I have a class...see code below
[Code]....
and I am calling the class using this syntax....
DataExporter.ExportToXLS(gvtemp,
string.Format("{0}.xls",
DateTime.Now.ToString("ddhhmmss")));
however, i am getting the exception, unable to evaluate expression because the code is optimized and usually, you fix it by adding a false to your response.redirect.
The code was executing fine but now an exception is generated: "exc = {Unable to evaluate expression because the code is optimized or a native frame is on top of the call stack.}"
[code].....
I understand that if you put a Response.Redirect inside a try-catch that you're going to get this error unless you specify the 2nd param of the redirect as false.But even looking at this article (PRB: ThreadAbortException Occurs If You Use Response.End, Response.Redirect, or Server.Transfer) I still don't understand why I have to set this to false for this particular line of code...we've always had true for that param until I wrapped that in a try-catc
View 1 RepliesI want to export the data to pdf in which table has 150 columns.
When i save the file in directory , the file is opening. whereas when open it directly some box type is displaying.
And also am getting exception in Response.End() method which is given below
"Unable to evaluate expression because the code is optimized or a native frame is on top of the call stack."
I am using asp.net 2.0 with c#.
" myReportDocument.ExportToHttpResponse(CrystalDecisions.Shared.ExportFormatType.PortableDocFormat, Response, false, rptName);"
As soon as compiler execute this statement i get error
" [System.Threading.ThreadAbortException] = {Unable to evaluate expression because the code is optimized or a native frame is on top of the call stack.} "
What will be the possible reasons for the error.
Although it throws execption but it will allow to convert report when i deployed my site using http but when i deployed my site using https then it will shows error .
"Unable to evaluate expression because the code is optimized or a native frame is on top of the call stack." have redirected to a new page in repeater's itemcommand event. Error coming at line :
string url = "~/Galleries/AlbumImageList.aspx?UId=" + this.UserId.ToString() + "&AlbumId=" + e.CommandArgument.ToString();
Response.Redirect(url);
_COMPlusExceptionCode is -532459699
i am getting this error: Unable to evaluate expression because the code is optimized or a native frame is on top of the call stack.and this is my code where i am getting error.
if (Session["edit"].ToString() == "y" || Session["master"].ToString() == "y" || Session["del"].ToString() == "y")
btncancel.Text = "Cancel";
//txtprodesc.Text = txtpronm.Text = "";
ds = new DataSet();
ds =settcls.SelectallproductSuppliersetting();
if (ds.Tables[0].Rows.Count > 0)
[code]...
In my application when i debug in catch block this error is showing,given below
"[System.Threading.ThreadAbortException] = {Unable to evaluate expression because the code is optimized or a native frame is on top of the call stack.}"
i'm having a serious problem when i' trying to use "HttpContext.Current".
What i' trying to do is to get a querystring value by:
"HttpContext.Current.Request.QueryString["..."]" (in my page base class)
But i got this error:
"Unable to evaluate expression because the code is optimized or a native frame is on top of the call stack"
What could be causing this problem?
[code]....
I had a problem lately that I managed to have for it 2 solutions and I am wondering which one should I choose. Here the issue : When a user requests my site ( www..com), I am gonna redirect him to (www..com/en) because it is a multilingual site. I am using .NET routing to to that. In the Page_Load of the default.aspx page I check if the language in the Routing Collection is available, I don't redirect. If it is not available I redirect to (www._.com/en). Here is the code :
if (Page.RouteData.Values.Count == 0)
{
if (SessionManager.IsUserAuthenticated)
{
//Redirect To User HomePage for his Main Language
Page.Response.Redirect(UserManager.GetUserMainPageWhenLoggedIn(SessionManager.LoggedUser.LanguageID,true));
}
else
{
Page.Response.Redirect(String.Format("~/{0}", Cultures.en.ToString()), true);
Helpers.SetCulture(Cultures.en.ToString());
}
}
I am using Response.Redirect to do that. Now if I set to End The Response the method parameter, it will throw an exception so I can handle it throught
try
{
this.InitializeLayout();
}
catch (ThreadAbortException ex)
{
}
catch (Exception ex)
{
ExceptionManager.LogException(ex);
}
If I don't end the Response, the page will execute the whole lifecyle, redirect and then do it again which results a double execution of the page. My main objective is not to execute the page 2 times to minimize processing ( if the site gets hammered by a big traffic). If I end the Response, a ThreadAbortExeption will be thrown and I think this is not good for the site.( I can catch it and not log it).
I am preparing string expression to use it to insert statement like
str="insert into franchise (xx,yyy,xxxxx) values (" + rblxx.SelectedIndex + 1 .............
when I do so it simply concats the thing like value of rblxx.SelectedIndex "0" and 1 makes 01 and not 1.suggest some function and trick to add the numeric values not concat. I tried using System.Convert.ToInt32 but not worked for me.
I recently converted a web application of ours to VS 2008 so that we could upgrade to .net 3.51 framework.
I have been making some changes to the layout, to take advantage of ajax and minimize the amout of data needing to be loaded and the number of postbacks processed.
The problem I am having is when I try to save the data.
The page postback calls a local Sub which reads the form data into local variables and then passes these variables to our assembly.
The primary assembly has 70 parameters which are used to populate one of the tables in our database.
So I have 70 local variables just for this call plus a variable reference to the output of the assembly which contains a property for each of the columns in the associated database record.
There are some additional assemblies called to update other tables so, in all there are 121 locally defined variables in this sub.
Bear in mind that this sub is called from the page load event which has 93 of it's own locally declared variables.
Here is what is happening, when I run the code I am using cdate() to convert the value of a text box to datetime and pass it to my assembly. When doing so it throws a conversion error.
So I created a local datetime variable and converted the value of the control to the datetime and passed the variable to the assembly.
No more error, but the proc did not save the data as it was supposed to.
What I noticed in debugging, on the locals tab, is that every local datetime variable displayed the following message:
Cannot evaluate expression because we are stopped in a place where garbage collection is impossible, possibly because the code of the current method may be optimized
I also noticed that on the watch window the same message would display if I attempted to reference any of the datetime controls on the form.
There are only 3 variables and 3 datetime controls that appear to be affected. the controls are all html input boxes. Every other variable and control on the form behaves normally and I can see their values while debugging, it is just these six that are exhibiting the problem, whats more is that they are not new controls to the form.
I had written a piece of code in MVC 1.0 and the Response.Redirect worked flawlessly.I now have a new application and I decided to use MVC 2.0 but that same piece of code is now not working. After the Response.Redirect is called, the code STILL continues to execute. I have not seen this in any version of ASP.NET until now. Usually, after Response.Redirect is called, execution of all code is stopped.
Why is this now happening and how do I fix this? this is very frustrating to me and I cannot seem to find a solution.
here is a legacy code which has following implementation Example1 and Example2.f we try to implement MSDN recommendation then the legacy code fails.
void Page_Load() {
if(condition) {
/// some condition
} else {
RedirectPage(url);
[code]...
how can i optimized this code? i dont like to have case statement, is there a way i can improve this code?
protected void ddlFilterResultBy_SelectedIndexChanged(object sender, EventArgs e)
{tring selVal = ddlFilterResultBy.SelectedValue.ToString().ToLower();
itch (selVal)
{
case "date":
[code]...
is there a way i can optimized this code and make this extensions on web.config settings so i can read from there and in future if i need to add or remove i should be able to do easily?
if (fileExt.ToLower() == ".rtf" ||
fileExt.ToLower() == ".xls" ||
fileExt.ToLower() == ".doc" ||
fileExt.ToLower() == ".png" ||
which one is better response.redirect or postbackurl(asp:button feture) to redirect web page?
View 3 RepliesI want to redirect to "~/City/Göteborg", but if I just write Response.Redirect("~/City/Göteborg"); I will end up with an ugly URL in the address-bar like this: http://www.mysite.com/City/G%c3%b6teborg..
So my question is how to redirect to obtain a clean url like http://www.mysite.com/City/Göteborg?
I have a problem with Response.Redirect to specific error page.
so far i have something like :
protected void Page_Load(object sender, EventArgs e)
{
if ((Request.QueryString["UbytovaniePrispevokID"].ToString()) == "")[code]......
What i want to do is.. I have one main page with new posts Each subject of the new post is the link to Another page where is Specific post and coments and user can leave a coment.
What I want is when the Request.QueryString["UbytovaniePrispevokID"].ToString()) == "" or null I want to redirect to error page ...
how can i redirect to other page from pop up window with response.redirect.
View 2 RepliesIs it necessary to call Response.End() after Response.Redirect(url) Update for all the answers. Because some answers say that it's necessary and others say no, I have searched more and have found in msdn under remarks the following: Redirect calls End which raises a ThreadAbortException exception upon completion.
View 5 RepliesI am working on a website that I inherited (ASP.NET and C#), and I noticed that in almost EVERY method in the code behind of the project pages (except some helper methods), the original author uses Response.Redirect() to redirect to a page (typically home.aspx, but not always).
What is the purpose of doing this? It seems unneeded to me - at least it doesn't appear to change anything the website is doing if I keep it in or remove it.
I have a flash image slider with a button below each image. When i press that button, the user is redirected to a new page where i add that image product to my cart. The problem is that after doing the adding, i want to redirect the user back to the initial page.
The code:
protected void Page_Load(object sender, EventArgs e)
{
addProductToBasket(getCategoryIdFromUrl(), getProductIdFromUrl());
Response.Redirect(Request.UrlReferrer.ToString());
}
note that in Firefox is working fine but in IE or Chrome it is DOWNLOADING the swf...If i comment Response.Redict(...) the user remains on this page so the click button is working well, only the redirect seems to be the problem.
Edit: The problem seems to be that Request.UrlReferrer keeps as link not the initial page containing the swf but the swf itself.
So, instead of doing redirect to:[URL] if does redirect to the swf contained on the Index.aspx page[URL]
Solved: with a session variable where i keep the initial page's url
I recently upgraded a web app to ASP.NET 4.0 , but I have to downgrade it back to 2.0, because the Response.Redirect from another web app, which is in ASP.NET 2.0, did not work.
View 2 RepliesI'm looking at creating a simple URL shortening service for our corporate intranet, and I'm curious if anyone knows if there's a maximum length for URLs returned by ASP.NET's Response.Redirect method?
View 3 Replies