I had a VB projected and converted it to C# using online conversion tools. Now the problem is xaml and xaml.cs file do not connect to each other, t
If you cannot get the IDE to do it (Papa John's post), then you can do it by editing the project file.
That information is in the .csproj file (which is an XML file -- you can open it in a text editor, or by right-clicking on it, choosing "unload", and then opening it -- choose reload to load it up as a project again).
Here is the information to look for, you would need to add the "DependentUpon" tag.
TheFile.xaml