how to create insert for codeigniter 2.1.0

[eluser]Unknown[/eluser]
i am new here , i want to a insert form in codeigniter 2.1.0 , how to create please help me with all proper method

// code for with file path and how to open in url

1. view
2. controller
3. modal


form attribute

1. name
2. mobile no
3. email

with validation

please in codeigniter 2.1.0 .

ok thanks