public ICollection <ErrorHandler> BulkInsert(string argExcelPath, string argQuery, string strTableName, string argFileExt, string argUserName, string argClientCode)
        {
            DataTable           dtExcel          = null;
            StoreLocation       ObjStoreLocation = null;
            string              xConnStr         = "";
            string              strSheetName     = "";
            DataSet             dsExcel          = new DataSet();
            DataTable           dtTableSchema    = new DataTable();
            OleDbConnection     objXConn         = null;
            OleDbDataAdapter    objDataAdapter   = new OleDbDataAdapter();
            List <ErrorHandler> lstErr           = new List <ErrorHandler>();

            if (argFileExt.ToString() == ".xls")
            {
                xConnStr = "Provider=Microsoft.Jet.OLEDB.4.0;" +
                           "Data Source=" + argExcelPath.Trim() + ";" +
                           "Extended Properties=Excel 8.0";
            }
            else
            {
                xConnStr = "Provider=Microsoft.ACE.OLEDB.12.0;" +
                           "Data Source=" + argExcelPath.Trim() + ";" +
                           "Extended Properties=Excel 12.0";
            }

            try
            {
                objXConn = new OleDbConnection(xConnStr);
                objXConn.Open();
                dtTableSchema = objXConn.GetOleDbSchemaTable(OleDbSchemaGuid.Tables, null);

                if (argFileExt.ToString() == ".xls")
                {
                    strSheetName = Convert.ToString(dtTableSchema.Rows[0]["TABLE_NAME"]);
                }
                else
                {
                    strSheetName = Convert.ToString(dtTableSchema.Rows[0]["TABLE_NAME"]);

                    if (strSheetName.IndexOf(@"_xlnm#_FilterDatabase") >= 0)
                    {
                        strSheetName = Convert.ToString(dtTableSchema.Rows[1]["TABLE_NAME"]);
                    }
                }
                argQuery = argQuery + " [" + strSheetName + "]";
                OleDbCommand objCommand = new OleDbCommand(argQuery, objXConn);
                objDataAdapter.SelectCommand = objCommand;
                objDataAdapter.Fill(dsExcel);
                dtExcel = dsExcel.Tables[0];

                /*****************************************/
                DataAccess da = new DataAccess();
                da.Open_Connection();
                da.BEGIN_TRANSACTION();

                try
                {
                    foreach (DataRow drExcel in dtExcel.Rows)
                    {
                        ObjStoreLocation            = new StoreLocation();
                        ObjStoreLocation.StoreCode  = Convert.ToString(drExcel["StoreCode"]).Trim();
                        ObjStoreLocation.PlantCode  = Convert.ToString(drExcel["PlantCode"]).Trim();
                        ObjStoreLocation.StoreName  = Convert.ToString(drExcel["StoreName"]).Trim();
                        ObjStoreLocation.CreatedBy  = Convert.ToString(argUserName);
                        ObjStoreLocation.ModifiedBy = Convert.ToString(argUserName);
                        ObjStoreLocation.ClientCode = Convert.ToString(argClientCode);
                        SaveStoreLocation(ObjStoreLocation, da, lstErr);

                        foreach (ErrorHandler objerr in lstErr)
                        {
                            if (objerr.Type == "E")
                            {
                                da.ROLLBACK_TRANSACTION();
                                break;
                            }
                        }
                    }
                    da.COMMIT_TRANSACTION();
                }
                catch (Exception ex)
                {
                    if (da != null)
                    {
                        da.ROLLBACK_TRANSACTION();
                    }
                    objErrorHandler.Type       = ErrorConstant.strAboartType;
                    objErrorHandler.MsgId      = 0;
                    objErrorHandler.Module     = ErrorConstant.strInsertModule;
                    objErrorHandler.ModulePart = ErrorConstant.strMasterModule;
                    objErrorHandler.Message    = ex.Message.ToString();
                    objErrorHandler.RowNo      = 0;
                    objErrorHandler.FieldName  = "";
                    objErrorHandler.LogCode    = "";
                    lstErr.Add(objErrorHandler);
                }
                finally
                {
                    if (da != null)
                    {
                        da.Close_Connection();
                        da = null;
                    }
                }
            }
            catch (Exception ex)
            {
                throw ex;
            }
            finally
            {
                objXConn.Close();
            }
            return(lstErr);
        }
        public ICollection <ErrorHandler> SaveStoreLocation(StoreLocation argStoreLocation)
        {
            List <ErrorHandler> lstErr = new List <ErrorHandler>();
            DataAccess          da     = new DataAccess();

            try
            {
                if (blnIsStoreLocationExists(argStoreLocation.StoreCode, argStoreLocation.PlantCode, argStoreLocation.ClientCode) == false)
                {
                    da.Open_Connection();
                    da.BEGIN_TRANSACTION();
                    InsertStoreLocation(argStoreLocation, da, lstErr);
                    foreach (ErrorHandler objerr in lstErr)
                    {
                        if (objerr.Type == "E")
                        {
                            da.ROLLBACK_TRANSACTION();
                            return(lstErr);
                        }
                    }
                    da.COMMIT_TRANSACTION();
                }
                else
                {
                    da.Open_Connection();
                    da.BEGIN_TRANSACTION();
                    UpdateStoreLocation(argStoreLocation, da, lstErr);
                    foreach (ErrorHandler objerr in lstErr)
                    {
                        if (objerr.Type == "E")
                        {
                            da.ROLLBACK_TRANSACTION();
                            return(lstErr);
                        }
                    }
                    da.COMMIT_TRANSACTION();
                }
            }
            catch (Exception ex)
            {
                if (da != null)
                {
                    da.ROLLBACK_TRANSACTION();
                }
                objErrorHandler.Type       = ErrorConstant.strAboartType;
                objErrorHandler.MsgId      = 0;
                objErrorHandler.Module     = ErrorConstant.strInsertModule;
                objErrorHandler.ModulePart = ErrorConstant.strMasterModule;
                objErrorHandler.Message    = ex.Message.ToString();
                objErrorHandler.RowNo      = 0;
                objErrorHandler.FieldName  = "";
                objErrorHandler.LogCode    = "";
                lstErr.Add(objErrorHandler);
            }
            finally
            {
                if (da != null)
                {
                    da.Close_Connection();
                    da = null;
                }
            }
            return(lstErr);
        }