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Hi,
I have implemented virtual mode alright, but i guess that makes the automatic sorting of DataGridView disable. Does anyone know how to implement sorting with Virtual mode?
Thanks
Mubashir
Software Architect
Storan Technologies Inc, USA
Every job is a self portrait of the person who did it.
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I haven't tried it, but I don't think you can do this without requerying the database for the sorted record set. Virtual mode doesn't load the entire dataset all at once so I don't think it can sort what it doesn't know about.
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error I got is "no value given for one or more required parameters"
in cmd.CommandText, I tried <"SELECT Res FROM WordList WHERE Src='" & mtxt & "'">, and tried <"SELECT Res FROM WordList WHERE Src='test'">, both doesn't work
but it runs fine if I use <"SELECT * FROM WordList"> but this is not what I wanted.
Here's my code
Dim conn As New OleDb.OleDbConnection
Dim cmd As New OleDb.OleDbCommand
conn.ConnectionString = "Jet OLEDB:Global Partial Bulk Ops=2;Jet OLEDB:Registry Path=;Jet OLEDB:Database L" & _
"ocking Mode=1;Data Source=""dictdb.mdb"";Jet OLEDB:Engine Type=5;Provider=""Micr" & _
"osoft.Jet.OLEDB.4.0"";Jet OLEDB:System database=;Jet OLEDB:SFP=False;persist secu" & _
"rity info=False;Extended Properties=;Mode=Share Deny None;Jet OLEDB:Encrypt Data" & _
"base=False;Jet OLEDB:Create System Database=False;Jet OLEDB:Don't Copy Locale on" & _
" Compact=False;Jet OLEDB:Compact Without Replica Repair=False;User ID=Admin;Jet " & _
"OLEDB:Global Bulk Transactions=1"
' ^ Connection string copied from wizard, so this line is fine
conn.Open()
cmd.Connection = conn
cmd.CommandText = "SELECT Res FROM WordList WHERE Src = ?" 'I think error must be from this line
cmd.Parameters.Add(New OleDb.OleDbParameter("", mtxt)) 'or from this line
Dim rdr As OleDb.OleDbDataReader = cmd.ExecuteReader(CommandBehavior.CloseConnection) 'error was thrown in this line at ExecuteReader
rdr.Read()
txtRes.Text = rdr.GetString(0)
rdr.Close()
Anybody know what's wrong?
Thanks in advance
-- modified at 7:07 Saturday 12th May, 2007
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Have you two columns named Res and Src in your table?
If the answer is Yes then try to surround, in you query, those column names with square brackets, i.e. [Res], [Src].
If the Lord God Almighty had consulted me before embarking upon the Creation, I would have recommended something simpler.
-- Alfonso the Wise, 13th Century King of Castile.
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hi friends,
please can anyway one help me if i can modify a file.
i mean delete some sentences from it and save it
without writing its content to another file and then overwrite it?
emma
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Well u can use..
<br />
System.IO.File.ReadAllLines OR<br />
System.IO.File.ReadAllText <br />
then Modify string
and then write using
<br />
System.IO.File.WriteAllLines OR<br />
System.IO.File.WriteAllText <br />
Bt keep in mind this will overwrite the file.
"If our Mind can, the Program can !!" ≡ ░Ŗǿђầŋ٭ ≡
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thanks
u know what i've tried it but it works just fine for small files as for big ones it's not very helpfull anyother way?
emma
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imanos wrote: helloooooooooooooooooo its urgent
That sort of subject is not helpful, it doesn't describe your problem at all.
imanos wrote: i mean delete some sentences from it and save it
without writing its content to another file and then overwrite it?
To do this, use System.IO.File.ReadAllText to read the file, modify it in memory, then use File.WriteAllText to save it again.
Christian Graus - Microsoft MVP - C++
Metal Musings - Rex and my new metal blog
"I am working on a project that will convert a FORTRAN code to corresponding C++ code.I am not aware of FORTRAN syntax" ( spotted in the C++/CLI forum )
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Christian Graus wrote: imanos wrote:
helloooooooooooooooooo its urgent
That sort of subject is not helpful, it doesn't describe your problem at all.
No it doesn't. Even if he says it outside a Port-a-Potty with a guy taking a long time inside 
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well thanks,
ill clear it, i have 2 files and i want to delete the words in the first one from the second one
knowing that i don't want to create new file and write the old one again without the unwanted words
i.e. i want to modify the file and save it
emma
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imanos wrote: i don't want to create new file and write the old one again
Why not? Just create a temporary file with the new list of wanted words, rename the original first file, and rename the temporary file to the original name of the first file...
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what is vb.net code for search the value in datagrid by select the value in combo box in vb.net windows application
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Google broken where you live ? Please don't post heaps of questions, consolidate them to one. They all seem related, anyhow.
Try this[^]
Christian Graus - Microsoft MVP - C++
Metal Musings - Rex and my new metal blog
"I am working on a project that will convert a FORTRAN code to corresponding C++ code.I am not aware of FORTRAN syntax" ( spotted in the C++/CLI forum )
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what is vb.net code for delete a record in datagrid using vb.net windows application
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you should use events of datagrid
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what is vb.net code for changing the values in datagrid and save the changed values in datagrid in vb.net windows application
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hi
I dont know that,this is the right forum to ask this question
i am developing a sample aplication in EXcel, i just placed button i got the click event how can i retrive values from the cell to VB
My small attempt...
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sujithkumarsl wrote: hi
I dont know that,this is the right forum to ask this question
i am developing a sample aplication in EXcel, i just placed button i got the click event how can i retrive values from the cell to VB
My small attempt...
in excel right click on button , select assign macro...
create new macro->edit or view code (as per your office version)
and write vb code
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Hi,
How do i run win32 api in a vb.net program, i declared shell execute function and tried to call it from my form. but it says unmanaged call is trying to run from managed code and something about PInvoke too.
please advice me
Vilsad P P
MCTS (Windows Applications) .Net 2.0
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Process.Start will do that for you. In general, www.pinvoke.net is the place to find out how to call Win32 APIs
Christian Graus - Microsoft MVP - C++
Metal Musings - Rex and my new metal blog
"I am working on a project that will convert a FORTRAN code to corresponding C++ code.I am not aware of FORTRAN syntax" ( spotted in the C++/CLI forum )
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the .net framework base class Imports System.Runtime.InteropServices will be remedy of this problem?????
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Saying ShellExecute 0&,"Open",filepath,0&,0&,3 is what i want to execute. how can i do it with Process.Start ?
can you show me an example?
Thanks for your advice
Vilsad P P
MCTS (Windows Applications) .Net 2.0
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If you want to call a specific function.. u can call as
<br />
[DllImport("USER32.DLL")]<br />
public static extern int SendMessage(int hwnd, int msg, int character, String text);<br />
<br />
"If our Mind can, the Program can !!" ≡ ░Ŗǿђầŋ٭ ≡
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I am writting software for my company in which the program needs to generate an Excel file without using excel. I've figured that part out by using the XML format for excel. However, I was wondering if there was a way to pring the files (preferrably sheet by sheet) without having excel installed? Or is there a way to convert the XLS files into a PDF? Any help in the right direction would be appreciated.
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AFAIK, all the ways to read or work with an XLS files require Excel installed
Christian Graus - Microsoft MVP - C++
Metal Musings - Rex and my new metal blog
"I am working on a project that will convert a FORTRAN code to corresponding C++ code.I am not aware of FORTRAN syntax" ( spotted in the C++/CLI forum )
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