I face a problem with my asp.net web-form portal that is Characters displayed as question marks,when the user change the encoding characters in his browser and enter Arabic or Indian text into textboxes and submit the form I see the values as question marks in debugging and saved as question marks in DB.
I did the following but did not fix the problem
1 I saved all file (solution files) as utf-8.
2 added meta http-equiv="Content-Type" content="text/html;charset=UTF-8"/ in master page.
note:my portal connected to dynamics CRM online, CRM accept all languages and all encoding characters.
problem in ASP.net web-form solution Please help me