SqlConnection myconn = new SqlConnection();
    myconn.ConnectionString = "server=;database=;uid=sa;pwd=123456";
    myconn.Open();
    string sql = "insert into ApplyFor values('" + Model.ExamName + "','" + Model.ExamineeName + "','" +
    Model.IDNumber + "'," + Model.RegistrationNumber + ",'" + Model.Domicile + "','" + Model.StudentsPlace +
     "','" + Model.CityOfOrigin + "','" + Model.Cause + "','" + Model.FileCardName + "','" + Model.FileCardIdNumber +
     "','" + Model.PhoneNumber + "','" + Model.Note + "')";
     SqlCommand cmd = new SqlCommand(sql, myconn);
     bool change = cmd.ExecuteNonQuery() > 0;
     myconn.Close();
     return change;