private void Btn_FindStudent(object sender, RoutedEventArgs e)
{
if (string.IsNullOrEmpty(TextBox1.Text) && string.IsNullOrEmpty(TextBox2.Text))
{
MessageBox.Show("Search fields, Name or RollNo is empty.");
return;
}
var studentBll = new StudentBll();
Student student = studentBll.GetStudentData(TextBox1.Text, TextBox2.Text);
if (student == null)
{
MessageBox.Show("No such student exists.");
return;
}
TextBox1.Text = student.Name;
TextBox2.Text = student.RollNumber;
TextBox3.Text = student.Address;
TextBox4.Text = student.UserName;
TextBox5.Text = student.Password;
rollnumber = student.RollNumber;
}