private void btnSrh_Click(object sender, EventArgs e)
{
Regex numeric = new Regex("^[0-9]*$");
if (txtSaleID.Text.Equals(""))
{
MessageBox.Show("Sale ID was left blank");
txtSaleID.Focus();
return;
}
else if (!numeric.IsMatch(txtSaleID.Text))
{
MessageBox.Show("Sale ID must use numeric characters");
txtSaleID.Clear();
txtSaleID.Focus();
return;
}
else
{
DataSet ds = new DataSet();
grdCart.DataSource = Saleitem.getMatchingSaleItem(ds, Convert.ToInt32(txtSaleID.Text)).Tables["ss"];
grdCart.AllowUserToAddRows = false;
if (grdCart.RowCount == 0)
{
grpStock.Visible = false;
MessageBox.Show(Convert.ToString(txtSaleID.Text) + " : This Sale id did not take place on this system");
txtSaleID.Text = "";
}
else
{
int sum = 0;
for (int i = 0; i < grdCart.RowCount; i++)
{
sum += Convert.ToInt32(grdCart.Rows[i].Cells[2].Value);
}
if (sum <= 0)
{
grpStock.Visible = false;
MessageBox.Show(Convert.ToString(txtSaleID.Text) + " : This Sale id already has all items returned");
txtSaleID.Text = "";
}
else
{
grpStock.Visible = true;
txtSaleID.ReadOnly = true;
}
}
}
}
