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Found 1945158 threads
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1 VotesHow to check Null in a Combobox
Hi I need to check there is a value in a combobox. In one Form I have this code and it works: If ...Answered | 2 Replies | 527 Views | Created by ForssPeterNova - Wednesday, January 8, 2020 3:54 PM | Last reply by ForssPeterNova - Wednesday, January 8, 2020 6:58 PM
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0 Votes
Datagridview and Combobox
an event for "OnEditControlShowing" of the grid that checks to see if I'm on the combobox column, and if so, checks the selectedvalue to make sure it's not ...Unanswered | 1 Replies | 3528 Views | Created by perryf_00 - Friday, June 16, 2006 6:46 PM | Last reply by Arun Thangavel - Wednesday, May 9, 2012 4:49 AM -
0 Votes
ComboBox: IsThreeState - grayed state only by system
Hello, I would like to use the IsThreeState property of a combobox in order to set IsChecked == null. But how can I avoid to let ...Discussion | 2 Replies | 4153 Views | Created by Thalion77 - Thursday, May 29, 2008 1:26 PM | Last reply by Marco Zhou - Thursday, June 5, 2008 9:36 AM -
0 Votes
How to align a combobox
Hi , This is a simple example of how to display table values (i.e. multiple columns) in a combo box. For the dropdown window, a form with a ...Answered | 1 Replies | 3144 Views | Created by Can-Ann - Tuesday, October 23, 2007 10:29 AM | Last reply by Gavin Jin - MSFT - Wednesday, October 24, 2007 8:16 AM -
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Checking if combobox chosen value exists in Master DB
not sure how I have to check if the chosen value exists in that table.. can you please help me with that ...Unanswered | 0 Replies | 5835 Views | Created by kavita bhaskaran kukkala - Tuesday, July 29, 2008 1:26 PM -
2 Votes
Enable or Disable ComboBox
Hi all, how to enabling/ disabling combobox? i want to enable the combobox control if my checkbox control's checked. if the checkbox is ...Answered | 2 Replies | 3025 Views | Created by AddinGanteng - Saturday, February 7, 2009 10:26 AM | Last reply by AddinGanteng - Sunday, February 8, 2009 2:55 AM -
0 Votes
Dynamically update Combobox
RighttoLeft off. Please advise how I can fix this functionality. cb_ClientLookup is the name of the Combobox control. Thanks in ...Unanswered | 3 Replies | 758 Views | Created by Hambergler - Tuesday, December 20, 2016 5:13 PM | Last reply by sendilg - Wednesday, December 21, 2016 10:56 AM -
0 Votes
Add default value to a ComboBox that is bound to a DomainDataSource
-in-Silverlight.aspx it explains how to allow a way to set a combobox to a null value by adding a <none> item to the list of ...Answered | 1 Replies | 1447 Views | Created by crisjax - Wednesday, December 22, 2010 3:32 PM | Last reply by Erw1n - Thursday, December 23, 2010 4:49 AM -
0 Votes
DataGridViewComboBoxCell in a dynamic DataGridView environment. How do I locate a value in the list and show it
= att.Value.ToString(); } } } I am of a mind that the above does not attempt to match values and so is ...Answered | 1 Replies | 4120 Views | Created by Krippers - Tuesday, February 15, 2011 11:40 AM | Last reply by Krippers - Tuesday, February 15, 2011 3:57 PM -
1 Votes
AutomationProperties, ComboBox & Screenreader
to support screenreader with additional information. But this property is not beeing read by any screenreader. I checked this by UI Spy and found out ...Unanswered | 3 Replies | 7653 Views | Created by AlexFlint - Wednesday, September 2, 2009 7:04 AM | Last reply by SAnjeev02 - Wednesday, January 3, 2018 2:13 PM -
1 Votes
Invalid use of Null- Error 94
I wrote this code in one of my forms but I don't know why when I update a combobox in subform I got an error that says:" Invalid use of Null". I checked the code ...Answered | 2 Replies | 698 Views | Created by kvaziri - Monday, February 22, 2016 9:31 PM | Last reply by David_JunFeng - Tuesday, February 23, 2016 1:57 AM -
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Datagridview combobox problem
changes the combobox text I would like the underlying datasource to change as well how would that work if the combobox column is bound to another table as well? ...Answered | 1 Replies | 428 Views | Created by Debra has a question - Tuesday, August 9, 2016 3:04 PM | Last reply by DotNet Wang - Wednesday, August 10, 2016 12:34 PM -
1 Votes
how to know if the text is all-selected at wpf combobox?
>How to know if the text is all-selected at WPF Combo Box? << We can get the selected text in Combo Box through this way, please check out the code ...Answered | 1 Replies | 3851 Views | Created by FugersonHall - Tuesday, December 31, 2013 1:41 AM | Last reply by Yang,Chenfei - Tuesday, December 31, 2013 6:16 AM -
0 Votes
BindingContext shows wild results when bound to a ComboBox
and check all 3 fields I get the coresponding value of the first row for each field even though nothing was selected in the ComboBox Is this normal? I ...Answered | 1 Replies | 3646 Views | Created by Barts007 - Monday, October 1, 2007 6:25 PM | Last reply by Rong-Chun Zhang - Thursday, October 4, 2007 1:21 AM -
10 Votes
how to check sqldatareader is null or not null
hi all how to check sqldatareader not equal to null ? i am using if(reader !=null) // ...Answered | 4 Replies | 49951 Views | Created by miruan - Wednesday, August 22, 2012 12:24 PM | Last reply by Mitja Bonca - Wednesday, August 22, 2012 2:14 PM -
0 Votes
Changing Button (CheckBox) Text background to TRANSPARENT in win32
Hello as in the title can any one explain how do I change a CheckBox text background to transparent ? I have a window witch is just ...Answered | 1 Replies | 655 Views | Created by _Rafal_ - Sunday, September 18, 2016 1:43 PM | Last reply by _Rafal_ - Sunday, September 18, 2016 8:20 PM -
0 Votes
How to check null in Datagrid
I have a column in Datagrid , and I want to check before save, actually I want that if the column is null , then place a 0 here ...Unanswered | 4 Replies | 3385 Views | Created by Turbosolo - Thursday, May 18, 2006 6:58 PM | Last reply by TkNeo - Friday, May 19, 2006 9:42 PM -
0 Votes
How to Check if Double is NULL
is NULL, so i figuerd i should check this before starting the Method, but i dont know how? The wasserstaende[i ].wasserstand1 Value in the following ...Unanswered | 4 Replies | 9523 Views | Created by Ouagadougou_Joe1 - Tuesday, July 27, 2010 7:48 AM | Last reply by Ouagadougou_Joe1 - Tuesday, July 27, 2010 9:48 AM -
0 Votes
ComboBox binding to Linq-to-Sql data model?
if (JobToEdit != null) // must check... is null at ...Answered | 1 Replies | 6525 Views | Created by Matt Slay - Thursday, July 17, 2008 2:08 PM | Last reply by Wodahs - Monday, July 21, 2008 2:20 AM -
0 Votes
How to check if the column is NULL ?
;, con); byte[] barrImg = (byte[])Image1.ExecuteScalar(); i wann to check if the above query is returning null , If its returning null i wann to do something , ...Answered | 2 Replies | 1380 Views | Created by SaiPrasad01 - Thursday, February 9, 2012 4:43 AM | Last reply by Lie You - Friday, February 10, 2012 2:26 AM - Items 1 to 20 of 1945158 Next ›
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