private void btAddCourse_Click(object sender, EventArgs e)
{
gbAddCourse.Visible = true;
gbAddStudent.Visible = false;
gbMakeSchedule.Visible = false;
gbAddTeacher.Visible = false;
gbAddCourse.Location = new Point(391, 222);
gbAddCourse.Size = new System.Drawing.Size(467, 181);
tbCourseName.Text = "";
cbdivision.Items.Clear();
DataTable dt = c.ComboCourseName();
dataGridView1.DataSource = dt;
if (dataGridView1.Rows.Count > 0)
{
for (int index = 0; index < dataGridView1.Rows.Count - 1; index++)
{
//cbIntructorName.Items.Add(dataGridView1.Rows[index].Cells[0].Value);
}
}
}
