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  • How to traverse the item in the collection in a List or Observable collection?

    - by Ashish Ashu
    I have a collection that is binded to my Listview. I have provided options to user to "move up" "move down" the selected item in the list view. I have binded the selected item of the listview to my viewmodel, hence I get the item in the collection on which user want to do the operation. I have attached "move up" "move down" commands in my viewmodel. I want what is the best way to move up and down in the collection in the collection which is reflected in the list view. Please suggest.

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  • How to get the default syle of my Button in WPF?

    - by Ashish Ashu
    I have create a Button style under Resource folder of the main application. I have added the reference of this button syle in the App.xml of the main application. Now this style is applicable to all the buttons in the main application or any other assembly. I want if I want to override my custom style of button to the normal button style , what should I do ?? Please help !!

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  • Hot to declare itemTemplate that has Itemsource as Enum Values in WPF?

    - by Ashish Ashu
    I have a enum let's say Enum MyEnum { FirstImage, SecondImage, ThirdImage, FourthImage }; I have binded this Enum to my combobox in XAML. While defining an combobox I have defined an ItemTemplate of combox to take Two UI element: TextBlock that show the enum value (Description) Image I have done this much in XAML. I am wondering where I can specify the Image corrosponding to each item of Enum. Is that possible through data trigger ? I really appreciate if anyone have the XAML for this scenario. Many Thanks in advance

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  • How to catch exception in the main thread if the exception occurs in the secondary thread?

    - by Ashish Ashu
    How to catch exception in the main thread if the exception occurs in the secondary thread? The code snippet for the scenario is given below: private void button1_Click(object sender, EventArgs e) { try { Thread th1 = new Thread(new ThreadStart(Test)); th1.Start(); } catch (Exception) { } } void Test() { for (int i = 0; i < 100; i++) { Thread.Sleep(100); if (i == 2) throw new MyException(); } } }

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  • Problem in databinding a dictionary in ListView combo-box column.

    - by Ashish Ashu
    I have a listview of which itemsource is set to my custom collection, let's say MyCollection. The code below is not full code , it's just a code snippets to explain the problem. class Item : INotifyPropertyChanged { Options _options; public Options OptionProp { get { return _options; } set { _options = value; OnPropertyChanged ("OptionProp");} } string _Name; public string NameProp { get { return _Name; } set { _Name = value; OnPropertyChanged ("NameProp");} } } class Options : Dictionary<string,string> { public Options() { this.Clear(); this.Add("One" , "1" ); this.Add("Two" , "2" ); this.Add("Three" , "3" ); } } MyCollection in my viewModel class viewModel { ObservableCollection<Item> **MyCollection**; KeyValuePair<sting,string> **SelectedOption**; } The listview Item Source is set to my MyCollection. <ListView ItemSource = MyCollectoin> I Listview contains two columns of which I have defined a datatemplats in the listview. First column is a combo-box of which Itemsource is set to Options ( defined above ) Second column is a simple textblock to display Name. Problem 1. I have defined a datatemplate for first column in which I have a combo box , I have set the Itemsource =**MyCollection** and SelectedItem = SelectedOption of the combo-box. User can perform following operations in the listview: Add ( Add the row in the listview ) Move Up ( Move row up in the listview ) Move Down ( Move down the item in the listview ) .Now when I add the row in the listview , the combo-box selected index is always comes to -1 (first column). However the combo box contains options One, Two and Three. Also, I have initialized the SelectedOption to contain the first item, i:e One. problem 2. . Let suppose, I have added a single row in a listview and I have selected Option "one" in the combo box manually. Now when I perform Move Up or Move Down operations the selected index of a combo box is again set to -1. In the Move Up or Move Down operation , I am calling MoveUp and MoveDown methods of the Observable collection. Probelm 3 How to serialize the entire collection in XML. Since I can't serialize the Dictionary and KeyValue Pair. I have to restore the state of the listview.

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  • How to track which character is deleted in TextBox in WPF?

    - by Ashish Ashu
    I want to track which character is deleted by the user through Delete or BackSpace Key. I am handling RichTextBox_ChangedEvent of textbox. Can I extract the deleted character from TextChangedEventArgs *e.Changes* and if yes How can I do that? I want to restrict user to from deleting any characters from the TextBox. I want user can delete only two characters ( let's say "(" or ")" ) Please suggest.

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  • Problem in DataBinding an Enum using dictionary approach to a combobox in WPF.

    - by Ashish Ashu
    I have a Dictionary which is binded to a combobox. I have used dictionary to provide spaces in enum. public enum Option {Enter_Value, Select_Value}; Dictionary<Option,string> Options; <ComboBox x:Name="optionComboBox" SelectionChanged="optionComboBox_SelectionChanged" SelectedValuePath="Key" DisplayMemberPath="Value" SelectedItem="{Binding Path = SelectedOption}" ItemsSource="{Binding Path = Options}" /> This works fine. My queries: 1. I am not able to set the initial value to a combo box. In above XAML snippet the line SelectedItem="{Binding Path = SelectedOption}" is not working. I have declared SelectOption in my viewmodel. This is of type string and I have intialized this string value in my view model as below: SelectedOption = Options[Options.Enter_Value].ToString(); 2. The combobox is binded to datadictionary which have two options first is "Enter_value" and second is "Select_value" which is actually Option enum. Based on the Option enum value I want to perform different action. For example if option is equal to option.Enter_value then Combo box becomes editable and user can enter the numeric value in it. if option is equal to option.Select_value value then the value comes from the database and the combo box becomes read only and shows the fetched value from the database. Please Help!!

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  • Why the databinding fails in ListView (WPF) ?

    - by Ashish Ashu
    I have a ListView of which ItemSource is set to my Custom Collection. I have defined a GridView CellTemplate that contains a combo box as below : <ListView MaxWidth="850" Grid.Row="1" SelectedItem="{Binding Path = SelectedCondition}" ItemsSource="{Binding Path = Conditions}" FontWeight="Normal" FontSize="11" Name="listview"> <ListView.View> <GridView> <GridViewColumn Width="175" Header="Type"> <GridViewColumn.CellTemplate> <DataTemplate> <ComboBox Style="{x:Null}" x:Name="TypeCmbox" Height="Auto" Width="150" SelectedValuePath="Key" DisplayMemberPath="Value" SelectedItem="{Binding Path = MyType}" ItemsSource="{Binding Path = MyTypes}" HorizontalAlignment="Center" /> </DataTemplate> </GridViewColumn.CellTemplate> </GridViewColumn> </ListView> My Custom collection is the ObservableCollection. I have a two buttons - Move Up and Move Down on top of the listview control . When user clicks on the Move Up or Move Down button I call MoveUp and MoveDown methods of Observable Collection. But when I Move Up and Move Down the rows then the Selected Index of a combo box is -1. I have ensured that selectedItem is not equal to null when performing Move Up and Move Down commands. Please Help!!

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  • Is it possible to apply NOT(!) operator while DataBinding a property of a control ?

    - by Ashish Ashu
    I have Button control and I have to set the IsEanbled property based on the bool variable. bool IsBoolVariable I want if IsBoolVariable property is true then I want to set the IsEnabled property to false AND when IsBoolVariable property is false then I want to set the IsEnabled property to true. Is it possible to apply not(!) operator while defining the binding as given below <Button IsEnabled = "{Binding Path = **!**IsBoolVariable}" /> I can very well do that by applying convertors , but that is the only way to do that?

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  • Setting up Ubuntu Server on Amazon EC2 for hosting multiple domains with wildcard subdomains

    - by Ashish Kumar
    I'm trying to set up multiple domains on my Amazon EC2 micro instance running Ubuntu Server 12.04. I installed Apache correctly and set up virtual hosts but having problems with wildcard subdomains. This is what my httpd.conf file looks like NameVirtualHost *:80 <VirtualHost *:80> UseCanonicalName Off VirtualDocumentRoot /home/username/domains/%0/html/ </VirtualHost> My DNS records (on Amazon Route 53) are: domain.tld A 1.2.3.4 *.domain.tld A 1.2.3.4 If i create a test.domain.tld directory with the html subdirectory, it works fine. But what I want to do is to redirect *.domain.tld to domain.tld in case there is no directory for the sub-domain accessed. I would also like www.domain.tld to redirect to domain.tld. The system should also work if I decide to host another website, example.com, on the server. I tried Googling a lot but without any luck. Suggestions?

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  • Reinstalling Windows XP over openSUSE [closed]

    - by Ashish
    I had installed Windows XP and after that openSUSE. If i want to retain only Windows XP on my system, if I reinstall Windows XP but it gives problem of partition error. If I reinstall openSUSE then grub loader shows Windows which starts setup again which was remained after restart.

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  • Passive Scan using wpa_supplicant-0.7.3

    - by Ashish Yadav
    I am using wpa_supplicant-0.7.3 and WL12xx TI Driver(WiFi) . Looking into both code,I seen that both support passive scan . Also, nl80211 driver is used (not wext). I am not able to find any command for passive scan in wpa_cli . With iw , for passive scan we can use : iw dev wlan0 scan passive Similar I want to do passive scan using wpa_supplicant . So need help to know how to do passive scan using wpa_supplicant?

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  • How to run RSA software fob on Ubuntu?

    - by Ashish
    I am using RSA software fob on windows. I want to use software fob on ubuntu. I didnot find any relevant software on RSA website for using software fob on ubuntu. I tried to use RSA firefox plugin but even that does not work properly. With firefox plugin I am not able to add my id file. The button doesnot work with my firefox version 3.6.3. Has anybody used RSA software fob on ubuntu? I have heard that it works with J2ME simulator but I dont want to use it for just for RSA.

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  • mod_security: another rule with same ID

    - by Ashish
    I have installed httpd 2.2.15 on CentOS 6.5 (minimal installation with no cPanel) with modsecurity 2.8. When I am starting httpd I am getting this error: Starting httpd: Syntax error on line 23 of /etc/httpd/conf.d/modsecurity.conf: ModSecurity: Found another rule with the same id The line 23 is: "id:'200000',phase:1,t:none,t:lowercase,pass,nolog,ctl:requestBodyProcessor=XML" Please advise. Thx in advanced

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  • Windows cannot access my external harddisk partition but all partition managers can

    - by Ashish
    Some weird problem happened to my Maxtor 500GB external harddisk, it all started when it once freezed during some operation. Now when I insert the drive in a USB slot, Windows asks me to format it, and if I try to open the drive from my computer it says, "not accessible".. I tried most of the major partition managers and partition recovery software. All of these can see and access my partition normally. It showing the free space and used space correctly. But Windows can't. Please help me out. Including a screenshot: On the left side, the partition manager can access and see my data in the corrupted partition, and on the right side Windows can't

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  • Need help in installing svn!!

    - by Ashish Rajan
    Hi, I am no-vice in svn, i just downloaded CollabNet Subversion Server. I installed the binary, but wondering how to get started, read the pdf with it but its too large for me as i needed it to be ready to use asap. Any short tutorial link or any help would be great. And also i have installed it on localhost with windows xp sp2 and apache server. Thanks

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  • Memory Usage of SQL Server

    - by Ashish
    SQL Server instance on my server is using almost full memory available in my Physical Server. Say if i am having 8GB of RAM than SQL Server is using 7.8 GB of RAM from system. I also have read articles and also read many similar questions regarding same on this forum and i understand that memory is reserved and it is using memory. But i have 2 same servers and 2 SQL Servers, why this is happening on a single SQL Instance not on other. Also when i run DBCC MemoryStatus than it is showing up... VM Reserved 8282008 VM Committed 537936 so from this we know that SQL reserved whole 8GB memory, but why this VM Committed keeps increasing. What i understand is VM Committed is: VM Committed: This value shows the overall amount of VAS that SQL Server has committed. VAS that is committed has been associated with physical memory. So this is the memory SQL Server has committed (from this i understand that physical memory actually SQL Server is using at instance). So like to know the reason behind this ever increasing VM Committed memory on my server and not on another. Thanks in Advance.

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  • Connecting SVN from Remote Server

    - by Ashish
    I have hosted my repository in assebbla & it works fine. now I want to write a script that can automate the build process : 1. Take the code from assembla repository 2. Make a dump and copy it onto my web server. what I have researched from net states that use of commands like svn co svn+ssh://[email protected]/home/svn/test I believe I need to open Shell on my server and type these commands but shell has been disabled from my server admin. I tried to run the same from php using exec , admin has disabled that too. (am using shared hosting and want to do a automated deployment using these simple steps. i don't want to bring my local system in this process) now am not sure even if I get the shell access open to my server these commands like svn will work there as I don't have SVN installed on my server (its installed on assembla). kindly let me know if any more explanation is required regarding the same or if am going on the wrong track. Am a newbie so please be descriptive in answering :) Thanx in advance Ace

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