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ValueChanged event NOT being fired when setting NumericUpDown.Value property

Hi,

I am setting the NumericUpDown .Value property and the ValueChanged event
is NOT being fired. Does this ONLY get fired when I change it on the UI and
not programatically?

Thanks
Jul 21 '05 #1
21 9797
<di********@discussion.microsoft.com> wrote:
I am setting the NumericUpDown .Value property and the ValueChanged event
is NOT being fired. Does this ONLY get fired when I change it on the UI and
not programatically?


I'm not seeing the behaviour you've described. For instance:

using System;
using System.Windows.Forms;

class Test
{

static void Main()
{
NumericUpDown nud = new NumericUpDown();
nud.ValueChanged += new EventHandler (SayHello);
nud.Value = 20m;
}

static void SayHello (object sender, EventArgs e)
{
Console.WriteLine ("Hello");
}
}

displays "Hello" as expected.

Could you produce a similar short but complete program which
demonstrates the problem?

--
Jon Skeet - <sk***@pobox.com>
http://www.pobox.com/~skeet
If replying to the group, please do not mail me too
Jul 21 '05 #2
I have the control in a PANEL and its got Panel.Enabled = false, then while
its in the false state I update the NumericUpDown.Value property and its
not firing. Does it only fire when its in an Enabled container?
"Jon Skeet [C# MVP]" <sk***@pobox.com> wrote in message
news:MP************************@msnews.microsoft.c om...
<di********@discussion.microsoft.com> wrote:
I am setting the NumericUpDown .Value property and the ValueChanged event is NOT being fired. Does this ONLY get fired when I change it on the UI and not programatically?


I'm not seeing the behaviour you've described. For instance:

using System;
using System.Windows.Forms;

class Test
{

static void Main()
{
NumericUpDown nud = new NumericUpDown();
nud.ValueChanged += new EventHandler (SayHello);
nud.Value = 20m;
}

static void SayHello (object sender, EventArgs e)
{
Console.WriteLine ("Hello");
}
}

displays "Hello" as expected.

Could you produce a similar short but complete program which
demonstrates the problem?

--
Jon Skeet - <sk***@pobox.com>
http://www.pobox.com/~skeet
If replying to the group, please do not mail me too

Jul 21 '05 #3
<di********@discussion.microsoft.com> wrote:
I have the control in a PANEL and its got Panel.Enabled = false, then while
its in the false state I update the NumericUpDown.Value property and its
not firing. Does it only fire when its in an Enabled container?


If you look at the example I posted, it's not in a container at all.

--
Jon Skeet - <sk***@pobox.com>
http://www.pobox.com/~skeet
If replying to the group, please do not mail me too
Jul 21 '05 #4
Mine is.

"Jon Skeet [C# MVP]" <sk***@pobox.com> wrote in message
news:MP***********************@msnews.microsoft.co m...
<di********@discussion.microsoft.com> wrote:
I have the control in a PANEL and its got Panel.Enabled = false, then while its in the false state I update the NumericUpDown.Value property and its not firing. Does it only fire when its in an Enabled container?


If you look at the example I posted, it's not in a container at all.

--
Jon Skeet - <sk***@pobox.com>
http://www.pobox.com/~skeet
If replying to the group, please do not mail me too

Jul 21 '05 #5
<di********@discussion.microsoft.com> wrote:
Mine is.


How relevant is that? You asked whether the event only fired when it's
in an Enabled container. I pointed out that my example doesn't use a
container at all, so the answer to your question is clearly "no".

Now, as I said before, the best way of resolving this is for you to
come up with a short but complete program which demonstrates the
problem.

See http://www.pobox.com/~skeet/csharp/complete.html for what I mean by
that.

--
Jon Skeet - <sk***@pobox.com>
http://www.pobox.com/~skeet
If replying to the group, please do not mail me too
Jul 21 '05 #6
If the Container is disabled then the control is disabled. Disabled controls
normally do not fire events.

<di********@discussion.microsoft.com> wrote in message
news:%2****************@TK2MSFTNGP10.phx.gbl...
Mine is.

"Jon Skeet [C# MVP]" <sk***@pobox.com> wrote in message
news:MP***********************@msnews.microsoft.co m...
<di********@discussion.microsoft.com> wrote:
I have the control in a PANEL and its got Panel.Enabled = false, then while its in the false state I update the NumericUpDown.Value property and its not firing. Does it only fire when its in an Enabled container?


If you look at the example I posted, it's not in a container at all.

--
Jon Skeet - <sk***@pobox.com>
http://www.pobox.com/~skeet
If replying to the group, please do not mail me too


Jul 21 '05 #7
Its very relevant because the event is NOT firing with it in a disabled
container.

"Jon Skeet [C# MVP]" <sk***@pobox.com> wrote in message
news:MP************************@msnews.microsoft.c om...
<di********@discussion.microsoft.com> wrote:
Mine is.


How relevant is that? You asked whether the event only fired when it's
in an Enabled container. I pointed out that my example doesn't use a
container at all, so the answer to your question is clearly "no".

Now, as I said before, the best way of resolving this is for you to
come up with a short but complete program which demonstrates the
problem.

See http://www.pobox.com/~skeet/csharp/complete.html for what I mean by
that.

--
Jon Skeet - <sk***@pobox.com>
http://www.pobox.com/~skeet
If replying to the group, please do not mail me too

Jul 21 '05 #8
Is that the desired logical behaviour because I am updating a value , its
logically changed but yet its not notified to all subscribers that its
changed. Doesnt smell right to me.


"Mick Doherty"
<EX***********@AND.REMOVE.SQUAREBRACKETS.[mdaudi100#ntlworld.com]> wrote in
message news:uI**************@TK2MSFTNGP12.phx.gbl...
If the Container is disabled then the control is disabled. Disabled controls normally do not fire events.

<di********@discussion.microsoft.com> wrote in message
news:%2****************@TK2MSFTNGP10.phx.gbl...
Mine is.

"Jon Skeet [C# MVP]" <sk***@pobox.com> wrote in message
news:MP***********************@msnews.microsoft.co m...
<di********@discussion.microsoft.com> wrote:
> I have the control in a PANEL and its got Panel.Enabled = false,
then while
> its in the false state I update the NumericUpDown.Value property
and its
> not firing. Does it only fire when its in an Enabled container?

If you look at the example I posted, it's not in a container at all.

--
Jon Skeet - <sk***@pobox.com>
http://www.pobox.com/~skeet
If replying to the group, please do not mail me too



Jul 21 '05 #9
As a workaround for this illogical behaviour, I fire the event myself after
i change the property.

Having them NOT fire events when disabled yet theyre still changing doesnt
seem logical at all. In fact I would say its giving incorrect values as the
subscribers think its one value yet its actually NOT that value because its
changed but no event to notify them.
<di********@discussion.microsoft.com> wrote in message
news:Ow**************@TK2MSFTNGP12.phx.gbl...
Is that the desired logical behaviour because I am updating a value , its
logically changed but yet its not notified to all subscribers that its
changed. Doesnt smell right to me.


"Mick Doherty"
<EX***********@AND.REMOVE.SQUAREBRACKETS.[mdaudi100#ntlworld.com]> wrote in message news:uI**************@TK2MSFTNGP12.phx.gbl...
If the Container is disabled then the control is disabled. Disabled

controls
normally do not fire events.

<di********@discussion.microsoft.com> wrote in message
news:%2****************@TK2MSFTNGP10.phx.gbl...
Mine is.

"Jon Skeet [C# MVP]" <sk***@pobox.com> wrote in message
news:MP***********************@msnews.microsoft.co m...
> <di********@discussion.microsoft.com> wrote:
> > I have the control in a PANEL and its got Panel.Enabled = false, then while
> > its in the false state I update the NumericUpDown.Value property and its
> > not firing. Does it only fire when its in an Enabled container?
>
> If you look at the example I posted, it's not in a container at all.
>
> --
> Jon Skeet - <sk***@pobox.com>
> http://www.pobox.com/~skeet
> If replying to the group, please do not mail me too



Jul 21 '05 #10
<di********@discussion.microsoft.com> wrote:
Its very relevant because the event is NOT firing with it in a disabled
container.


But it's not relevant to your question of whether the event is only
fired when it's in an Enabled container. My code answered that question
- the answer is "no".

However, here's another piece of code which shows that in fact a
control doesn't have to be enabled to fire an event, either:

using System;
using System.Windows.Forms;

class Test
{

static void Main()
{
NumericUpDown nud = new NumericUpDown();
nud.ValueChanged += new EventHandler (SayHello);
nud.Enabled = false;
nud.Value = 20m;
}

static void SayHello (object sender, EventArgs e)
{
Console.WriteLine ("Hello");
}
}

Until you produce a complete example, it's going to be very hard to
help you further.

--
Jon Skeet - <sk***@pobox.com>
http://www.pobox.com/~skeet
If replying to the group, please do not mail me too
Jul 21 '05 #11
My problem is its not firing when its in a disabled container, thats the
issue here.


"Jon Skeet [C# MVP]" <sk***@pobox.com> wrote in message
news:MP************************@msnews.microsoft.c om...
<di********@discussion.microsoft.com> wrote:
Its very relevant because the event is NOT firing with it in a disabled
container.


But it's not relevant to your question of whether the event is only
fired when it's in an Enabled container. My code answered that question
- the answer is "no".

However, here's another piece of code which shows that in fact a
control doesn't have to be enabled to fire an event, either:

using System;
using System.Windows.Forms;

class Test
{

static void Main()
{
NumericUpDown nud = new NumericUpDown();
nud.ValueChanged += new EventHandler (SayHello);
nud.Enabled = false;
nud.Value = 20m;
}

static void SayHello (object sender, EventArgs e)
{
Console.WriteLine ("Hello");
}
}

Until you produce a complete example, it's going to be very hard to
help you further.

--
Jon Skeet - <sk***@pobox.com>
http://www.pobox.com/~skeet
If replying to the group, please do not mail me too

Jul 21 '05 #12
In fact I just tried it, and I was wrong, the event does fire. There must be
an error in your code.

<di********@discussion.microsoft.com> wrote in message
news:Ow**************@TK2MSFTNGP12.phx.gbl...
Is that the desired logical behaviour because I am updating a value , its
logically changed but yet its not notified to all subscribers that its
changed. Doesnt smell right to me.


"Mick Doherty"
<EX***********@AND.REMOVE.SQUAREBRACKETS.[mdaudi100#ntlworld.com]> wrote in message news:uI**************@TK2MSFTNGP12.phx.gbl...
If the Container is disabled then the control is disabled. Disabled

controls
normally do not fire events.

<di********@discussion.microsoft.com> wrote in message
news:%2****************@TK2MSFTNGP10.phx.gbl...
Mine is.

"Jon Skeet [C# MVP]" <sk***@pobox.com> wrote in message
news:MP***********************@msnews.microsoft.co m...
> <di********@discussion.microsoft.com> wrote:
> > I have the control in a PANEL and its got Panel.Enabled = false, then while
> > its in the false state I update the NumericUpDown.Value property and its
> > not firing. Does it only fire when its in an Enabled container?
>
> If you look at the example I posted, it's not in a container at all.
>
> --
> Jon Skeet - <sk***@pobox.com>
> http://www.pobox.com/~skeet
> If replying to the group, please do not mail me too



Jul 21 '05 #13
<di********@discussion.microsoft.com> wrote:
My problem is its not firing when its in a disabled container, thats the
issue here.


One last time: post your code. Just what's required, but in a complete
form so that I can compile and immediately run it.

Until you do so, I can't help you any further.

--
Jon Skeet - <sk***@pobox.com>
http://www.pobox.com/~skeet
If replying to the group, please do not mail me too
Jul 21 '05 #14
How much of an error can I have when I do a NumericUpDown.Value = someValue;
and the subscriber isnt getting it.

Im quite sure Im setting the .Value property and I am subscribed to the
ValueChanged event.

Could you explain where the error is and no im not giving out this
production code. Could be an issue with my version installed. I always
hated mishmashed upgrading scenarios.

In the InitializeComponent() form designer code its clearly subscribed my
event handler to the event.

When I start the form, its set the panel to enabled = false (from the
designer property) and I load up the value and set the .Value property, its
clearly NOT firing. I set a breakpoint and nope, nada.

I now call the event handler directly after setting the .Value property as a
workaround.
"Mick Doherty"
<EX***********@AND.REMOVE.SQUAREBRACKETS.[mdaudi100#ntlworld.com]> wrote in
message news:ua**************@TK2MSFTNGP10.phx.gbl...
In fact I just tried it, and I was wrong, the event does fire. There must be an error in your code.

<di********@discussion.microsoft.com> wrote in message
news:Ow**************@TK2MSFTNGP12.phx.gbl...
Is that the desired logical behaviour because I am updating a value , its logically changed but yet its not notified to all subscribers that its
changed. Doesnt smell right to me.


"Mick Doherty"
<EX***********@AND.REMOVE.SQUAREBRACKETS.[mdaudi100#ntlworld.com]> wrote

in
message news:uI**************@TK2MSFTNGP12.phx.gbl...
If the Container is disabled then the control is disabled. Disabled

controls
normally do not fire events.

<di********@discussion.microsoft.com> wrote in message
news:%2****************@TK2MSFTNGP10.phx.gbl...
> Mine is.
>
> "Jon Skeet [C# MVP]" <sk***@pobox.com> wrote in message
> news:MP***********************@msnews.microsoft.co m...
> > <di********@discussion.microsoft.com> wrote:
> > > I have the control in a PANEL and its got Panel.Enabled = false,

then
> while
> > > its in the false state I update the NumericUpDown.Value property
and
> its
> > > not firing. Does it only fire when its in an Enabled container?
> >
> > If you look at the example I posted, it's not in a container at

all. > >
> > --
> > Jon Skeet - <sk***@pobox.com>
> > http://www.pobox.com/~skeet
> > If replying to the group, please do not mail me too
>
>



Jul 21 '05 #15
Yeah sure let me just post my production code here. Do I look like a gimp?

If I get time I will try to repro it in a small project. I know what Im
doing and I can ssee clearly its not firing.

"Jon Skeet [C# MVP]" <sk***@pobox.com> wrote in message
news:MP************************@msnews.microsoft.c om...
<di********@discussion.microsoft.com> wrote:
My problem is its not firing when its in a disabled container, thats the
issue here.


One last time: post your code. Just what's required, but in a complete
form so that I can compile and immediately run it.

Until you do so, I can't help you any further.

--
Jon Skeet - <sk***@pobox.com>
http://www.pobox.com/~skeet
If replying to the group, please do not mail me too

Jul 21 '05 #16
<di********@discussion.microsoft.com> wrote:
Yeah sure let me just post my production code here. Do I look like a gimp?
Did I ask you to post your production code?
If I get time I will try to repro it in a small project. I know what Im
doing and I can ssee clearly its not firing.


Reproducing it in a small project is exactly the thing to do.

--
Jon Skeet - <sk***@pobox.com>
http://www.pobox.com/~skeet
If replying to the group, please do not mail me too
Jul 21 '05 #17
> Yeah sure let me just post my production code here. Do I look like a gimp?

No you don't.

If I get time I will try to repro it in a small project. I know what Im
doing and I can ssee clearly its not firing.
Thats exactly what Jon had advised you to do when he sent you a link to his
website explaining what he means by a "short but complete" code, I agree
with him a 100% that if you write a short but complete code, you will be
able to track your problem for yourself.

People are ready to help here, just in case you wondered.

--Saurabh

"Jon Skeet [C# MVP]" <sk***@pobox.com> wrote in message
news:MP************************@msnews.microsoft.c om...
<di********@discussion.microsoft.com> wrote:
My problem is its not firing when its in a disabled container, thats the issue here.


One last time: post your code. Just what's required, but in a complete
form so that I can compile and immediately run it.

Until you do so, I can't help you any further.

--
Jon Skeet - <sk***@pobox.com>
http://www.pobox.com/~skeet
If replying to the group, please do not mail me too


Jul 21 '05 #18
> How much of an error can I have when I do a NumericUpDown.Value =
someValue;
and the subscriber isnt getting it.

Could you explain where the error is and no im not giving out this
production code.


NumericUpDown.Value = 12;

If the Value was already 12 then the Value did not change, and subsequently,
the ValueChanged event will not fire.

I don't program in C#, I'm a VB.Net programmer,but to see the problem I
created a New windows form C# project.

I added a Panel to the form. I added a NumericUpDown Control to the Panel. I
set the Enabled property of the Panel to False. I added a button to the form
and added the following code.

private void button1_Click(object sender, System.EventArgs e)
{
this.numericUpDown1.Value +=1;
}
private void numericUpDown1_ValueChanged(object sender, System.EventArgs e)
{
MessageBox.Show("Hello!");
}
Jul 21 '05 #19
Hi,
You must have some error, if you do not post your code it's useless.

Ijust did a fast test, I created a form, put a panel, and inside it a
numericupdown, I set the panel as disabled.
also added a button withi this code:

this.numericupdown1.Value = 12;

IT DOES FIRE the event.

Below you will find my full code listing, I left it just as VS generated
it, for you to see it visually.

Cheers,

--
Ignacio Machin,
ignacio.machin AT dot.state.fl.us
Florida Department Of Transportation
************************************************** * START OF CODE

using System;

using System.Drawing;

using System.Collections;

using System.ComponentModel;

using System.Windows.Forms;

using System.Data;

namespace WindowsApplication1

{

public class Form1 : System.Windows.Forms.Form

{

private System.Windows.Forms.Panel panel1;

private System.Windows.Forms.NumericUpDown numericUpDown1;

private System.Windows.Forms.Button button1;

//private System.ComponentModel.Container components = null;

public Form1()

{

InitializeComponent();

}

#region Windows Form Designer generated code

/// <summary>

/// Required method for Designer support - do not modify

/// the contents of this method with the code editor.

/// </summary>

private void InitializeComponent()

{

this.panel1 = new System.Windows.Forms.Panel();

this.numericUpDown1 = new System.Windows.Forms.NumericUpDown();

this.button1 = new System.Windows.Forms.Button();

this.panel1.SuspendLayout();

((System.ComponentModel.ISupportInitialize)(this.n umericUpDown1)).BeginInit(
);

this.SuspendLayout();

//

// panel1

//

this.panel1.Controls.Add(this.numericUpDown1);

this.panel1.Enabled = false;

this.panel1.Location = new System.Drawing.Point(64, 104);

this.panel1.Name = "panel1";

this.panel1.Size = new System.Drawing.Size(176, 96);

this.panel1.TabIndex = 0;

//

// numericUpDown1

//

this.numericUpDown1.Location = new System.Drawing.Point(48, 32);

this.numericUpDown1.Name = "numericUpDown1";

this.numericUpDown1.TabIndex = 0;

this.numericUpDown1.ValueChanged += new
System.EventHandler(this.numericUpDown1_ValueChang ed);

//

// button1

//

this.button1.Location = new System.Drawing.Point(200, 48);

this.button1.Name = "button1";

this.button1.TabIndex = 1;

this.button1.Text = "button1";

this.button1.Click += new System.EventHandler(this.button1_Click);

//

// Form1

//

this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);

this.ClientSize = new System.Drawing.Size(292, 273);

this.Controls.Add(this.button1);

this.Controls.Add(this.panel1);

this.Name = "Form1";

this.Text = "Form1";

this.panel1.ResumeLayout(false);

((System.ComponentModel.ISupportInitialize)(this.n umericUpDown1)).EndInit();

this.ResumeLayout(false);

}

#endregion

[STAThread]

static void Main()

{

Application.Run(new Form1());

}

private void numericUpDown1_ValueChanged(object sender, System.EventArgs e)

{

MessageBox.Show("hello");

}

private void button1_Click(object sender, System.EventArgs e)

{

this.numericUpDown1.Value = 12;

}

}

}



************************************************** * END OF CODE
<di********@discussion.microsoft.com> wrote in message
news:eM**************@tk2msftngp13.phx.gbl...
How much of an error can I have when I do a NumericUpDown.Value = someValue; and the subscriber isnt getting it.

Im quite sure Im setting the .Value property and I am subscribed to the
ValueChanged event.

Could you explain where the error is and no im not giving out this
production code. Could be an issue with my version installed. I always
hated mishmashed upgrading scenarios.

In the InitializeComponent() form designer code its clearly subscribed my
event handler to the event.

When I start the form, its set the panel to enabled = false (from the
designer property) and I load up the value and set the .Value property, its clearly NOT firing. I set a breakpoint and nope, nada.

I now call the event handler directly after setting the .Value property as a workaround.
"Mick Doherty"
<EX***********@AND.REMOVE.SQUAREBRACKETS.[mdaudi100#ntlworld.com]> wrote in message news:ua**************@TK2MSFTNGP10.phx.gbl...
In fact I just tried it, and I was wrong, the event does fire. There must
be
an error in your code.

<di********@discussion.microsoft.com> wrote in message
news:Ow**************@TK2MSFTNGP12.phx.gbl...
Is that the desired logical behaviour because I am updating a value , its logically changed but yet its not notified to all subscribers that its
changed. Doesnt smell right to me.


"Mick Doherty"
<EX***********@AND.REMOVE.SQUAREBRACKETS.[mdaudi100#ntlworld.com]> wrote in
message news:uI**************@TK2MSFTNGP12.phx.gbl...
> If the Container is disabled then the control is disabled. Disabled
controls
> normally do not fire events.
>
> <di********@discussion.microsoft.com> wrote in message
> news:%2****************@TK2MSFTNGP10.phx.gbl...
> > Mine is.
> >
> > "Jon Skeet [C# MVP]" <sk***@pobox.com> wrote in message
> > news:MP***********************@msnews.microsoft.co m...
> > > <di********@discussion.microsoft.com> wrote:
> > > > I have the control in a PANEL and its got Panel.Enabled =
false, then
> > while
> > > > its in the false state I update the NumericUpDown.Value

property and
> > its
> > > > not firing. Does it only fire when its in an Enabled container? > > >
> > > If you look at the example I posted, it's not in a container at all. > > >
> > > --
> > > Jon Skeet - <sk***@pobox.com>
> > > http://www.pobox.com/~skeet
> > > If replying to the group, please do not mail me too
> >
> >
>
>



Jul 21 '05 #20
I forgot to say, "When compiled and run, there was no problem".

"Mick Doherty"
<EX***********@AND.REMOVE.SQUAREBRACKETS.[mdaudi100#ntlworld.com]> wrote in
message news:ej**************@TK2MSFTNGP09.phx.gbl...
How much of an error can I have when I do a NumericUpDown.Value = someValue;
and the subscriber isnt getting it.

Could you explain where the error is and no im not giving out this
production code.


NumericUpDown.Value = 12;

If the Value was already 12 then the Value did not change, and

subsequently, the ValueChanged event will not fire.

I don't program in C#, I'm a VB.Net programmer,but to see the problem I
created a New windows form C# project.

I added a Panel to the form. I added a NumericUpDown Control to the Panel. I set the Enabled property of the Panel to False. I added a button to the form and added the following code.

private void button1_Click(object sender, System.EventArgs e)
{
this.numericUpDown1.Value +=1;
}
private void numericUpDown1_ValueChanged(object sender, System.EventArgs e) {
MessageBox.Show("Hello!");
}

Jul 21 '05 #21
its always the same thing with this guy...
"Saurabh" <sa*****@nagpurcity.net> wrote in message
news:OJ**************@TK2MSFTNGP12.phx.gbl...
Yeah sure let me just post my production code here. Do I look like a gimp?

No you don't.

If I get time I will try to repro it in a small project. I know what Im
doing and I can ssee clearly its not firing.
Thats exactly what Jon had advised you to do when he sent you a link to

his website explaining what he means by a "short but complete" code, I agree
with him a 100% that if you write a short but complete code, you will be
able to track your problem for yourself.

People are ready to help here, just in case you wondered.

--Saurabh

"Jon Skeet [C# MVP]" <sk***@pobox.com> wrote in message
news:MP************************@msnews.microsoft.c om...
<di********@discussion.microsoft.com> wrote:
> My problem is its not firing when its in a disabled container, thats

the > issue here.

One last time: post your code. Just what's required, but in a complete
form so that I can compile and immediately run it.

Until you do so, I can't help you any further.

--
Jon Skeet - <sk***@pobox.com>
http://www.pobox.com/~skeet
If replying to the group, please do not mail me too



Jul 21 '05 #22

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Hi, I am setting the NumericUpDown .Value property and the ValueChanged event is NOT being fired. Does this ONLY get fired when I change it on the UI and not programatically? Thanks
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by: ryjfgjl | last post by:
ExcelToDatabase: batch import excel into database automatically...
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isladogs
by: isladogs | last post by:
The next Access Europe meeting will be on Wednesday 6 Mar 2024 starting at 18:00 UK time (6PM UTC) and finishing at about 19:15 (7.15PM). In this month's session, we are pleased to welcome back...
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by: Vimpel783 | last post by:
Hello! Guys, I found this code on the Internet, but I need to modify it a little. It works well, the problem is this: Data is sent from only one cell, in this case B5, but it is necessary that data...
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by: jfyes | last post by:
As a hardware engineer, after seeing that CEIWEI recently released a new tool for Modbus RTU Over TCP/UDP filtering and monitoring, I actively went to its official website to take a look. It turned...
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by: ArrayDB | last post by:
The error message I've encountered is; ERROR:root:Error generating model response: exception: access violation writing 0x0000000000005140, which seems to be indicative of an access violation...
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by: CloudSolutions | last post by:
Introduction: For many beginners and individual users, requiring a credit card and email registration may pose a barrier when starting to use cloud servers. However, some cloud server providers now...
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by: Defcon1945 | last post by:
I'm trying to learn Python using Pycharm but import shutil doesn't work
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by: Shællîpôpï 09 | last post by:
If u are using a keypad phone, how do u turn on JavaScript, to access features like WhatsApp, Facebook, Instagram....
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by: af34tf | last post by:
Hi Guys, I have a domain whose name is BytesLimited.com, and I want to sell it. Does anyone know about platforms that allow me to list my domain in auction for free. Thank you

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