser runs on another machine. To enable testing the SOAP web services in the test…
DbArithmeticExpression arguments must have a numeric common type
The Microsoft Visual Studio 2013 Entity Framework database query does not support the subtraction of two dates to calculate TimeSpan. For example the following statement will throw a runtime error: site.VisitFrequencySec < ((TimeSpan)(dtNow -…
The underlying provider failed on Open
When you get the following error message in Microsoft Visual Studio 2013 check the inner exception. System.Data.Entity.Core.EntityException was unhandled HResult=-2146233087 Message=The underlying provider failed on Open. Source=EntityFramework The…
The Entity Framework provider … could not be loaded
When you create a new Microsoft Visual Studio 2013 project that uses the Entity Framework you may get the following error message: The Entity Framework provider type ‘System.Data.Entity.SqlServer.SqlProviderServices,…