private void dgvChallanList_CellContentClick(object sender, DataGridViewCellEventArgs e)
{
if (dgvChallanList.Columns[e.ColumnIndex].Name == "Action" && e.RowIndex != -1)
{
string challanID = dgvChallanList.CurrentRow.Cells["challanId"].Value.ToString();
string orderid = dgvChallanList.CurrentRow.Cells["Orderid"].Value.ToString();
PurchaseBillEntry objBillEntry = new PurchaseBillEntry(PurchaseBillEntry._CameFrom.Challan, challanID, orderid);
objBillEntry.OnClose += GenerateChallanList;
objBillEntry.Show(this);
}
}