File Extensions

.asax
.asmx	Web service class
.aspx	web form
.aspx	Active Server Page
.bmp	bitmap
.csproj	C# project file
.css	Cascading style sheet
.dsw
.etp
.htm	HTML document
.js	Jscript file (or java script)
.resx
.rpt	Crystal report
.sln
.txt	Text file
.vb	windows form, code file, module file, user control, data form, custom form etc ???
.vbs	VBScript
.vbproj	VB.NET project file
.vsdisco	Dynamic discovery project that provides a means to enumerate all web services and all schemas in a web project
.web
.wsf	Windows scripting file
.xml	XML document file
.xsd	XML schema provided to create types data sets
.xslt	XSLT style-sheet file used to transform XML documents and XML schemas