private void ansGridView5_KeyPress(object sender, KeyPressEventArgs e)
        {
            if (char.IsLetter(e.KeyChar) || char.IsNumber(e.KeyChar) || e.KeyChar == ' ' || Convert.ToInt32(e.KeyChar) == 13)
            {
            }
            else
            {
                return;
            }


            if (ansGridView5.CurrentCell.OwningColumn.Name == "pack" || ansGridView5.CurrentCell.OwningColumn.Name == "itemname")
            {
                String ActiveCell = "";
                if (ansGridView5.CurrentCell.OwningColumn.Name == "pack")
                {
                    ActiveCell = "Packing";
                }
                else if (ansGridView5.CurrentCell.OwningColumn.Name == "itemname")
                {
                    ActiveCell = "Desc";
                }
                DataTable dtDesc = new DataTable();
                if (Master.DescriptionInfo.Select("Description<>''", "Description, PACKING").Length == 0)
                {
                    return;
                }
                else
                {
                    dtDesc = Master.DescriptionInfo.Select("Description<>'' and Status='Enable'", "Description, PACKING").CopyToDataTable();
                }

                DataTable dtPack = new DataTable();;
                if (ActiveCell == "Packing" && ansGridView5.CurrentCell.OwningRow.Cells["itemname"].Value != null && ansGridView5.CurrentCell.OwningRow.Cells["itemname"].Value.ToString() != "")
                {
                    dtDesc = dtDesc.Select("description='" + ansGridView5.CurrentCell.OwningRow.Cells["itemname"].Value.ToString() + "'").CopyToDataTable();
                }
                else if (ActiveCell == "Desc" && ansGridView5.CurrentCell.OwningRow.Cells["pack"].Value != null && ansGridView5.CurrentCell.OwningRow.Cells["pack"].Value.ToString() != "")
                {
                    dtDesc = dtDesc.Select("Packing='" + ansGridView5.CurrentCell.OwningRow.Cells["pack"].Value.ToString() + "'").CopyToDataTable();
                }
                if (ActiveCell == "Packing")
                {
                    dtPack = dtDesc.DefaultView.ToTable(true, "Packing");
                }
                else
                {
                    dtPack = dtDesc.DefaultView.ToTable(true, "description");
                }

                DataRow[] SKU       = dtDesc.DefaultView.ToTable(true, "Skucode").Select("Skucode<>''");
                DataRow[] ShortCode = dtDesc.DefaultView.ToTable(true, "ShortCode").Select("ShortCode<>''");
                DataTable dtPS;
                DataTable dtPSS;
                if (SKU.Length > 0)
                {
                    DataTable dtSKU = SKU.CopyToDataTable();
                    dtPS = dtPack.AsEnumerable()
                           .Union(dtSKU.AsEnumerable()).CopyToDataTable();
                }
                else
                {
                    dtPS = dtPack.Copy();
                }
                if (ShortCode.Length > 0)
                {
                    DataTable dtShortCode = ShortCode.CopyToDataTable();
                    dtPSS = dtPS.AsEnumerable()
                            .Union(dtShortCode.AsEnumerable()).CopyToDataTable();
                }
                else
                {
                    dtPSS = dtPS.Copy();
                }
                String packing = "", Desc = "";
                if (ActiveCell == "Packing")
                {
                    packing = SelectCombo.CallHelp(this, dtPSS, e.KeyChar.ToString(), 0);
                    if (packing == "")
                    {
                        return;
                    }
                    dtDesc = dtDesc.Select("Packing='" + packing + "' or Skucode='" + packing + "' or ShortCode='" + packing + "'").CopyToDataTable();
                }
                else
                {
                    Desc = SelectCombo.CallHelp(this, dtPSS, e.KeyChar.ToString(), 0);
                    if (Desc == "")
                    {
                        return;
                    }
                    dtDesc = dtDesc.Select("description='" + Desc + "' or Skucode='" + Desc + "' or ShortCode='" + Desc + "'").CopyToDataTable();
                }



                if (dtDesc.Rows.Count == 1)
                {
                    if (ansGridView5.CurrentCell.OwningRow.Cells["itemname"].Value == null || ansGridView5.CurrentCell.OwningRow.Cells["itemname"].Value.ToString() == "")
                    {
                        ansGridView5.CurrentCell.OwningRow.Cells["itemname"].Value = dtDesc.Rows[0]["description"];
                    }
                    ansGridView5.CurrentCell.OwningRow.Cells["Pack"].Value     = dtDesc.Rows[0]["Packing"];
                    ansGridView5.CurrentCell.OwningRow.Cells["Quantity"].Value = 0;

                    this.Activate();
                }
                else if (dtDesc.Rows.Count > 1)
                {
                    if (ActiveCell == "Packing")
                    {
                        ansGridView5.CurrentCell.OwningRow.Cells["pack"].Value = dtDesc.Rows[0]["Packing"];

                        ansGridView5.CurrentCell.OwningRow.Cells["itemname"].Value = "";
                    }
                    else
                    {
                        ansGridView5.CurrentCell.OwningRow.Cells["itemname"].Value = dtDesc.Rows[0]["description"];

                        ansGridView5.CurrentCell.OwningRow.Cells["pack"].Value = "";
                    }


                    ansGridView5.CurrentCell.OwningRow.Cells["Quantity"].Value = 0;



                    this.Activate();
                    if (ActiveCell == "Packing")
                    {
                        ansGridView5.CurrentCell = ansGridView5["itemname", ansGridView5.CurrentCell.RowIndex];
                    }
                    else
                    {
                        ansGridView5.CurrentCell = ansGridView5["pack", ansGridView5.CurrentCell.RowIndex];
                    }
                }
            }
        }