private void vendorOrderHistoryToolStripMenuItem_Click(object sender, EventArgs e)
{
frmPurchaseReport pr = new frmPurchaseReport();
pr.MdiParent = this;
pr.Show();
}
private void itemWiseSalesReportToolStripMenuItem_Click(object sender, EventArgs e)
{
frmPurchaseReport purchaseReport = new frmPurchaseReport();
purchaseReport.Show();
}