private void button1_Click(object sender, EventArgs e)
{
CourseGateway serverGateway = new CourseGateway();
serverGateway.UpdateCourseQuery(textBox1.Text, textBox2.Text, textBox3.Text, textBox4.Text);
Close();
}
private void button1_Click(object sender, EventArgs e)
{
CourseGateway serverGateway = new CourseGateway();
DataTable dataTable = serverGateway.FindCoursesByStudents(textBox1.Text);
dataGridView1.DataSource = dataTable;
}
