downlist.SelectedItem.Selected=false; if the downlist\'s SelectedItem is null,开发者_Python百科after running this code,there will be a error what \"Object refrence not set to an object\";
I am using Crystal Report 10.5.3700.0. I have created a report which is using stored procedure. Now from vb.net code (in VS2005) I set the selection formula like:
I have a problem in my WPF application with selection style on list elements. Every list i WPF get dark blue background color and white text color.
I need to target all radio elements with the class of \'error\' and change the colour of the surrounding \'td\' element, this is not working for me :
In my App I want to disable the Copy/Paste/Cut of contents that are showed by a UIWebView object. To achieve this, I created a UIWebView subclass and overrode the - (BOOL)canPerformAction:(SEL)action
I have built a context menu but have found annoyingly that when I right click on my site in firefox all text and images just seem to randomly get selected. It is not a JS issue as I have removed all J
So I want to run through A1-C200 and paste everything into a Word document. The trouble is, I have two ways of pasting it into Word, but each one has its downfall.
How to change ListBox and ListView selection rule as same way as WinForms? In WPF, if already an item is selected in ListBox/ListView, even an empty area of the List is clicked, the selection is stil
I have a simple class which inherits QTableView and I want the following behavior: when the user selects a few cells, I want the first cell selected to be set as the current index.
How do I en开发者_JAVA技巧force single Selection in Eclipse GEF? Only one EditPart should be selectable at a time.See bug 102420