i am using GridViewExportUtil to save my all excel in server folder path.but i don't understand why i am getting popup during open the excel.i don't want this popup. i need to modify my code so that it will not come?.please tell me what should i do.
below is warning message if file extention is .xls
The file you are trying to open, "Myexcel.xls', is in a different format than specified by the file extension.verify that the file is not corrupted and is from a trusted source before opening the file.do you want to open the file now?.