Re: context menu combobox binding problem - C# Discussion Boards

The thing is:

the program is completely right,

it's function is to search for bluetooth enabled devices (e.g mobiles)
but where it is supposed to perform the search operation it finds no devices , (returns null)

after I had searched about that , I read some where that the problem might be because of:
that the program can not see the Bluetooth deriver on the computer and I may have to uninstall the deriver of the USB Bluetooth Dongle(that comes with)
so the Windows install it automatically , in order that my program can see it(use the USB Bluetooth Dongle

I had did, I uninstalled the deriver that came with , and let the windows to install it and I got the same result ,

what do you think I can do so I make my program to run successfully

note : the same result even when I installed the deriver that came with USB Bluetooth Dongle.

Thanks

There is always something to learn

Have a look here[^]

Dave

Thank you , I am trying it now

Thanks again Smile | :)

There is always something to learn

hello,
i'm trying to bind the combobox in context menu, but there is nothing when open it

code:

comboBoxItem1.ComboBox.DataSource = null;
comboBoxItem1.Items.Clear();
comboBoxItem1.DropDownWidth = 100;
ArrayList MYAL = new ArrayList();
for (int a = 0; a < 2; a++)
    MYAL.Add(new Items(a.ToString(), a));
comboBoxItem1.ComboBox.DataSource = MYAL;
comboBoxItem1.ComboBox.DisplayMember = "Name";
comboBoxItem1.ComboBox.ValueMember = "Value";
comboBoxItem1.ComboBox.SelectedIndex = -1;

this code is working on a non-contextmenu combobox

any idea?

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Where do you call this code ? I'd call it just before the menu is shown. There's an event for that.

Christian Graus - Microsoft MVP - C++

"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 )

this code is in Load event of form

TVMU^P[[IGIOQHG^JSH`A#@`RFJ\c^JPL>;"[,*/|+&WLEZGc`AFXc!L
%^]*IRXD#@GKCQ`R\^SF_WcHbORY87??6?N8?BcRAV\Z^&SU~%CSWQ@#2
W_AD`EPABIKRDFVS)EVLQK)JKSQXUFYK[M`UKs*$GwU#(QDXBER@CBN%
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What if you move it to where I said ?

Christian Graus - Microsoft MVP - C++

"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 )

i put them in Opening Event but problem persist.
i dont think it should be work if i put code just before showing as context menu added combobox, combobox is separate item.
and it can show items which are added in design time or runtime
but if we bind it then its not showing

TVMU^P[[IGIOQHG^JSH`A#@`RFJ\c^JPL>;"[,*/|+&WLEZGc`AFXc!L
%^]*IRXD#@GKCQ`R\^SF_WcHbORY87??6?N8?BcRAV\Z^&SU~%CSWQ@#2
W_AD`EPABIKRDFVS)EVLQK)JKSQXUFYK[M`UKs*$GwU#(QDXBER@CBN%
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How do you even put a combo box in a context menu ?

Christian Graus - Microsoft MVP - C++

"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 )

right click > insert > combobox

TVMU^P[[IGIOQHG^JSH`A#@`RFJ\c^JPL>;"[,*/|+&WLEZGc`AFXc!L
%^]*IRXD#@GKCQ`R\^SF_WcHbORY87??6?N8?BcRAV\Z^&SU~%CSWQ@#2
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Cool - not sure how you're showing yours, but I did this:

private void OnMouseClick(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Right)
{
toolStripComboBox1.Items.Add("baban");
toolStripComboBox1.Items.Add("naban");
contextMenuStrip1.Show( e.X + this.Left, e.Y + this.Top);
}
}

and every time it showed, it had two more items in the combo box.

Christian Graus - Microsoft MVP - C++

"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 )

ohhh, thats not what i said, i said if i bind combobox then items not showing else its showing

direct adding items can be done from any event, and it works

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%^]*IRXD#@GKCQ`R\^SF_WcHbORY87??6?N8?BcRAV\Z^&SU~%CSWQ@#2
W_AD`EPABIKRDFVS)EVLQK)JKSQXUFYK[M`UKs*$GwU#(QDXBER@CBN%
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The combobox I added doesn't let me set a datasource at all, best I could do was this:

if (e.Button == MouseButtons.Right)
{
string[] datasource = { "test1", "test2", "test3" };
toolStripComboBox1.Items.AddRange(datasource);
contextMenuStrip1.Show( e.X + this.Left, e.Y + this.Top);
}

Christian Graus - Microsoft MVP - C++

"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 )

ah... but how can i get SelectedValue ?
Frown | :(

TVMU^P[[IGIOQHG^JSH`A#@`RFJ\c^JPL>;"[,*/|+&WLEZGc`AFXc!L
%^]*IRXD#@GKCQ`R\^SF_WcHbORY87??6?N8?BcRAV\Z^&SU~%CSWQ@#2
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The only way to close the menu via the combo is to double click on an item, so handle the double click event, and then from there grab the selected item.

Christian Graus - Microsoft MVP - C++

"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 )

i like tricks, now i have to make my own Smile | :)

TVMU^P[[IGIOQHG^JSH`A#@`RFJ\c^JPL>;"[,*/|+&WLEZGc`AFXc!L
%^]*IRXD#@GKCQ`R\^SF_WcHbORY87??6?N8?BcRAV\Z^&SU~%CSWQ@#2
W_AD`EPABIKRDFVS)EVLQK)JKSQXUFYK[M`UKs*$GwU#(QDXBER@CBN%
Rs0~53%eYrd8mt^7Z6]iTF+(EWfJ9zaK-i?TV.C\y<p?jxsg-b$f4ia>
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128 bit encrypted signature, crack if you can

*grin* I hope that means it's working now.

Christian Graus - Microsoft MVP - C++

"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 )

*grin* I thought that you have got something new Laugh | :laugh:

TVMU^P[[IGIOQHG^JSH`A#@`RFJ\c^JPL>;"[,*/|+&WLEZGc`AFXc!L
%^]*IRXD#@GKCQ`R\^SF_WcHbORY87??6?N8?BcRAV\Z^&SU~%CSWQ@#2
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I'm developing a healthclub software in that if the member of the healthclub has enddate today,i have to dispay the alert message about that member.please help me.Thanking you

Is this homework, or a rentacoder assignment ?

If you have a datagrid, and you want to show a single label with a value, then you look up the value in the correct row and column of the table that contains it, and put it in the label, using the label's text property.

What if the enddate was yesterday ?

Christian Graus - Microsoft MVP - C++

"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 )

i have some records in datable,some fields like startdate and enddate,i want to display all the records whose enddate is equal to current date in datagrid control.

OK - so you don't have a label, you have a datagrid and want to show records in a specific date range ? Then you query your data source for the records that match your criteria, and bind them to your grid.

Christian Graus - Microsoft MVP - C++

"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 )

can you please give me sample query that match my criteria.thanking you.

Of course not. I'm sorry, but you're obviously very, very lost. How on earth can I tell you the SQL to make a call on a database when I don't know what your data source is, let alone your database schema ? If you're being paid for this work, the only honest thing to do, is to decline to work any further, you're obviously not skilled enough to do it. If it's a course, tell your teacher that you're struggling and ask for help. Seriously.

If you're using SQL Server, getdate() will return the current date/time. That's really all the help I can hope to offer based on the information you have given.

Christian Graus - Microsoft MVP - C++

"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 )

Google suprisingly turned up this MSDN page[^].

Dave