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Im tying to write an exception message using javascript in code behind, using
catch (Exception ex)
{
string err = ex.Message;
string script = "alert('" + err + "');";
ScriptManager.RegisterStartupScript(Page, Page.GetType(), "Msg", script, true);
}

But sometimes the message doesnt get dislayed and the whole application freezes, i have noticed that its caused by the content of ex.Message
eg "Unable to cast object of type 'System.DBNull' to type 'System.String'." - gives a problem. The easiest thing to do is to replace the ' signs and it works fine, but this is applies to this error message only, is there a generic solution for this problem.

Thank you.

Re: java sript in code behind C#

am.net7-Jan-09 0:25

am.net

7-Jan-09 0:25

try with.. this

catch (Exception ex)
{
response.write("'alert(' + ex.Message + ');'");
}

Re: java sript in code behind C#

omlac7-Jan-09 2:42

omlac

7-Jan-09 2:42

Thank you for your response, but there is no output from response;
i just took it as you wrote it, maybe its the synhax for response i will chaeck that and will come back to u.

Thank u.

Re: java sript in code behind C#

Sundar_R7-Jan-09 5:32

Sundar_R

7-Jan-09 5:32

response.write("<script>'alert(' + ex.Message + ');'</script>");

this wont work if you have ' in the exception message
think we have to write a method which replaces all special characters (ex: ' with \' and " with \")

Re: java sript in code behind C#

Aman Bhullar7-Jan-09 4:53

Aman Bhullar

7-Jan-09 4:53

You can try

Response.write("alert('" + err + "');");

You can also try placing a label on the page then assign text to label as
message.Text = "");

Extract Section Wise Text

panthagani santosh6-Jan-09 22:59

panthagani santosh

6-Jan-09 22:59

Hi All ,

I need to get section wise text in a file.

The is possible format of text.

1.Section 1
1.1. Sub Section
Some Text Here
2.Section 2
Some Text Here
Some Text Here
3.Section 3
Some Text Here
Some Text Here
Some Text Here

I need to get Section Title(ie;Section1,Section 2......) and Text with in Section inorder to save Section Text along with Section Title in Database.

Any help is highly appreciated.

Code for :File download and simple e-mail system

Subin Alex6-Jan-09 22:18

Subin Alex

6-Jan-09 22:18

could any one help me out by giving me the code for downloading file and also for simple e-mail system with some explanations?

Re: Code for :File download and simple e-mail system

SeMartens6-Jan-09 22:50

SeMartens

6-Jan-09 22:50

Hi,

try to search the net using google or sth similar. There are a lot of examples for this.

Look here http://www.csharpfriends.com/Articles/getArticle.aspx?articleID=115[^]

or here
http://www.codeproject.com/KB/IP/Pop3MimeClient.aspx[^]

Regards
Sebastian

It's not a bug, it's a feature!

Me in Softwareland.

Re: Code for :File download and simple e-mail system

N a v a n e e t h6-Jan-09 22:50

N a v a n e e t h

6-Jan-09 22:50

Subin Alex wrote:
could any one help me out by giving me the code for downloading file and also for simple e-mail system with some explanations?

You haven't got the concept of this site. Read this[^] especially point2 and point9.

Navaneeth

How to use google | Ask smart questions

How get List of all domain and pc ? [modified]

am.net6-Jan-09 22:02

am.net

6-Jan-09 22:02

hi to all,

i m creating one application, in which i need to get all the list of domain like workgorup etc. and there list of pc's in LAN.

i m using asp.net1.1

pls give me suggestion if any one have.

Thanx in advance...
am.net

modified on Thursday, January 8, 2009 12:48 AM

Re: How get List of all domain and pc ?

Ashfield7-Jan-09 1:38

Ashfield

7-Jan-09 1:38

am.net wrote:
pls give me suggestion if any one have.

My suggestion - don't make all your text bold

Bob
Ashfield Consultants Ltd
Proud to be a 2009 Code Project MVP

Re: How get List of all domain and pc ?

Paddy Boyd7-Jan-09 2:47

Paddy Boyd

7-Jan-09 2:47

You'll probably want to create an LDAP query against your active directory. There are a number of examples online - just bear in mind that your asp.net process will need to have sufficient authorisation to make these queries.

Want to display HTML file in aspx page

Anand Desai6-Jan-09 21:27

Anand Desai

6-Jan-09 21:27

Hi coders,

I want to display one HTML file contents in my aspx page. I am using for that. what I have written is:

aspx page:
<iframe frameborder="no" id="htmlAboutUs" style="width:100%; height:500px;" runat="server" scrolling="no">

cs file:

htmlAboutUs.Attributes["src"] = Server.MapPath(FolderName + "/styles/About-Us.html");

where FolderName is comming from session.
Its not working but. its showing blank page in result(not even "Page Not Found").

Then I tried another one:

FileStream fs = new FileStream(Server.MapPath(FolderName
+ "/styles/About-Us.html"), FileMode.Open);
byte[] data = new byte[fs.Length];
fs.Read(data, 0, (int)fs.Length);
fs.Close();
string dataString = Encoding.UTF8.GetString(data);
htmlAboutUs.InnerText = dataString;

It is also not working. I have checked that its bringing correct data in dataString but not displaying. mean my file contents are properly read but its not assigned to iframe. Please give some gidence.

Thanks for any help.

Anand Desai
Developer
Atharva Infotech

Re: Want to display HTML file in aspx page

Colin Angus Mackay6-Jan-09 21:37

Colin Angus Mackay

6-Jan-09 21:37

Anand Desai wrote:
Its not working but

That is because you are using MapPath to return the Physical path as seen internally on the server. The browser does not have access to that. You must use a URL (http://domain/folder/styles/About-Us.html)

* Developer Day Scotland 2 - Free community conference
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Vogon Building and Loan advise that your planet is at risk if you do not keep up repayments on any mortgage secured upon it. Please remember that the force of gravity can go up as well as down.

Re: Want to display HTML file in aspx page

Anand Desai6-Jan-09 21:43

Anand Desai

6-Jan-09 21:43

Colin Angus Mackay wrote:
MapPath to return the Physical path as seen internally on the server.

I am using localhost anyways. and i think, on web server also, MapPath should work properly.

Thanks.

Anand Desai
Developer
Atharva Infotech

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