| How to do screen scraping where the site requires a log in |
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Index ‹ dotnet-framework-aspnet
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- 2
- Shortcut IconHi, I created this line in a .skin file:
<asp:Image SkinID="FavIcon" ImageUrl="sys/favicon.png" runat="Server"/>
How can I insert ImageUrl value in this MasterPage's line:
<link rel="shortcut icon" type="image/png" href="HERE ImageUrl's VALUE
from SkinID FavIcon" />
TIA
- 3
- Picture Portfollio (asp.net 2.0 using vb.net)Hello,
I was asked to build an internal site to show pictures of events that we
have had. What I was thinking about doing is loading the files in a
directory and then pulling the names in the directory into a gridview or
repeater control. My question is how woud I go about getting the names of
the files into an array. And how can I show the pictures going across the
multiple columns instead of just one column?
--
Thanks in advance,
sck10
- 3
- 3
- 5
- Conditional display of web page elementI have a few things such as buttons and URLs that may or may not be shown
based on the value of a database column. I can hook to the database and get
the dataset and datarecord just fine. I can retrieve the value into a
variable fine. My problem is that I have no idea what code to use to tell a
button not to be displayed if I don't get a certain value. In ASP I would
just embed VBScript to check the value of the variable in an if then and
either include the button or skip it on the fly. I can't seem to figure out
how to do this in ASP.NET.
Would someone please help me out with a code sample or a pointer to where
this is explained?
- 6
- 6
- Need to create Eventhandler for control created at runtimeHi,
At what point in the page lifecycle are you adding these controls? Are they
part of a control which is databound or are they part of a control which
responds to a postback?
--
Ben
http://bitarray.co.uk/ben
"Jeff" <email***@***.com> wrote in message
news:email***@***.com...
>I have created an array of buttons at run time and need to associate them
> with a
> click event. Below I have included the code used to create the controls at
> run time and hook up the button with the event:
>
> //create array of Update buttons
> intLeft=16;
> intTop=600;
> for(intElement1=0;intElement1<datResults.Tables[0].Rows.Count;intElement1++)
> {
> btnUpdate[intElement1]=new Button();
> btnUpdate[intElement1].Style["Position"]="Absolute";
> btnUpdate[intElement1].Style["Top"]=System.Convert.ToString(intTop) +
> "px";
> btnUpdate[intElement1].Style["Left"]=System.Convert.ToString(intLeft) +
> "px";
> btnUpdate[intElement1].Text="Update";
> btnUpdate[intElement1].Height=21;
> btnUpdate[intElement1].Width=60;
> btnUpdate[intElement1].Click+=new System.EventHandler(this.UpdateClick);
> this.FindControl("WebForm1").Controls.Add(btnUpdate[intElement1]);
> btnUpdate[intElement1].Visible=true;
> intTop+=106;
> }
>
> I have added the following routine as the event:
>
> public void UpdateClick(Object sender, EventArgs e)
> {
> lblError.Visible=true;
> lblError.Text="It worked";
> }
>
> The code in the click routine does not run when the button is clicked. Can
> anyone tell me what I am missing? Thanks in advance.
>
> Regards,
> Jeff
- 6
- Webservice serve multiple request at same time ??having a webservice X in seperate server and two application A & B on
each seperate server, where application A and B access the same method
from webservice X
wheather webservice provide service for both application at same time
or it will service for application A first(After completion) Then
application b .
Can any one explain me
Regards
Prakash
- 8
- How/Where the OldValuesParameters is retrived from?<asp:SqlDataSource ID="SqlDataSource1" runat="server"
ConnectionString="......." SelectCommand="SELECT * FROM [MyData]"
ConflictDetection="CompareAllValues" DeleteCommand="DELETE FROM [MyData]
WHERE [ID] = @original_ID AND [last_mod_time] = @original_last_mod_time "
OldValuesParameterFormatString="original_{0}">
<DeleteParameters>
<asp:Parameter Name="original_EID" Type="Int32" />
<asp:Parameter Name="original_last_mod_time" Type="DateTime" />
</DeleteParameters>
</asp:SqlDataSource>
with a FormView bound to that datasource(DataKey is ID), in the
ItemTemplate, there is no control that is bound from ID, nor Last_mod_time
but when deleteing, it fail to delete correctly, because the
@original_last_mod_time was empty(the viewing data has a last_mod_time),
while @original_ID has the correctID in it
so my question is, WHERE does the @original_ID come from? and why
@original_last_mod_time was empty?
thanks.
- 9
- Sub - what is the parameter typeI have the sub that is checking if value from the datareader is null. I
would like to pass textbox.text or dropdownbox.selectedvalue as first
parameter and value from data reader as a second parameter.
I cannot figure out what type is first parameter. (I am using ASP since
2 weeks and I don't know where to look for this kind of information)
Below is my sub. I would like to pass textbox.text(or
checkbox.selectedvalue) as objectname and datareader(data) as value.
Private Sub Check_Null(ByVal objectname As System.Object, ByVal value As
Object)
If IsDBNull(value) Then
objectname = ""
Else
objectname = value
Status.Text = objectname
End If
End Sub
Thank you
Arek
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- 14
- Loading JavaScript files from a class libraryI have a class library that contains web controls. I would like to put Java
script files in the class library and have the web application download the
Javascript from the classlibrary. I downloaded ASP/.Net AJAX and tried the
example in http://ajax.asp.net/docs/tutorials/EmbedScriptFile.aspx but I
can't get it to work. I can't find the assembly System.Web.Extensions. When
I try to build the classlibrary I get error messages saying that it cant find
UpdatePanel and ScriptManager.
Do you know where I can find the DLL for System.Web.Extensions? Will this
solve the problem? Has anyone gotten this to work?
- 15
- HtmlArea Editor any thoughtHi EveryBody:
I want to made an e-mail system by using asp.net web application in Vb.Net
2003,
I found something of What uou see is what you get editor system that called
html area, I hope if some body know about this system help me in the
following problem:
My proble Is When I put thefollowing called in the <Head></Head> area as they
told me in readme file:
<asp:TextBox id="TextBox1" style="Z-INDEX: 101; LEFT: 56px; POSITION:
absolute; TOP: 88px" runat="server"
Width="424px" Height="152px">
</asp:TextBox>
<script language="JavaScript1.2" defer>
editor_generate('TextBox');
</script>
I got nothing in my form of this editor.
So any one deal with that editor befor can tell me how to handel this problem.
Any help or redirection can be appreciated
regard's
Husam
<script language="Javascript1.2"><!-- // load htmlarea
_editor_url = "http://localhost/WebHusam/"; // URL to htmlarea files
var win_ie_ver = parseFloat(navigator.appVersion.split("MSIE")[1]);
if(navigator.userAgent.indexOf('Mac') >= 0) { win_ie_ver = 0; }
if(navigator.userAgent.indexOf('Windows CE') >= 0) { win_ie_ver = 0; }
if(navigator.userAgent.indexOf('Opera') >= 0) { win_ie_ver = 0; }
if(win_ie_ver >= 5.5) {
document.write('<scr' + 'ipt src="'+_editor_url+ 'editor.js"');
document.write('language="Javascript1.2"></scr' + 'ipt>');
} else { document.write('<scr'+'ipt>function editor_generate() { return
false;}
</scr'+'ipt>'); }
// --></script>
and also when I put this code in the text area:
- 15
- splitting field by commaDim SomeString As String = Replace(SomeOtherString, ",", VbCrLf)
--
HTH,
Kevin Spencer
.Net Developer
Microsoft MVP
Big things are made up
of lots of little things.
"Paola" <email***@***.com> wrote in message
news:email***@***.com...
> I have a field that I would like to split by commas. Does anyone know how
I can do this either by t-sql or vb? The ideal is for the detail.aspx page
to line break on each comma in the field. Please help!
>
> Paola
- 16
- How to pass simple parameters to a pageI know I can use the querystring mechanism to pass simple parameters to a
Page using Response.Redirect, but Im having problems getting this to work
using Server.Transfer or Server.Execute - is this by design ?
What is a simple alternative for passing optional parameters to a Page using
Server.Transfer or Server.Execute?
I don't want to store a session variable and check that in the called page -
too flaky.
|
| Author |
Message |
Alan Silver
|
 Posted: 2006-9-1 0:24:28 |
Top |
dotnet-framework-aspnet, How to do screen scraping where the site requires a log in
Hello,
I would like to pull some information off a site that requires a log in.
I have a subscription to a premium content site, and I would like to be
able to do a few automatic requests instead of having to load the site
manually in a browser.
I have seen plenty articles that explain how to do screen scraping in
.NET, others that describe how to do it via a POST, but I couldn't find
any that covered my scenario.
Basically the problem is that the code would first have to call the home
page, then fill in the log in entries and post the page back. Then, the
code would need to hang on to the cookie (which is what I assume they
are using) so that when it does another request (GET would be fine
here), the site will allow the request and not think the requester is
not logged in.
This all works fine in a browser, as the browser handles the cookie for
you, but the code examples I have seen seem to use completely stateless
requests (ie no cookies preserved), so it wouldn't work for a site like
this.
Any ideas? TIA
--
Alan Silver
(anything added below this line is nothing to do with me)
|
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alex_f_il
|
| Posted: 2006-9-6 1:23:00 |
Top |
dotnet-framework-aspnet >> How to do screen scraping where the site requires a log in
You can try SWExplorerAutomation (SWEA) (http:\\webunittesting.com).
Alan Silver wrote:
> Hello,
>
> I would like to pull some information off a site that requires a log in.
> I have a subscription to a premium content site, and I would like to be
> able to do a few automatic requests instead of having to load the site
> manually in a browser.
>
> I have seen plenty articles that explain how to do screen scraping in
> .NET, others that describe how to do it via a POST, but I couldn't find
> any that covered my scenario.
>
> Basically the problem is that the code would first have to call the home
> page, then fill in the log in entries and post the page back. Then, the
> code would need to hang on to the cookie (which is what I assume they
> are using) so that when it does another request (GET would be fine
> here), the site will allow the request and not think the requester is
> not logged in.
>
> This all works fine in a browser, as the browser handles the cookie for
> you, but the code examples I have seen seem to use completely stateless
> requests (ie no cookies preserved), so it wouldn't work for a site like
> this.
>
> Any ideas? TIA
>
> --
> Alan Silver
> (anything added below this line is nothing to do with me)
|
| |
|
| |
|
Alan Silver
|
| Posted: 2006-9-6 5:56:00 |
Top |
dotnet-framework-aspnet >> How to do screen scraping where the site requires a log in
In article <email***@***.com>,
email***@***.com writes
>You can try SWExplorerAutomation (SWEA) (http:\\webunittesting.com).
Thanks, looks interesting. The only shame is that I prefer to write my
own code rather than use someone else's. You don't get to understand
what's going on when you use a 3rd party app to do the grunt work.
>Alan Silver wrote:
>> Hello,
>>
>> I would like to pull some information off a site that requires a log in.
>> I have a subscription to a premium content site, and I would like to be
>> able to do a few automatic requests instead of having to load the site
>> manually in a browser.
>>
>> I have seen plenty articles that explain how to do screen scraping in
>> .NET, others that describe how to do it via a POST, but I couldn't find
>> any that covered my scenario.
>>
>> Basically the problem is that the code would first have to call the home
>> page, then fill in the log in entries and post the page back. Then, the
>> code would need to hang on to the cookie (which is what I assume they
>> are using) so that when it does another request (GET would be fine
>> here), the site will allow the request and not think the requester is
>> not logged in.
>>
>> This all works fine in a browser, as the browser handles the cookie for
>> you, but the code examples I have seen seem to use completely stateless
>> requests (ie no cookies preserved), so it wouldn't work for a site like
>> this.
>>
>> Any ideas? TIA
>>
>> --
>> Alan Silver
>> (anything added below this line is nothing to do with me)
>
--
Alan Silver
(anything added below this line is nothing to do with me)
|
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Index ‹ dotnet-framework-aspnet |
- Next
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but when they sign out and PRESS THE BACK BUTTON they can see the
previous page WHY?
Sub SignOut(objSender As Object, objArgs As EventArgs)
'delete the users auth cookie and sign out
System.Web.Security.FormsAuthentication.SignOut()
Session.Abandon()
Session.Remove("Context.User.Identity.Name")
'redirect the user to their referring page
Response.Redirect("logon.aspx?ReturnUrl=%2fFormsAuthAd%2fdefault.aspx")
End Sub
ANY IDEAS WHAT I'M DOING WRONG!
Thx
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- Capture hyperlink text propertyI have an aspx page (referred to here as page_1) with a datagrid whose first
column contains hyperlinks. When a user clicks one of these hyperlinks, he
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I've thought of using a hidden field and then calling
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this seems a bit much when a simpler solution may exist.
Does anyone have any other ideas?
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VB.NET/C#/ASP.NET/ASP/VB/C++/Web and DB development/VBA Automation
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- problem on downlaod zip file via asp net applicationwhen i try to download my zip file via my asp net program, the zip file will
be corrupted after i download, below is my code:
' Identify the file to download including its path.
Dim filepath As String = Server.MapPath("\eClinicApp\VISITD.ZIP")
' Identify the file name.
Dim filename As String = System.IO.Path.GetFileName(filepath)
Response.Clear()
' Specify the Type of the downloadable file.
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Response.ContentType = "application/octet-stream"
' Set the Default file name in the FileDownload dialog box.
Response.AddHeader("Content-Disposition", "attachment; filename="""
& filename & """")
' Download the file.
Response.WriteFile(filepath)
Response.Flush()
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- AddHandler VB.NET and ASP.NETHi,
I have created a simple Web User Control. It dynamically creates a table.
With a cell in the table, it creates a Button control set to run at the
server. I then call AddHandler and handle the Click event from the button
and raise it as an event within my User Control. This seems to be
happening, so much as it getting the RaiseEvent line, but it just does not
raise the event. There are no errors, it just carries on executing.
Is there an issue with dynamically adding controls to a user control and
wrapping their events in a single event in a User Control using VB.NET in
ASP.NET? If not, can someone post a sample on how to do so?
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- network (drive) access/impersonate identity problemI am experiencing difficulty access a mapped network drive in an ASP.NET
application.
While using the .Net framework v 1.1 implementation of
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This is true if the path specified uses a mapped drive letter or is
expressed as a UNC address. I have also tried the drive letter and UNC
paths with and without trailing backslashes, respectively.
No luck with ASP.NET, but it does work when I create a simple C# console
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ASP.NET. Funny thing is - no exception is returned. For all combinations,
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inconsistent with the System.Security thrown for things like trying to write
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The following knowledge base article:
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No windows event is logged either.
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the two references to it in the page are
bControl1
cobControl1
The control contains a dropdownlist that is populated from xml. I only
bind this data on page_load, not on subsequent postbacks (shouldn't
need to). Code to bind (where this.States is a dataset on the page)
is:
foreach(DataRow d in this.States.Tables[0].Rows)
{
string txt = d["abv"].ToString();
string val = d["abv"].ToString();
li = new ListItem(txt, val);
control.Items.Add(li);
}
control.DataBind();
I'm getting some REALLY strange behavior. The dropdownlist in
bControl1 maintains its values on postback, but the dropdownlist in
cobControl1 does not. I haven't found anything that says I can't have
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Sincerely,
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- Oracle Data Provider for .NETHello to everybody,
I hope this group is the correct one for posting my problem. If I've
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My problem:
I need to call an oracle function from a .NET application passing an
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Any help is welcome,
bye,
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- ASP.NET 2.0 hosting with ATLAS for personal homepagegood luck! If you find somewhere that does this could you let me know
im looking for the same thing but havent found anywhere that will do
this for less than 70
email***@***.com wrote:
> Hi,
>
> I'm looking for an ASP.NET 2.0 hosting with ATLAS to put my personal
> homepage. I don't want to spend more than 25€ / year (=32 USD). And
> of couse, I don't want add banners or popups.
>
> Anyone knows or has experience with a good one?
>
> Veerle
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- Why does button_click create duplicate webform ?"Lee Holsenbeck" <email***@***.com> wrote in message
news:email***@***.com...
> hi,
>
> i have a button_click event that reads selections from 1 listbox and moves
them to a second listbox, but when i click on the button; it creates a
duplicate of the current webforms and display the results in the duplicate.
> what setting have i changed/am i missing to make it repost back to the
current webform ?
Lee, please narrow this down to a small reproducer and post the code here.
I don't know of any reason why there would be a duplicate web form. In fact,
I don't know what you mean when you say "duplicate web form".
--
John Saunders
johnwsaundersiii at hotmail
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I want to dipslay a message box. The next line of my code is to
response.redirect to the next page. My problem is the program skipped to
display the message box, but only redirected to the new page. I'd like to
use a key to hold the message box and after press that key it will redirect
to the next page. Can I do that in ASP.NET ? Please help.
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Hi
I have a problem with my ViewStates in a userControl. The problem is that
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This is the code I use to add the User controll
Control Component1 = null;
Component1 = LoadControl("MyUC.ascx");
((MyUC)Component1).RapId = 0;
PlaceHolderForComponents.Controls.Add(Component1);
The UserControl contains some textboxes wich is viewstateenabled and
autopostbacks.
If i change the value in one of these textboxes in the UC and the above code
is placed in Page_Load every thing works fine, but if i place it in the
OnPreRender event all my change to my textboxes is discarded.
I simply Cant see why this should make the change disapear and i really hope
someone has a solution.
Best reagards
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- problem with multithreading and Web services method invocationHi:
I have an ASP.NET page which makes a synchronous Web services method
call. At the same time, however, I wanted it to load another page as an
iFrame (i've also tried as a javascript popup window) - this second
page is responsible for polling a DB and continually updating its text
box display.
The problem is that once the Web service call is initiated, the second
page becomes unresponsive exactly until the call is completed, when it
resumes. I'm baffled as to why this second page's request should have
anything to do with the first one's Web service request. I've tried to
encapsulate the time-consuming DB queries of the second page into a
separate thread and this works great (I tested it by printing a
timestamp to a file), but I also need a way of updating the display in
real-time while the Web services call is going through. Are there any
ideas as to how I can accomplish this?
- adh
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