private void btn_find_Click(object sender, EventArgs e)
{
try
{
//create a dictionary that will contain the location of the student searched for
Layout studentDetails = RobotController.FindStudent(root, tb_search.Text);
dgv_class.CurrentCell = dgv_class.Rows[studentDetails.Vertical].Cells[studentDetails.Horizontal];
}
catch (NullReferenceException)
{
if (string.IsNullOrWhiteSpace(tb_search.Text))
{
MessageBox.Show("Please enter a student name.", "Warning",
MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
else
{
//name has to match and if not show message
MessageBox.Show("There is no student with that name, please try again.", "Warning",
MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
}
}
