System.ArgumentException: String cannot be of zero length. (Parameter 'oldValue') at System.String.Replace(String oldValue, String newValue) at ChinazRanker.EsWeb.Pages.Shared.Pages_Shared__ComPAskViewPageTemp1.ExecuteAsync() in D:\web\top\Pages\Shared\_ComPAskViewPageTemp1.cshtml:line 48 at Microsoft.AspNetCore.Mvc.Razor.RazorView.RenderPageCoreAsync(IRazorPage page, ViewContext context) at Microsoft.AspNetCore.Mvc.Razor.RazorView.RenderPageAsync(IRazorPage page, ViewContext context, Boolean invokeViewStarts) at Microsoft.AspNetCore.Mvc.Razor.RazorView.RenderAsync(ViewContext context) at Microsoft.AspNetCore.Mvc.ViewFeatures.HtmlHelper.RenderPartialCoreAsync(String partialViewName, Object model, ViewDataDictionary viewData, TextWriter writer) at Microsoft.AspNetCore.Mvc.ViewFeatures.HtmlHelper.PartialAsync(String partialViewName, Object model, ViewDataDictionary viewData) at Microsoft.AspNetCore.Mvc.Rendering.HtmlHelperPartialExtensions.Partial(IHtmlHelper htmlHelper, String partialViewName, Object model, ViewDataDictionary viewData) at ChinazRanker.EsWeb.Pages.Pages_CompAskViewPage.ExecuteAsync() in D:\web\top\Pages\CompAskViewPage.cshtml:line 27