Unable To Evaluate Expression Because Code Is Optimized Or Native Frame Is On Top Of Stack?
Feb 16, 2010
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
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May 7, 2015
I 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."
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Sep 19, 2010
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].....
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Dec 8, 2010
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.
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Feb 9, 2010
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 .
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Jan 11, 2010
"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
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Sep 17, 2010
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]...
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Jun 23, 2010
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.}"
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Mar 11, 2010
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]....
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Oct 10, 2010
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.
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Jul 8, 2010
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.
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Aug 3, 2010
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]...
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Sep 21, 2010
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" ||
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Mar 12, 2010
I have this situation where I have three pages:
The first page, default.htm, is a frameset page that uses the other two pages.
The second page, casemenu.aspx, is a form that contains an object we call "PopupManager": It has an element <xxx:PopupManager runat="server"/>. This object is dependent on the standard ScriptManager, which requires a form.
The third page, header.aspx, contains three links. Each link calls a JScript function that in turn calls a function on the Popup Manager. It makes the call to the popup manager with an expression like 'top.frames.casemenu._PopupManager'.
Now, the problem I have is that I have to change default.htm to be a normal page containing an iframe, which will refer to a new page, container.aspx, which has the original frameset. When I do that, I can no longer access the PopupManager the same way ('top.frames.casemenu._PopupManager' no longer works.)
I would like some way to refer to the PopupManager relative to header.aspx, something like "self.parent.frames.casemenu._PopupManager", but that doesn't work.
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Sep 21, 2010
I need to construct a regular expression for the password textbox, Min:8,Max:16 and must include atleast a number(0-9),alphabets upper and lower case. I am unable to limit the length to 16.
<asp:RegularExpressionValidator ID="RegEx" runat="server" ControlToValidate="Password"
ErrorMessage="Password must be min:8,max:16 characters and include a number,alphabets upper case and lower case.
"ToolTip="Password format is not correct"
ValidationExpression="^(?=.{8})(?=.*d)(?=.*[a-z])(?=.*[A-Z]).*$">
</asp:RegularExpressionValidator>
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Jun 3, 2010
I'm getting the above error message in my C# code on my asp backend pages.
here is the line:
Chart1.Legends["Default"].FontColor = this.LegendFontColorPicker.Color == null ? Color.Black : this.LegendFontColorPicker.Color;
The error message occurs on every line that uses this ?: expression format, but MSDN says it's legit.
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Feb 1, 2011
how to code the following regular expression
ABC[1 digit Number b/w 1-4]1A[7 digit number 0-9]-5[5 digit character]
Eg
ABC21A0123789-5ABCYZ
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May 18, 2010
i have seen often the use of term native in .NET programming language.Can you tell me what does it mean?
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May 15, 2010
At my current place of employment, a university, we are going to take a stab at making a mobile browser-oriented section of our web site. I was wondering if anyone could direct me to some good resources that they know of for such a thing. Primarily, names of books would be nice, but any kind of resource at this point would be extremely helpful. We are approaching this as more of an HTML project at the moment, so the resources don't need to be Asp.Net based, but such things would be great too.
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Oct 21, 2010
I have a webservice I need to call via a link. The webservice returns a pdf document and takes a document Id as a input parameter.Under normal circumstances I could have the link call some code in the code behind which in turn calls the webservice.
However the difficult part about it is I can't add code to the code behind. The reason is it is for some CMS users who want to know what links to add to the page which will download the pdfs. I can only add the link to the aspx page.
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Oct 25, 2010
I am trying to match an email, however when put the same expression in the code behind, vs the aspx, I seem to be getting different matches for email address. The aspx regex validator seems to be working correctly, however I need to validate for my webservice as well.
Regex regExEmail = new Regex(@"w+([-+.]w+)*@w+([-.]w+)*.w+([-.]w+)*");
if (!regExEmail.IsMatch(contact.emailAddress))
{
//do something
}
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May 7, 2010
I get the data of the stored image on database as byte[] array;then I convert it to System.Drawing.Image like the code shown below;
public System.Drawing.Image CreateImage(byte[] bytes)
{
System.IO.MemoryStream memoryStream = new System.IO.MemoryStream(bytes);
[code]...
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Oct 29, 2010
the text box should validate in such a manner that the special characters like <,>,%,!,? should not appear in the text box.if appears an erroe msg should be displayed representing invalid name.or else it sholud be processen....
can any one tell the code(regular expression) for the above mentioned.
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Oct 29, 2010
I was doing some web scraping and i was looking for some div elements with particular class names and markup. This is my objective , i have to extract everything within the div having the class s_specs_box s_box_4 Could someone provide the regular expression in .NET terms (i.e., which can be straight away passed into Regex's constructor)to match one such div (given below)
<div class="s_specs_box s_box_4"><h3>Display</h3><ul><li><strong><span class='s_tooltip_anchor'>Display:</span>
<span class='s_tooltip_content'><p class='s_help'><b>Display</b> - Phone's main display</p></span></strong><ul>
<li class='clear clearfix'><strong><span class='s_tooltip_anchor'>Type:</span>
<span class='s_tooltip_content'><p class='s_help'><b>Type</b> - Refers to the type of the display. There are four major display types: Greyscale, Black&White, LCD:STN-color and LCD:TFT-color</p></span></strong><ul><li>Color</li></ul>
</li><li class='clear clearfix'><strong><span class='s_tooltip_anchor'>Technology:</span>
<span class='s_tooltip_content'><p class='s_help'><b>Technology</b> - Refers to the type of the color displays. There are five major types: LCD, TFT, TFD, STN and OLED</p></span></strong><ul><li>Super AMOLED</li></ul>..............................
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Feb 17, 2010
We have a little debate and need to clear it up?
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