public async Task <ActionResult> CreateExcelTemplate(string entityname)
        {
            var count = await this._dataTableImportMappingService.Queryable().Where(x => x.EntitySetName == entityname && x.IsEnabled == true).AnyAsync();

            if (count)
            {
                var filename = Server.MapPath("~/ExcelTemplate/" + entityname + ".xlsx");
                await _dataTableImportMappingService.CreateExcelTemplateAsync(entityname, filename);

                return(Json(new { success = true }, JsonRequestBehavior.AllowGet));
            }
            else
            {
                return(Json(new { success = false, message = "没有找到[" + entityname + "]配置信息请,先执行【生成】mapping关系" }, JsonRequestBehavior.AllowGet));
            }
        }
        public async Task <ActionResult> CreateExcelTemplate(string entityname)
        {
            var count = await this._dataTableImportMappingService.Queryable().Where(x => x.EntitySetName == entityname && x.IsEnabled == true).AnyAsync();

            if (count)
            {
                var filename = Path.Combine(this._webHostEnvironment.ContentRootPath, "ExcelTemplate", entityname + ".xlsx");
                await _dataTableImportMappingService.CreateExcelTemplateAsync(entityname, filename);

                return(Json(new { success = true }));
            }
            else
            {
                return(Json(new { success = false, message = "没有找到[" + entityname + "]配置信息请,先执行【生成】mapping关系" }));
            }
        }