protected void grdLcoPartyLedger_PageIndexChanging(object sender, GridViewPageEventArgs e)
        {
            grdLcoPartyLedger.PageIndex = e.NewPageIndex;
            Hashtable htAddPlanParams = getLedgerParamsData();

            string username, catid, operator_id;

            if (Session["username"] != null || Session["operator_id"] != null)
            {
                username    = Session["username"].ToString();
                catid       = Convert.ToString(Session["category"]);
                operator_id = Convert.ToString(Session["operator_id"]);
            }
            else
            {
                Session.Abandon();
                Response.Redirect("~/Login.aspx");
                return;
            }

            Cls_Business_RptINVLedger objTran = new Cls_Business_RptINVLedger();
            Hashtable htResponse = objTran.GetTransations(htAddPlanParams, username, catid, operator_id);
            DataTable dt         = null; //check for exception

            if (htResponse["htResponse"] != null)
            {
                dt = (DataTable)htResponse["htResponse"];
            }

            if (dt == null)
            {
                Response.Redirect("~/ErrorPage.aspx");
                return;
            }
            if (dt.Rows.Count == 0)
            {
                btn_genExl.Visible        = false;
                grdLcoPartyLedger.Visible = false;
                lblSearchMsg.Text         = "No data found";
            }
            else
            {
                btn_genExl.Visible           = true;
                grdLcoPartyLedger.Visible    = true;
                lblSearchMsg.Text            = "";
                grdLcoPartyLedger.DataSource = dt;
                grdLcoPartyLedger.DataBind();
            }
        }
        protected void btn_genExl_Click(object sender, EventArgs e)
        {
            Hashtable htAddPlanParams = getLedgerParamsData();
            string    username, catid, operator_id;

            if (Session["username"] != null || Session["operator_id"] != null)
            {
                username    = Session["username"].ToString();
                catid       = Convert.ToString(Session["category"]);
                operator_id = Convert.ToString(Session["operator_id"]);
            }
            else
            {
                Session.Abandon();
                Response.Redirect("~/Login.aspx");
                return;
            }



            Cls_Business_RptINVLedger objTran = new Cls_Business_RptINVLedger();
            Hashtable htResponse = objTran.GetTransations(htAddPlanParams, username, catid, operator_id);

            DataTable dt = null; //check for exception

            if (htResponse["htResponse"] != null)
            {
                dt = (DataTable)htResponse["htResponse"];
                DateTime dd       = DateTime.Now;
                string   datetime = dd.Day + "" + dd.Month + "" + dd.Year + "" + dd.Hour + "" + dd.Minute + "" + dd.Second;

                StreamWriter sw = new StreamWriter(Server.MapPath("../MyExcelFile/") + "PartyLedgerLCO_" + datetime + ".xls");
                try
                {
                    int    j         = 0;
                    String strheader = "SrNo." + Convert.ToChar(9)
                                       + "LCO Name" + Convert.ToChar(9)
                                       + "LCO Code" + Convert.ToChar(9)
                                       + "Opening Balance" + Convert.ToChar(9)
                                       + "Debit" + Convert.ToChar(9)
                                       + "Credit" + Convert.ToChar(9)
                                       + "Closing Balance" + Convert.ToChar(9)
                                       + "Company Name" + Convert.ToChar(9)
                                       + "Distributor" + Convert.ToChar(9)
                                       + "Sub Distributor" + Convert.ToChar(9)
                                       + "State" + Convert.ToChar(9)
                                       + "City" + Convert.ToChar(9);


                    while (j < dt.Rows.Count)
                    {
                        sw.WriteLine(strheader);
                        for (int i = 0; i < dt.Rows.Count; i++)
                        {
                            j = j + 1;
                            string strrow = j.ToString() + Convert.ToChar(9)
                                            + dt.Rows[i]["lconame"].ToString() + Convert.ToChar(9)
                                            + dt.Rows[i]["lcocode"].ToString() + Convert.ToChar(9)
                                            + dt.Rows[i]["openinbal"].ToString() + Convert.ToChar(9)
                                            + dt.Rows[i]["drlimit"].ToString() + Convert.ToChar(9)
                                            + dt.Rows[i]["crlimit"].ToString() + Convert.ToChar(9)
                                            + dt.Rows[i]["closingbal"].ToString() + Convert.ToChar(9)
                                            + dt.Rows[i]["companyname"].ToString() + Convert.ToChar(9)
                                            + dt.Rows[i]["distributor"].ToString() + Convert.ToChar(9)
                                            + dt.Rows[i]["subdistributor"].ToString() + Convert.ToChar(9)
                                            + dt.Rows[i]["statename"].ToString() + Convert.ToChar(9)
                                            + dt.Rows[i]["cityname"].ToString() + Convert.ToChar(9);



                            sw.WriteLine(strrow);
                        }
                    }
                    sw.Flush();
                    sw.Close();
                }
                catch (Exception ex)
                {
                    sw.Flush();
                    sw.Close();
                    Response.Write("Error : " + ex.Message.Trim());
                    return;
                }
                Response.Redirect("../MyExcelFile/" + "PartyLedgerLCO_" + datetime + ".xls");
            }

            if (dt == null)
            {
                Response.Redirect("~/ErrorPage.aspx");
                return;
            }
        }
        protected void btnSubmit_Click(object sender, EventArgs e)
        {
            string   from = txtFrom.Text;
            string   to   = txtTo.Text;
            DateTime fromDt;
            DateTime toDt;

            if (!String.IsNullOrEmpty(from) && !String.IsNullOrEmpty(to))
            {
                fromDt = new DateTime();
                toDt   = new DateTime();
                fromDt = DateTime.ParseExact(from, "dd-MMM-yyyy", null);
                toDt   = DateTime.ParseExact(to, "dd-MMM-yyyy", null);
                if (toDt.CompareTo(fromDt) < 0)
                {
                    lblSearchMsg.Text         = "To date must be later than From date";
                    grdLcoPartyLedger.Visible = false;
                    lblSearchMsg.ForeColor    = System.Drawing.Color.Red;
                    return;
                }
                else if (Convert.ToDateTime(txtFrom.Text.ToString()) > DateTime.Now.Date)
                {
                    lblSearchMsg.Text = "You can not select date greater than current date!";
                    return;
                }
                else if (Convert.ToDateTime(txtTo.Text.ToString()) > DateTime.Now.Date)
                {
                    lblSearchMsg.Text = "You can not select date greater than current date!";
                    return;
                }
                else
                {
                    lblSearchMsg.Text         = "";
                    grdLcoPartyLedger.Visible = true;
                }
            }

            Hashtable htAddPlanParams = getLedgerParamsData();

            string username, catid, operator_id;

            if (Session["username"] != null || Session["operator_id"] != null)
            {
                username    = Session["username"].ToString();
                catid       = Convert.ToString(Session["category"]);
                operator_id = ddlLco.SelectedValue; //Convert.ToString(Session["operator_id"]);
            }
            else
            {
                Session.Abandon();
                Response.Redirect("~/Login.aspx");
                return;
            }

            if (catid == "11")
            {
                Session["Soperatorid"] = operator_id;
            }

            Cls_Business_RptINVLedger objTran = new Cls_Business_RptINVLedger();
            Hashtable htResponse = objTran.GetTransations(htAddPlanParams, username, catid, operator_id);

            DataTable dt = null; //check for exception

            if (htResponse["htResponse"] != null)
            {
                dt = (DataTable)htResponse["htResponse"];
            }

            if (dt == null)
            {
                Response.Redirect("~/ErrorPage.aspx");
                return;
            }

            //showing parameters
            string strParams = htResponse["ParamStr"].ToString();

            if (!String.IsNullOrEmpty(strParams))
            {
                //lblSearchParams.Text = Server.HtmlDecode("<b style='color:#094791;'>LCO Party Ledger Parameters : </b>" + strParams);
                lblSearchParams.Text = Server.HtmlDecode("<b style='color:#094791;'></b>" + strParams);
            }

            if (catid == "3")
            {
                if (dt.Rows.Count > 0)
                {
                    Session["lconame"] = dt.Rows[0]["lconame"].ToString();
                }
                else
                {
                    Session["lconame"] = "";
                }
                Response.Redirect("../Reports/rptINVPrePartyLedgerDET.aspx?showall=1");
            }


            if (dt.Rows.Count == 0)
            {
                btn_genExl.Visible        = false;
                grdLcoPartyLedger.Visible = false;
                lblSearchMsg.Text         = "No data found";
            }

            else
            {
                btn_genExl.Visible           = true;
                grdLcoPartyLedger.Visible    = true;
                lblSearchMsg.Text            = "";
                ViewState["searched_trans"]  = dt;
                grdLcoPartyLedger.DataSource = dt;
                grdLcoPartyLedger.DataBind();

                //showing result count
                ////lblResultCount.Text = Server.HtmlDecode("<b>Showing Top " + dt.Rows.Count.ToString() + " Matching Results</b>");

                //to get transaction type on frmSerTransDetails.aspx
            }
        }