private void mnuErga_List_Click(object sender, EventArgs e)
{
frmErga_List x = new frmErga_List();
x.MdiParent = this;
x.Show();
}
private void frmMain_Load(object sender, EventArgs e)
{
frmErga_List x = new frmErga_List();
x.MdiParent = this;
x.Show();
}