private void btnupdate_Click(object sender, EventArgs e)
{
addstudent = new addstudent(new List <object>()
{
});
mdi.main(encapulation.Parent1, addstudent);
}
private void btnadd_Click(object sender, EventArgs e)
{
addstudent = new addstudent();
addstudent.Text = "Add";
mdi.main(encapulation.Parent1, addstudent, addstudent.Text);
}
