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Hello,
I'm a newbie trying to insert a quick-and-dirty Javascript email form in an .aspx page. For some reason, trying to execute the form returns a "Object reference not set to an instance of an object" error. Will the Javascript only work in a regular .html page, or can ASP.NET controls and Javascript play well together?
Any help or advice would be much appreciated. For reference, the javascript inserted is:
Header:
<[CODE]script name="JavaScript">
[/CODE]
Body:
[CODE]
| Name | | | E-mail | | Your message:
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[/CODE]
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The script is trying to set the location of the parent window. Does the window have a parent window?
After setting the location, the form will also be posted to the server. Is this intentional?
---
single minded; short sighted; long gone;
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Thanks very much for replying.
I grabbed that code off of some site online; I have no idea why it was trying to do that. I read more about Javascript, and then realized it was sort of insane to use it on a .NET site when returning forms was one of the functions ASP.NET was made for in the first place...
Thanks again!
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I have an application which gives me this error the first time it's accessed after a while:
"Session state has created a session id, but cannot save it because the response was already flushed by the application." 
And, of course, when I refresh the page, or move to another, the error does not appear anymore because, the session is saved without trouble during subsequent requests.
I read somewhere about Response.Flush() causing this problem, and also that app.pool recycling could be the reason for seeing this error, but I didn't use Response.Flush anywhere. I suspect I probably did something bad in my code or at a bad time, but I'm also thinking it might have something to do with web.config. 
I've searched a lot, and could find an answer.
Dragoljub Ćurčić
----
Imagine what you'll know tomorrow.
(Men in black)
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The session id is stored in a cookie, so what the error message really means is that it's the http head part of the response that has already been flushed. Normally this doesn't happen until the page is complete, but if you turn of response buffering, this may happen earlier.
---
single minded; short sighted; long gone;
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Thanks for the reply.
I really did put buffer="false" in web.config (<pages> element). I'll try removing that attribute.
Dragoljub Ćurčić
----
Imagine what you'll know tomorrow.(Men in black)
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Hi,
I am storing some variables in Session -- which is stored in sql server 2005 DB . Everything is set up for database and i can aslo tables(ASPstateTempSessions & AspStateTempApplications) for session in the ASPStateDB.
But i am not able to see the session variables stored in the ASPStateDB tables. All i see is SessionId and some other fields but not my variables and its values.
EX. Session["myVariable"] = data;
I cannot see myVariable and data being stored in the database. Arent they supposed to be there?
However if i use trace i can see all the session variables and their values.
Any help is appreciated,
Yojimbo
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Dear All
I have developed a web application that connects to oracle database on the server "on the network"
All is working fine from my computer and all the team computers
i tried to install the application on the client's pc but i get the error "Unterminated string constant" like a javascript error when the page loads and the data is not filled in the form
i debugged it and it said it needs oracle client components "network..."
all is set up! it's the same like my pc but it doesn't work!
i formatted the pc and reinstalled .net framework, sql server, and oracle client 9i and the same problem is still happening
I donno what to do and i have limited time to finish so i would appreciate any quick response
Thanx
Best Regards
3ala2 
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You formatted a clients PC because you couldn't figure out how to get the config right ?
If it's a javascript error, you'll be given a line number, and viewing the source will give you a much better idea of what is going wrong.
Christian Graus - Microsoft MVP - C++
Metal Musings - Rex and my new metal blog
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actually i am develpoing a site please tell me How can i provide the facility to upload 5-10 mb files using ASP.NET 2.0 and VB.NET please help me yaaaar....
Feroze
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You have to set the maxRequestLength property in web.config to recieve files larger than 4 MB.
---
single minded; short sighted; long gone;
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Thanks for help me but dear Guffa i have set the maxRequestLength property in web.config to recieve files larger than 20 MB. but this work only offline but not online when i upload online it gives no any response...
Feroze
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How long have you waited for the response? It's takes much longer to upload a file to a server than to "upload" it inside your own computer.
---
single minded; short sighted; long gone;
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I am trying to make a decision on a development path for a small, inexperienced (in web design) team for one or two external web site applications (not a complex backend to begin with)
in a .Net/SQLServer/VisualStudio environment. Rather than start simply from Visual Studio, I am looking for tools and frameworks to give us a head start and to improve productivity. I don't want to spend too much time building the infrastucture and more on the application and appearance. DotNetNuke looks interesting and so does IronSpeed, although I think I need the former more than the latter. I am looking for any comments or experience or whatever in choosing/using/abusing these or similar.
-- modified at 8:47 Saturday 3rd February, 2007
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Hi,
I have a textbox which is validated for entering only numbers. I cannot use click event of key board(i.e. alphabets). I cannot enter any alphabets in it.But when i try to use copy paste option then i can paste the alphabets in the validated textbox.
How can i avoid this from happening.
Thanks
Riz
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try this...
function CheckNumber(obj,checkFor)
{
if(typeof obj.value==checkFor)
{
return true;
}
else
{
alert("This value is not numeric any more");
obj.value="";
obj.focus();
return false;
}
}
onkeypress='return CheckNumber(this,"number")'
onblur='return CheckNumber(this,"number")'
-----------------------------
Ravi Kant Srivastva
(SYSTEM ANALYST)
HandsOn Technology & Engg.....
Gurgaon
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Hello,
I am getting data from XML file, it contains & in data like XYZ & corporation.
While creating dataset using this string like
dataset.readxml(string)
I am getting error
An error occurred while parsing EntityName
Can anyone have idea, how to fix this issue.
Regards,
S Kumar
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public DataSet CreateWdTabs(string XML)
{
try
{
Stream XmlStream = new MemoryStream(System.Text.Encoding.ASCII.GetBytes(XML));
DataSet ds = new DataSet();
ds.ReadXml(XmlStream) ;
return ds;
}
catch()
{
return null;
}
}
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Hi,
Thanks for your reply. I had got the solution, its working.
strText = Replace(strText, "&", "&")
strText = Replace(strText, "'", "'")
strText = Replace(strText, """", """)
I am using replace function like above.
Best Regards,
S Kumar
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You are trying to reinventing the wheel. 
As the forum does not encode the text correctly, I can't see what you are trying to do, but either the HtmlEncode or HtmlDecode method will do that for you.
---
single minded; short sighted; long gone;
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S_kumarN wrote: I am getting data from XML file, it contains & in data like XYZ & corporation.
You have to html encode the data when you create the xml file, so that it ends up like:
<someTag>XYZ & corporation</someTag>
Use the HtmlEncode method to encode the data.
---
single minded; short sighted; long gone;
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Hello,
i'm trying to show a PDF file in an Iframe,
I found a Dll From Microsoft, but this code can write PDF Online,
Is there any body do this?
please help me.
thanks.
Devil
software Engineer
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Is there a reason why you can't just set the src attribute of the IFrame to point to the pdf? That will cause the web viewer to display the file....
"Now I guess I'll sit back and watch people misinterpret what I just said......"
Christian Graus At The Soapbox
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Hi ALL,
I wnat to allow only number in the textbox throug javascript.I wrote the Java script code but it say error in the script.Some one can tell me what is the problem??
<HTML>
<HEAD>
<SCRIPT language=Javascript>
<!--
function isNumberKey(evt)
{
var charCode = (evt.which) ? evt.which : event.keyCode
if (charCode > 31 && (charCode < 48 || charCode > 57))
return false;
return true;
}
//-->
</SCRIPT>
</HEAD>
<BODY>
<INPUT id="txtChar" onkeypress="return isNumberKey(event)" type="text" name="txtChar">
</BODY>
</HTML>
Thanks in advance.
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