urdu save in Mysql & Retrieve in application

if you want to save urdu language in MySql databse the you need to be keep datatype is

BLOB

Is your BLOB stored as utf8 byte values? or other character set?
CAST(a.ar_options AS CHAR(10000) CHARACTER SET utf8)

below conversation use for string to byte[]  Error for:

System.Text.Encoding.UTF8.GetBytes(” “)

emp.Name =System.Text.Encoding.UTF8.GetBytes(txtFullName.Text);
emp.FatherName = System.Text.Encoding.UTF8.GetBytes(txtfathername.Text);
emp.MotherName =System.Text.Encoding.UTF8.GetBytes( txtMotherName.Text);
emp.Adob = Convert.ToDateTime(txtdobactual.Text);
emp.NAdob = Convert.ToDateTime(txtdobtemprary.Text);