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  • C# SQL: What is the best way to implement a dynamic table?

    - by SirMoreno
    I want to allow the user to add columns to a table in the UI. The UI: Columns Name:__ Columns Type: Number/String/Date My Question is how to build the SQL tables and C# objects so the implementation will be efficient and scalable. My thought is to build two SQL tables: TBL 1 - ColumnsDefinition: ColId, ColName, ColType[Text] TBL 2 - ColumnsValues: RowId, ColId, Value [Text] I want the solution to be efficient in DB space, and I want to allow the user to sort the dynamic columns. I work on .NET 3.5 MSSQL 2008. Thanks.

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  • how to make a base control in silverlight

    - by Edwin Tai
    I have a user control in silverlight which contains both XMAL and .cs file. But I wanna make it into a base control. In other word,I can make a control inherited it whose area in it can be edited. Just like Master Page in asp.net,you know. In the base control,I only have a lot of description in XMAL,perhaps it can be described in the .cs file,too.

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  • how do you create a social graph?

    - by kk
    this is a totally unfamiliar area for me. can anyone point me in the right direction on how to create a social graph and the best way to represent it? i'm building a website in C#/asp net and need to create a "friends" feature... is this type of thing usually stored entirely in the DB? if so, how?

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  • Executable directory where application is running from?

    - by JPJedi
    I need to get the path (not the executable) where my application is running from: System.AppDomain.CurrentDomain.BaseDirectory() When I run the above statement with & "/images/image.jpg" on my local machine it works fine but when I install the application on another machine it says it cannot find the file and there is a lot of extra path information some. I just need the directory of where the app is running. I am coding in VB.NET with Visual Studio 2008. Thanks!

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  • jquery / javascript for upload the file from browser to server

    - by Lalit
    Hi, I am developing the application in asp.net mvc with c#. I want the functionality that , a div will popup, so that i can facilate to use to upload the image file from his browser to server , in application domains file system. as usual. This question may be repeat , but i expect something more like how to build this scenario, and what are the security issues may come? and what care have to take while coding in the security perspective ?

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  • Datagrid CurrentRowIndex returns -1??

    - by runxc1 Bret Ferrier
    This seems quite odd. I have a Datagrid (.net 3.5 cf) that I bind to either a List or Inventory[]. When I click on a row and then hit a button to perform an action when I bind to a List CurrentRowIndex is -1. When I bind to Inventory[] and perform the same action CurrentRowIndex comes back with the selected row why is that?? grdBatch.DataSource = InventoryItems.ToArray(); vs grdBatch.DataSource = InventoryItems;

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  • Ordered List of Keyvaluepairs?

    - by boris callens
    Is there an collection in .net that allows the storing KeyValuePair<string, string> that keeps the order of inserting? OrderedDictionary looked promising, but seems to be rather lacking. Now I'm looking into IOrderedEnumerable, but I can't seem to find any implementation except for ISortedDictionary, but that's not what I want. No sorting needs to be done, just the order of inserting is important.

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  • please we need php replacement on linux.

    - by diamandiev
    PHP is just awful but atm the only cheap server technology available. If you want free hosting you are stuck with php. If you want cheap hosting too. Windows hosting is like 3x the pice. It's amazing how much effort people put into executing a task in php while they could this 10 times faster and better with a real language/server platform (asp.net). Just my 2 cents.

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  • Getting State of Modifier Keys Compact Framework

    - by CDM
    How can I get the state of a modifier key using VB.NET on the Compact Framework, in this case Windows Mobile 6.1. I want to be able to determine if the following keys are pressed or locked: Shift CTRL ALT and for the Psion Teklogix machines Orange Blue Although I may be able to work this out, if I can determine the others. I want to create my own on-screen indicator panel and want to poll the keys, not using events.

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  • Thread Management Object

    - by Gusdor
    I feel rather foolish as this is just a short question. I was reading about a bunch of thread management helper classes in .net, specifically one that aids the storage of threads to help a service manager object automatically invoke delegates onto the subscribing thread. I'm pretty sure it had something to do with creating dispatchers. Totally forgotten the name, can't find it :( Anyone know what I'm talking about?

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  • Avoiding SQL Injection in SQL query with Like Operator using parameters?

    - by MikeJ
    Taking over some code from my predecessor and I found a query that uses the Like operator: SELECT * FROM suppliers WHERE supplier_name like '%'+name+%'; Trying to avoid SQL Injection problem and parameterize this but I am not quite sure how this would be accomplished. Any suggestions ? note, I need a solution for classic ADO.NET - I don't really have the go-ahead to switch this code over to something like LINQ.

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  • Integration of C#, F#, IronPython and IronRuby

    - by prosseek
    I was told that the assembly files made from C# and F# source is interoperable as they are compiled into .NET assembly. Q1 : Does that mean that C# can call F# functions just like they are C# functions? Q2 : How about the IronPython and IronRuby? I don't see any assembly dll from the IronPython/IronRuby. Q3 : Is there any easy way to use IronPython/IronRuby functions from C# or F#?

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  • Implementing search in web application

    - by Abdel Olakara
    Hi all, I am implementing an eCommerce application using ASP.Net. I would like to know if custom Google search is sufficient enough or if we plan to go implement our search functionality.. how do we go about doing it? Ideas and Suggestions and best practices are most welcome. Regards, Abdel Olakara

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