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ddinesh,
.NET doesn't supply a control if thats what you want. You will have to write your own implementation or get a 3rd party (www.yworks.com). Theres also examples on here, have a search in the articles section.
Regards,
Gareth.
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Hello, I have the need in my project to add a "print-a-report" utility using Crystal Reports and the end-user must be able to customize the report's design visually, much like Visual Studio allows the developer to do.
I don't have any experience with Crystal Reports and I was wondering if there was any (free) component or something to allow the end-users to change the appearance of the document or if building it oneself is the only option available, cuz I didn't find anything googling around.
Thanks in advance.
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Thanks, but that's not quite what I need; this only browses through the properties of the instance itself, while I actually want the end-user to visually edit the appearance of the report using some kind of designer tool, just like Visual Studio or Access when you open a report with it.
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If you are using SQL Server 2005 or above, you may want to take a look at Report Builder[^]. It is a component of the suite, in the form of a ClickOnce application that is intended for allowing end users to create/customize reports on SQL Server Reporting Services. A google search will net you a bunch more information.
Hope that helps to get you started. 
--Jesse "... the internet's just a big porn library with some useful articles stuck in." - Rob Rodi
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Why, that's interesting, didn't know about it, thanks. Alas, that's not exactly what I'm looking for.
I don't want the user to actually "generate" the report itself (the data will always be the same), but rather to be able to edit just the appearance of the document to print, so they can create and select multiple report "models" or "styles" once the report itself is already generated.
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Can any one explain me how this licensing is done. i mean how do we generate the key and use it in the software. it would be of great help if any one can explain me this process in detail.
thank you
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Depends entirely on you. There's plenty of obvious ways to do it, from the simple way of hard coding the license key in the program and checking if it matches, to using an algorithm to check if the key entered is valid, to using online licensing to validate a machine as being a valid license.
Christian Graus
Please read this if you don't understand the answer I've given you
"also I don't think "TranslateOneToTwoBillion OneHundredAndFortySevenMillion FourHundredAndEightyThreeThousand SixHundredAndFortySeven()" is a very good choice for a function name" - SpacixOne ( offering help to someone who really needed it ) ( spaces added for the benefit of people running at < 1280x1024 )
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I'm currently using DateTime.TryParse() on a text field with the format DD/MM/YY. I noticed that the default behaviour of TryParse() was rather fortuitously turning 08 into 2008. Which got me thinking (apart from - next time I'll use a field with YYYY) - how does TryParse decide which century to use? I can't find anything on MSDN, and an initial Google search turned up nothing. Can anyone satisfy my curiosity and tell me the "rules" that are used? My gut feeling is that it's tucked away in the Culture settings somehow...
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Why not download Reflector and find out for yourself? This is a fantastic tool that is invaluable if you want to find out how things work rather than just accepting that they do.
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looking at one implementation rather than reading the documentation[^] 
Luc Pattyn [Forum Guidelines] [My Articles]
This month's tips:
- before you ask a question here, search CodeProject, then Google;
- the quality and detail of your question reflects on the effectiveness of the help you are likely to get;
- use PRE tags to preserve formatting when showing multi-line code snippets.
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Luc Pattyn wrote: looking at one implementation rather than reading the documentation[^]
More a general hint that there are other options. Sure - read the documentation, but don't accept that it's right - actually research for yourself. After all, the MSDN is well known for its accuracy and consistency. 
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Thanks for taking the time to have a look - I didn't find/see a link to this documentation in the msdn documentation on TryParse(), but unfortunately this documentation doesn't answer my initial question. When I get a little time today, I will attempt to follow Mr O'Hanlon's suggestion. (I have avoided Reflector in the past as it seemed a bit scary)
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Neophyte30 wrote: I didn't find/see a link to this documentation
DateTime.TryParse() has an overload that takes a IFormatProvider parameter and puts you
in charge of what is acceptable and what is not.
Luc Pattyn [Forum Guidelines] [My Articles]
This month's tips:
- before you ask a question here, search CodeProject, then Google;
- the quality and detail of your question reflects on the effectiveness of the help you are likely to get;
- use PRE tags to preserve formatting when showing multi-line code snippets.
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Everyone must have used Gtalk..
I want to know that when chat messages arrive in gtalk, one animated notification pops up near the system tray..
How to achive that?
Will C# help?
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ptr2void wrote: Everyone must have used Gtalk..
Nope. I haven't.
ptr2void wrote: I want to know that when chat messages arrive in gtalk, one animated notification pops up near the system tray..
I assume that this is implemented by creating a NotifyIcon control. Use a timer that fires periodically, checks to see if there are any messaged and updates the NotifyIcon.Icon property accordingly.
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I'm in need of some assistance i finish creating an DataGridView and it gets DirectoryInfo from the desginated Directory
my code looks as following:
private void ReceivedFiles_InitColumns(ref DataGridView value)<br />
{<br />
value.Columns.Clear();<br />
dgv.AutoGenerateColumns = false;<br />
<br />
DataGridViewTextBoxColumn col = DataGridView_CreateColumn();<br />
col.DataPropertyName = "FullName";<br />
col.Name = "Naam";<br />
col.ReadOnly = true;<br />
value.Columns.Add(col);<br />
<br />
DataGridViewTextBoxColumn col1 = DataGridView_CreateColumn();<br />
col1.DataPropertyName = "extension";<br />
col1.Name = "Extensie";<br />
col1.ReadOnly = true;<br />
value.Columns.Add(col1);<br />
<br />
DataGridViewTextBoxColumn col2 = DataGridView_CreateColumn();<br />
col2.DataPropertyName = "LastAccessTime";<br />
col2.Name = " Laast Gebruikt";<br />
col2.ReadOnly = true;<br />
value.Columns.Add(col2); <br />
}
Tough now i need when i select and item from the DataGridView that i can remove an entry.
i already tryed :
private void btnDel_Click(object sender, EventArgs e)<br />
{<br />
dgv.Rows.Remove(dgv.Rows[dgv.RowCount -1]);<br />
}<br />
but that doenst work because i need IBindingList
if someone know how to get and remove entry function or some advise on how i could change my code so it works i appricate it
Thanks in Advance
Ben
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foreach (DataGridViewRow selectedrow in dgv.SelectedRows)
if (!selectedrow.IsNewRow)
dgv.Rows.Remove(selectedrow);
This will remove all the selected items.
bdiepeveen wrote: dgv.Rows.Remove(dgv.Rows[dgv.RowCount -1]);
I think you're getting an error because you're trying to delete the new row which is the last row.
Eslam Afifi
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Thanks for helping,
I used it and ran an quick test i keep getting the IBindingList error
Is there an way that i can create or connect IBindingList to my DataGridView code?
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You're welcome.
How are you filling the data? Can you provide more information about the exception? If possible, post all code related to this DataGridView.
Eslam Afifi
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<br />
private void ReceivedFiles_InitColumns(ref DataGridView value)<br />
{<br />
value.Columns.Clear();<br />
dgv.AutoGenerateColumns = false;<br />
<br />
DataGridViewTextBoxColumn col = DataGridView_CreateColumn();<br />
col.DataPropertyName = "FullName";<br />
col.Name = "Naam";<br />
col.ReadOnly = true;<br />
value.Columns.Add(col);<br />
<br />
DataGridViewTextBoxColumn col1 = DataGridView_CreateColumn();<br />
col1.DataPropertyName = "extension";<br />
col1.Name = "Extensie";<br />
col1.ReadOnly = true;<br />
value.Columns.Add(col1);<br />
<br />
DataGridViewTextBoxColumn col2 = DataGridView_CreateColumn();<br />
col2.DataPropertyName = "LastWriteTime";<br />
col2.Name = " Laast Gebruikt";<br />
col2.ReadOnly = true;<br />
value.Columns.Add(col2);<br />
<br />
}<br />
<br />
private DataGridViewTextBoxColumn DataGridView_CreateColumn()<br />
{<br />
return new DataGridViewTextBoxColumn();<br />
}<br />
<br />
private void btnOntvang_Click(object sender, EventArgs e)<br />
{<br />
ReceivedFiles_InitColumns(ref dgv);<br />
<br />
DirectoryInfo di = new DirectoryInfo(@"C:\Test");<br />
dgv.DataSource = di.GetFiles();<br />
<br />
}<br />
Thats everything releated to the datagridview.
the // parts are what i already tryed but i get the IbindingList Exception
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bdiepeveen wrote: dgv.DataSource = di.GetFiles();
That's where everything goes wrong. You're binding the grid to an array. Arrays do not impliment the IBindingList interface.
You should put your data in a data structure that implement the IBindingList. You should put your data in a DataTable and then use it as the DataSource of the DataGridView.
Eslam Afifi
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hi,
i’m showing report on basis of dropdownlist(Bar/pie) but it shows only 1st time(correct), second time it not show second report,but shows data in 1st report only why ?
plz check my following code & guide me to solve this
ReportViewer1.ProcessingMode = ProcessingMode.Local
If DropChartType.SelectedValue = “Bar” Then
ReportViewer1.LocalReport.ReportPath = “Report1.rdlc”
ElseIf DropChartType.SelectedValue = “Pie” Then
ReportViewer1.LocalReport.ReportPath = “Report2.rdlc”
End If
ReportViewer1.LocalReport.DataSources.Clear()
ReportViewer1.LocalReport.DataSources.Add(reportDSCab)
ReportViewer1.DataBind()
ReportViewer1.DocumentMapCollapsed = True
ReportViewer1.LocalReport.Refresh()
ReportViewer1.Visible = True
bhushan
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Hello Everyone.
I am creating a custom control. I need to add, amongst its properties, a bunch of lists.
One of those is a list of System.Drawing.Color objects.
I create the property as usual:
<br />
private List<System.Drawing.Color> _Colors = new List<System.Drawing.Color>();<br />
public List<System.Drawing.Color> Colors<br />
{<br />
get { return _Colors; }<br />
set { _Colors = value; }<br />
}
This, however, seems not to get the things done quite right. Actually, I get this error:
<br />
Cannot create an object of type 'System.Collections.Generic.List`1[[System.Drawing.Color, System.Drawing, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a]]' from its string representation '(Collection)' for the 'Colors' property.<br />
Do I need to add something to my code to have this property working?
Thanks in advance - any help would be much appreciated.
Rey9999
~~~ From Milano to The Hague, easy as it goes ~~~
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I think this means you have a control you can serialise, and you can't serialise a list of colors.
Christian Graus
Please read this if you don't understand the answer I've given you
"also I don't think "TranslateOneToTwoBillion OneHundredAndFortySevenMillion FourHundredAndEightyThreeThousand SixHundredAndFortySeven()" is a very good choice for a function name" - SpacixOne ( offering help to someone who really needed it ) ( spaces added for the benefit of people running at < 1280x1024 )
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