private void btnsearch_Click(object sender, EventArgs e)
{
BugHistory bh = new BugHistory();
bh.MdiParent = this;
bh.Show();
}
private void linkLabelBugHistory_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
{
BugHistory bh = new BugHistory();
bh.MdiParent = this;
bh.Show();
}