Why I Cannot Find The .Aspx.Cs File With .Aspx

[qasim123]

friends i am using visual studio to develop web applications when i import my html website into my asp.net visual studio solution and convert the extension from .html to .aspx now there is no file of (default.aspx.c s) with default.aspx i need for (defaul.aspx.cs ) file to write code for database etc
please help me thanks in advance !

[dotnetqueries]

Changing the extension will not work for you,
just right click on the project --> add --> new item --> select web forms --> give name and click ok
Now, you have default page in that copy your html code.