//Convert DataTable To object method
        public materialClass ConvertToOjbect(DataTable dt)
        {
            materialClass obj_material = new materialClass();

            for (int i = 0; i < dt.Rows.Count; i++)
            {
                if (Convert.ToString(dt.Rows[i]["Materialid"]) != "")
                {
                    obj_material.Materialid = Convert.ToInt32(dt.Rows[i]["Materialid"]);
                }
                else
                {
                    obj_material.Materialid = Convert.ToInt32("0");
                }

                if (Convert.ToString(dt.Rows[i]["Materialname"]) != "")
                {
                    obj_material.Materialname = Convert.ToString(dt.Rows[i]["Materialname"]);
                }
                else
                {
                    obj_material.Materialname = Convert.ToString("");
                }
            }
            return(obj_material);
        }
//Convert DataTable To List method
        public List <materialClass> ConvertToList(DataTable dt)
        {
            List <materialClass> materiallist = new List <materialClass>();

            for (int i = 0; i < dt.Rows.Count; i++)
            {
                materialClass obj_material = new materialClass();

                if (Convert.ToString(dt.Rows[i]["Materialid"]) != "")
                {
                    obj_material.Materialid = Convert.ToInt32(dt.Rows[i]["Materialid"]);
                }
                else
                {
                    obj_material.Materialid = Convert.ToInt32("0");
                }

                if (Convert.ToString(dt.Rows[i]["Materialname"]) != "")
                {
                    obj_material.Materialname = Convert.ToString(dt.Rows[i]["Materialname"]);
                }
                else
                {
                    obj_material.Materialname = Convert.ToString("");
                }


                materiallist.Add(obj_material);
            }
            return(materiallist);
        }
//create parameter
        public void createParameter(materialClass obj, DB_con.DBTrans trans)
        {
            try
            {
                obj_con.clearParameter();
                obj_con.addParameter("@Materialname", string.IsNullOrEmpty(Convert.ToString(obj.Materialname)) ? "" : obj.Materialname);
                obj_con.addParameter("@Materialid", obj.Materialid, trans);
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }
//Select Constructor
        public materialCtl(Int32 id)
        {
            obj_con = new ConnectionCls();
            materialClass obj_mat = new materialClass();

            using (DataTable dt = selectdatatable(id))
            {
                if (dt.Rows.Count > 0)
                {
                    obj_mat.Materialid   = Convert.ToInt32(dt.Rows[0]["Materialid"]);
                    obj_mat.Materialname = Convert.ToString(dt.Rows[0]["Materialname"]);
                }
            }
        }
 //insert data into database
 public Int32 insert(materialClass obj)
 {
     try
     {
         obj_con.clearParameter();
         createParameter(obj, DBTrans.Insert);
         obj_con.BeginTransaction();
         obj_con.ExecuteNoneQuery("sp_material_insert", CommandType.StoredProcedure);
         obj_con.CommitTransaction();
         return(obj.Materialid = Convert.ToInt32(obj_con.getValue("@Materialid")));
     }
     catch (Exception ex)
     {
         obj_con.RollbackTransaction();
         throw new Exception("sp_material_insert");
     }
 }
//update edited object
        public materialClass updateObject(materialClass obj)
        {
            try
            {
                materialClass oldObj = selectById(obj.Materialid);
                if (obj.Materialname == null || obj.Materialname.ToString().Trim() == "update")
                {
                    obj.Materialname = oldObj.Materialname;
                }

                return(obj);
            }
            catch (Exception ex)
            {
                throw new Exception(ex.Message);
            }
        }