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The functions you are using are just helper functions for correct string manipulation.
You should use either
File.Move(filename, Path.ChangeExtension(filename, "old"));
or
new FileInfo(filename).MoveTo(Path.ChangeExtension(filename, "old"));
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Thanks Robert,
this is the code i used and it works perfectly
<br />
string filename = lboxFiles.Items[x].ToString();<br />
new FileInfo(filename).MoveTo(Path.ChangeExtension(filename,cmbxRenExt.SelectedItem.ToString()));<br />
One question though,if i use the MoveTo isnt it bit slower than actually just renaming the extension because now it moves over replacing every file?
the reason im asking is because i have to scan and change over 500000 file extensions lol...
Thanks for ur help i really appreciate it...
Regards
GermanD
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Move is intelligent. As long as you remain on the same drive Move is not really moving all bits of a file but is just changing an entry somewhere in the file system. It's like in Explorer. There you can also 'move' files between directories with nearly no time loss.
But 500000 will nevertheless take some time probably.
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U right
Thanks alot Robert i really appreciate the help u give me
Regards
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I have been asked to investigate the possibility of writing a "virtual printer driver", so that we can distribute to our customers to enable them to print-to from any third-party software and allow us to generate an XML file output with text and some "information" about some graphics!
If anyone can direct me towards either some URL's or books etc, that can assist in the development of printer drivers I would be very appeciative of them  Any advise on the matter would also be appreciated, especially if you have written printer drivers before.
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I'm fairly sure that it is impossible to write a driver in C# at this point. Check the C++ forum instead.
John
"You said a whole sentence with no words in it, and I understood you!" -- my wife as she cries about slowly becoming a geek.
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Hi,
I want to add a spell checking textbox to a c# project I have, is this possible? I have all the relevant software (WinFX runtime, extensions for VS2005 Express etc.) but there is no way to enable the textbox.IsSpellCheckEnabled property I have read about.
Is it possible to make a custom WinFX control which is a spellchecked textbox, then add that to my project? If so is there any documentation on how to achieve this?
thanks!
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Hey tecchies,
For a project I'm working on that moment, we need to create a new database in Sql Server 2005 (to make use of the native xml datatype). One of the things which seems to be plugged a bit in 2005 is the use of managed code stored procedures.
Has anyone had any experience of writing and using these? Can you advise on their advantages and of any difficulties you may have encoutered? I'm no database expert, but I would have thought that they would lack the 'execution plan' which standard stored procedures provides. In fact, I can't see a great deal of point of this new technology.
Any views/experiences would be welcome.
Thanks
Regards,
Rob Philpott.
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Rob Philpott wrote: I'm no database expert, but I would have thought that they would lack the 'execution plan' which standard stored procedures provides. In fact, I can't see a great deal of point of this new technology.
There are many things you can do with C# that you cannot do in SQL, or is very difficult in SQL.
As Microsoft have said on countless occasions, CLR integration in SQL Server does not mean you can ditch SQL and replace everything with C# code. The CLR integration is for doing stuff that is difficult or impossible to do in SQL directly. It can also be used for creating custom types in SQL Server.
For me, I've not yet tried any of this yet. I'm waiting until I hit something that is obviously crying out for CLR integration to make it run great. However, I've not found it yet.
ColinMackay.net
"Man who stand on hill with mouth open will wait long time for roast duck to drop in." -- Confucius
"If a man empties his purse into his head, no man can take it away from him, for an investment in knowledge pays the best interest." -- Joseph E. O'Donnell
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I have a ListView controls with 10 ListViewItems with checkbox. Now when I list the Items, I need to disable or make read-only the 5th item so that I will not be able to select the that item. How can i do this?
Thanks
Warm Regards
Prakash-B
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HI, I have the same problem. Just wonder if you have got any answer for it?
Thanks
Best Regards
Chibi Maruko S
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you can use the selectedcell property of the datagrid to get
the data within a particular cell.
Thanks
Pramod
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myDataGrid[rowIndex, colIndex]
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Ok i was find it this way but thank's for answare.bye
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Hello All,
I just want to know how to license a software written in .Net?
How to implement different licensines? for example a trial version which runs only for a few days like 15-30 days and after that the user have to register it? how to generate the keys?
Any help will be greatly appreciated. Thanks alot
Best Regards,
Rizwan Ahmed.
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Depending on how safe you want your license to be making it yourself can be very complicated.
There are several commercial components which do what you need. One of them is this[^] on.
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I have developed an windows service in C# the working of service is to fetch data from database generate some messages and store those messages in database.
The problem i am faceing is the memory consumption of my service is very it goes upto 2GB and due to this the system hangs.
I have disposed all the objects and also i am invoking garbage collector after
specific amount of time but the memory still increse.
The service is running on Windows-2003 server.
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swapnilk78 wrote: I have disposed all the objects
You're missing something somewhere. You're going to have to profile your code with something like CLRProfiler to get its memory consumption.
swapnilk78 wrote: i am invoking garbage collector after
You just about NEVER have to do this. Did you know that your entire application, ALL of it's threads, come to a complete halt when the garbage collector runs? Still think this is a good idea?
RageInTheMachine9532
"...a pungent, ghastly, stinky piece of cheese!" -- The Roaming Gnome
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I have already profiled my code using .Net Memory profiler, Ants profiler and also CLR profiler
and changed my code according to the results of above profilers.
Is there something another way by which i can come to know which objects are in memory and not getting disposed
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The CLR Profiler will tell you, if you know how to read it.
RageInTheMachine9532
"...a pungent, ghastly, stinky piece of cheese!" -- The Roaming Gnome
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im using a js function to dynamically fill a dropdown.
im using document.getElementById('dd') for getting the id of the select box.
first it was working properly and now not.
document.getElementById('dd') retuning a null and previosly it was returning a object. so im not getting the binding.
what could be the problem 
sathy
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Have you checked the source of the page? What id does the dropdown get?
If you moved the dropdown inside a container, the id can change.
---
b { font-weight: normal; }
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thanx a lot Guffa
Guffa wrote: Have you checked the source of the page? What id does the dropdown get?
the id for the select tag is 'dd' only ...
Guffa wrote: If you moved the dropdown inside a container, the id can change.
i cant get this above point ???
i dunno why im gettin that null ...
sathy
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Well, if the id in the tag is correct, then there has to be something else in your code that causes the problem.
Do you have any other element with the same id?
imsathy wrote: i cant get this above point ???
If you put the dropdown in a user control, for an example, with the id "froglegs", the dropdown would get the id "froglegs_dd". If you put the dropdown in a repeater, each dropdown created would get a unique id, like "Ctrl_42".
---
b { font-weight: normal; }
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