You can’t define static members on an interface in C#. An interface is a contract for instances. I would recommend creating the interface as you are currently, but without the static keyword. Then create a class StaticIInterface that implements the interface and calls the static C++ methods. To do unit testing, create another class FakeIInterface, that also implements the … Read more
Take a look at this: Entity Framework don’t create database I would try giving the database a different name. Sometimes you can run into problems with SQL Express when trying to create a database with the same name a second time. There is a way to fix this using SQL Server Management Studio but it’s … Read more
You can always try some standard Visual Studio troubleshooting steps: Clean the solution Delete / rename all files in your solution created by VS, i.e. all .ncb, .suo, .user files Launch Visual Studio with all add-ins disabled: devenv.exe /SafeMode Reset All Settings: Tools -> Import / Export Settings -> Reset All Settings Delete HKCU:\Software\Micosoft\VisualStudio\9.0 and then restart Visual Studio … Read more
Right click in the service in Window Services and go to Properties. Then go to Log On tab and select Local System account. Click on Ok button and start the service.
Yes an Untrusted certificate can cause this. Look at the certificate path for the webservice by opening the websservice in a browser and use the browser tools to look at the certificate path. You may need to install one or more intermediate certificates onto the computer calling the webservice. In the browser you may see … Read more
IFNULL, see here: http://www.sqlite.org/lang_corefunc.html#ifnull no brackets around the function
this is all you have to do run shell commands from C# EDIT: This is to hide the cmd window. EDIT: 2 Important is that the argument begins with /C otherwise it won’t work. How Scott Ferguson said: it “Carries out the command specified by the string and then terminates.”
The second parameter in Substring is the length of the substring, not the end index. You should probably include handling to check that it does indeed start with what you expect, end with what you expect, and is at least as long as you expect. And then if it doesn’t match, you can either do something else … Read more
A ListView is basically like a ListBox (and inherits from it), but it also has a View property. This property allows you to specify a predefined way of displaying the items. The only predefined view in the BCL (Base Class Library) is GridView, but you can easily create your own. Another difference is the default selection mode: it’s Single for a ListBox, but Extended for a ListView
Look at the inner exception that you are getting. It will tell you which field/property it is having trouble serializing. You can exclude fields/properties from xml serialization by decorating them with the [XmlIgnore] attribute. XmlSerializer does not use the [Serializable] attribute, so I doubt that is the problem.