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How to enable a particular item in dropdown list an disable other items in Asp.net application RRS feed

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    How to enable a particular item in dropdown list an disable other items in Asp.net application

    example

    List<UserControlLibrary.View> chartPanelItems = new List<UserControlLibrary.View>();
                chartPanelItems.Add(new UserControlLibrary.View() { Name = SummaryView, IsSelected = true);
            
    chartPanelItems.Add(new UserControlLibrary.View() { Name = PieChartAndTable });
                chartPanelItems.Add(new UserControlLibrary.View() { Name = BarChartAndTable });
                chartPanelItems.Add(new UserControlLibrary.View() { Name = ColumnChartAndTable });
                chartPanelItems.Add(new UserControlLibrary.View() { Name = PieChartAndGrid });
                chartPanelItems.Add(new UserControlLibrary.View() { Name = BarChartAndGrid });
                chartPanelItems.Add(new UserControlLibrary.View() { Name = ColumnChartAndGrid });
                btnView.ChartPaneItems = chartPanelItems;
          
    I have added 7 radiobuttons inside a panel list box,i wanto enalble only one radiobutton item and disable others,pls help


    Wednesday, June 18, 2014 8:01 AM

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    If you add items using a loop (without binding) and myControl.Items.Add( new ListItem( . . . . ) ), then you can pass false for disabled items. Perform some experiments and also ask the experts in special forum: http://forums.asp.net.

    Wednesday, June 18, 2014 9:20 AM
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    Thank you, But where we have to pass false,Can you please explain it in  detail.
     Iam not able to pass  IsEnabled=false in the below code   

    chartPanelItems.Add(new UserControlLibrary.View() { Name = SummaryView, IsSelected = true);

    Below one is showing error

    chartPanelItems.Add(new UserControlLibrary.View() { Name = SummaryView,  IsEnabled=false);


    I have added 7 radiobuttons inside a panel list box,i wanto enalble only one radiobutton item and disable others
    • Edited by Deeyaa Wednesday, June 18, 2014 11:35 AM
    Wednesday, June 18, 2014 11:02 AM
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    The constructor of ListItem has a parameter called enable, which allows you to enable or disable the added items. Here are the details and a sample: http://msdn.microsoft.com/en-us/library/ec0w4405(v=vs.110).aspx.

    Wednesday, June 18, 2014 11:17 AM
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    ListItem Item = new ListItem(ListBox1.SelectedItem.Text, ListBox1.SelectedItem.Value, true);
    ListBox2.Items.Add(Item);                                                                                                                                                              

    It will show only the selected item in the list,other items in the list will not be visible. But i want to disable them

    Wednesday, June 18, 2014 11:51 AM
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    Hi Deeyaa,

    In my opinion, this thread is related to ASP.NET forum. So please post thread on that forum for more effective response. Thank you for understanding. Please refer to the following link. http://forums.asp.net/.

    Regards,

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    Monday, June 23, 2014 8:01 AM