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The unfortunately reality is that a truly anonymous peer-peer application used to be possible through the use of Broadcast packets however the potential abuse is too high.
Read up on Tor and Onion routers for a good look at anon. Peer to Peer.
Need a C# Consultant? I'm available.
Happiness in intelligent people is the rarest thing I know. -- Ernest Hemingway
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How can i load data from a comboBox into a datagrid.Basically the comboBox has a list of venues.When you select a venue the datagrid is supposed to display timeslots that are booked and those that are not booked for that particular venue.the data for the grid is taken from three different tables.(TimeSlot[with all the different timeslots]),(Venue[with all the different venues ])and (Timetable[with all the venues that are booked and the timeslots that they are booked for]).
Any code that will hep me with this problem will be greatly appreciated.
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Hy,I have a custom control that has a list of images. My problem is that i want to set the list at design-time. I have the images in my project resources, so why can I set an image at design-time,and not a list of images??
Please help,I am really stuck here.
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ctoma2005 wrote: I have a custom control that has a list of images. My problem is that i want to set the list at design-time.
Does your custom control publish a public ImageList property?
led mike
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Well i don't need an ImageList,that's a component. I just want a property that represents a list of images (List). The only thing I could think of is making the property of type Image[] and instantiate the array in the constructor, but I don't now the size of the array,that is why I need a List.
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Sorry for the misunderstanding, I wrote ImageList,thinking of an list of images. Thanks
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List doesn't have a control designer. Therefore, the designer doesn't know how to represent it in the designer. Roll your own collection class and define a control designer.
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Ok,but my problem is that the control is in a class library,so how can that assembly know what resources my application has? I don't understand how can there is no way of choosing a list of images. There is a UITypeEditor for every collection,but it doesn't work for images,as images don't have a constructor. I am really confused now, I mean a list of images can be used by hundreds of controls...
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Maybe if you can tell me how an Image Editor works,because all I really need is an Image Editor,wich lets me select multiple images (just like a listbox)
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Hi
I try to develop an Web Application to manage films (a little bit like ImDB)
For the Edit part, I fill textboxes with a Linq query (on loading).
No problem to display the information in the different textboxes
But when I want to save changes into the database,
my textboxes are empty (according to the debugger) even if I put a value in it.
A part of my code to do this edition :
Loading :
<br />
DBMovies_ClassesDataContext db = new DBMovies_ClassesDataContext();<br />
<br />
int IdFilm = int.Parse(Session["idfilm"].ToString());<br />
<br />
var editedfilm =<br />
(from f in db.Films<br />
where f.id == IdFilm<br />
select new { Title = f.title, Title_o = f.title_original, Language = f.language, DateRelease = f.date_release, Genre = f.genre, Runtime = f.runtime, Plot = f.plot, Country = f.country }).Single();<br />
<br />
<br />
txtCountry.Text = editedfilm.Country.ToString();<br />
txtDateRelease.Text = editedfilm.DateRelease.ToString();<br />
txtGenre.Text = editedfilm.Genre.ToString();<br />
txtLanguage.Text = editedfilm.Language.ToString();<br />
txtPlot.Text = editedfilm.Plot.ToString();<br />
txtRuntime.Text = editedfilm.Runtime.ToString();<br />
txtTitle.Text = editedfilm.Title.ToString();<br />
txtTitle_o.Text = editedfilm.Title_o.ToString();<br />
<br />
Code to update values in DB :
<br />
<br />
DBMovies_ClassesDataContext db = new DBMovies_ClassesDataContext();<br />
<br />
<br />
int IdFilm = int.Parse(Session["idfilm"].ToString());<br />
<br />
var updateFilm = (from f in db.Films<br />
where f.id == IdFilm<br />
select f).Single();<br />
<br />
<br />
updateFilm.country = form1.FindControl(txtCountry.ID).ToString();<br />
<br />
updateFilm.country = txtCountry.Text.ToString();<br />
updateFilm.title = txtTitle.Text.ToString();<br />
updateFilm.title_original = txtTitle_o.Text.ToString();<br />
updateFilm.language = txtLanguage.Text.ToString();<br />
if (txtDateRelease.Text != "") { updateFilm.date_release = DateTime.Parse(txtDateRelease.Text); }<br />
updateFilm.genre = txtGenre.Text.ToString();<br />
if (txtRuntime.Text != "") { updateFilm.runtime = Int32.Parse(txtRuntime.Text); }<br />
updateFilm.plot = txtPlot.Text.ToString();<br />
<br />
db.SubmitChanges();<br />
<br />
and an exemple of my textboxes :
<asp:label id="lblCountry" runat="server" text="Country : "></asp:label><br />
<asp:textbox id="txtCountry" runat="server"></asp:textbox>
All the elements are working well
It's just the empty textboxes which ruin everything
Thank you by advance
(and sorry if there are english mistakes)
Cedric.
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hi
i want to create custom pictureBox with panning and zooming functinallity, for start, i found this article :
http://www.codeproject.com/KB/GDI-plus/PanZoomExample.aspx[^]
but it's in Vb and when i convert it to c#, it take me some error(s) and i don't know what that error (because i don't know vb), can anyBody help me for this aim ? (article and sample code in c#)
thanks.
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The article provides a dll which you can add to your program as a reference and use classes inside it. No need to convert it in C#.
Giorgi Dalakishvili
#region signature
my articles
#endregion
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Hi, I am using a VC++ dll in which "GetNamedSecurityInfo" and "GetExplicitEntriesFromAcl" API are being used for accessing Shared folder rights and number of users.
This Dll is returning correct number of users when I am using it in a Windows Application.
But, it is returning number of users as 0(for the same folder), If I am using it from a Web Application.
Plz help !!!
DDeepali
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Hi All,
I am working on a project in which a person has to enter multiple data at the same time...
as there is a window have 3 text boxes like
Article Name
Article type
Price
... so a person can purchase mutiple article ...
i kept 3 buttons on this form as"ok"," submit ",cancel.
when you say ok it will save the data of respective field some here and wait for the next ok if again ok save both data some where and wait till untill submit or canncel...
if submit is pressed so the data have to be displayed as a report....
so where i can save this data .... i ll delete this file after every click of cancel or submit.
please help me here...
Thanks in advance..
T@SU
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hi,
use datagridview for store multiple item. Let me explain
when user click on first time ok button then it add a row in datagridview and store the value of all three field in three column. and when user click on ok button second time, then it adds one more row for this entry and so on.
after that when user click on submit button, your program check each row of datagridview and save info.
hope this helps
Rupesh Kumar Swami
Software Engineer,
Integrated Solution,
Bikaner (India)
My Company
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No i need not to show the record ...
i just need to save the data some where so that during printing the report i need to show the data..
as prices are there so i have to sum up all the prices for each article ...
like wise i have save the data ..
Thanks alot for ur reply..
vikas da
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sorry i forgate to tell u..
i dont want to use data base coz these are the temporary values...
as we are more in printing the value...
vikas da
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hi vikas,
you can off the visiblity of datagridview.and calculate the price by add the value of price related column. if you don't like this option, then you can choose two-dimensional array .
Rupesh Kumar Swami
Software Engineer,
Integrated Solution,
Bikaner (India)
My Company
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Hello everyone,
Any general rules/practices to avoid "ObjectDisposedException"-- System.ObjectDisposedException: Cannot access a disposed object?
thanks in advance,
George
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If the object provides IsDisposed property, check that.
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Thanks N a v a n e e t h,
I agree and understand it works. But is it an elegant way? Since for every operation I need to check IsDisposed to be true or false?
Do you have any other ideas?
regards,
George
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George_George wrote: Since for every operation I need to check IsDisposed to be true or false?
You should dispose the object only when you finish using it. If you have still work with that object, keep it alive, don't dispose. Correct me if I haven't got your question.
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Thanks N a v a n e e t h,
I am in a multi-threaded environment, some thread will dispose the object, when some other threads executing method on the object, it will have such exception.
Any advice to my situation to resolve this exception?
regards,
George
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Means your code is not thread safe. Here is my suggestions
1 - Create new instance of the disposable object for each thread. So it can dispose when it finishes.
2 - If you are sharing the same disposable instance, use some kind of synchronization mechanism to ensure no threads are disposing it when another one uses.
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