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• How to read Excel file using vb.net

  - by Mark

  How to read excel file using vb.net.. I have a code to read the excel file but suddenly it crashes the output when I deleted some rows in excel file.. The deleted rows was also outputted in my coded program. Can anyone help me on how to read excel file and ignore those deleted rows to avoid unexpected null output..

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• VB.NET disable the keyboard and mouse

  - by Muhammad Umar Siddique

  I am looking to create a VB.NET application. when the application is opened it will disable the keyboard and mouse so if you hit any keys it does nothing and you can not move the mouse. (even if currently selected window is not that of application). MUST WORK ON WINDOWS 7! Thanks in advance.

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• Creating a file based on the byte() in VB.net

  - by acadia

  Hello, I am retrieving an image from the SQL database into Byte() variable in vb.net Dim img as byte()=dr(0) How do I create a file in my C:\images\ directory from the above img. I want to read the img and then create a file with name bimage.gif Please help

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• "wait window nowait" in .NET

  - by EnriquitoPY

  Is there something similar to "wait window nowait" in Windows Forms (.NET VS2008) ? This is a commonly used sentence in Visual FoxPro for debugging purposes and "quick and dirty" thermometers.

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• .net Compact Framework 4.0

  - by Daniel

  Will their be a new release of the compact framework with VS2010 and .net 4.0 and if so what new features will it include? WPF? linq to SQL? etc

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• Do .NET Timers Run Asynchronously?

  - by MrEdmundo

  I have a messaging aspect of my application using Jabber-net (an XMPP library.) What I would like to do, if for some reason the connection to the Server is ended, is keep trying to connect every minute or so. If I start a Timer to wait for a period of time before the next attempt, does that timer run asynchronously and the resulting Tick event join the main thread, or would I need to start my own thread and start the timer from within there?

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• Facebook .net return internal server error when using Multiquery

  - by Simon

  Hello I am having trouble using multiquery in facebook .net. I am trying to create 3 queries: Friends, Like and Photo using multiquery in the toolkit. It returns me with this The remote server returned an error: (500) Internal Server Error. Although, it is not happened all the time but it does occur frequently... I thought about what cause the problem but don't have a luck Please help

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• Credit card validation and parsing utilities for .Net Compact framework 3.5

  - by Sundar

  I have payment gateway integration in my application developed using .Net Compact framework 3.5. Is there any "Credit card validation and parsing utilities" that i can use in my application or is there any class that i can use to identify the type of the card?

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• Real time SQL database updates between multiple VB.NET clients

  - by Marcel

  Hi, I hope somebody can help me out on this question. I'm using a SQL database and I'm writing a VB.NET client application. This application is used on multiple computers at the same time. If one of the clients makes an update to the database I would like to have the other clients to be aware of the update. Has ony one already done this before? Thank you very much! Marcel

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• .NET: Writing DataAccess dll

  - by RedsDevils

  I would like to write all data relations processes (general functions regarding with DataAccess via .NET) in dll and I want to use it repeatedly. What kinds of functions should have in that dll? Some want to use Stored Procedures , Some with Statements. Can you all suggest me? Please guide me! Thanks all!

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• Select Case on an object's Type in VB.Net

  - by mcjabberz

  I'm not sure if this valid C# but hopefully you get the idea. :) switch (msg.GetType()) { case ClassA: // blah case ClassB: // blah 2 case ClassC: // blah 3 } How would I switch on an object's type but using VB.NET's Select Case? I'm aware that some might suggest using polymorphism but I'm using a hierarchy of small message classes so that really wouldn't work in my csae.

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• .NET: Wrinting DataAccess dll

  - by RedsDevils

  I would like to write all data relations processes (general functions regarding with DataAccess via .NET) in dll and I wanna use it repeatedly. What kinds of functions should have in that dll? Some want to use Storedprocedures , Some with Statemets. Can you all suggest me? Please guide me! Thanks all!

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• .NET get timezone by city or by longitude and latitude

  - by Daniil Harik

  Hello, I'm using .NET and I'm able to geolocate user city by IP. Is there easy way to get user timezone by long. and lat. or city name? I wonder how facebook is doing it? Thank You

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• VB.NET LINQ to SQL Delete All Records

  - by Daniel

  I am having problems with deleting all records in a table with VB.NET. I am using this code to delete all records in the Contacts table For Each contact In database.Contacts database.Contacts.DeleteOnSubmit(contact) Next But I get this error Can't perform Create, Update or Delete operations on 'Table(Contact)' because it has no primary key. Anyone have any suggestions? Thanks

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• Custom Installer needs to detect .NET Framework

  - by Jay

  Hi, I am writing a custom installer in C#. Can you tell me an easy way to check if the machine has .NET version installed [even 2.0]. In cases where it is not installed, my app doesn't even start. Thanks

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• Lucene.Net Search result to highlight search keywords

  - by Ali Shafai

  I use Lucene.Net to index some documents. I want to show the user a couple of lines as to why that document is in the result set. just like when you use google to search and it shows the link and followed by the link there are a few lines with the keywords highlighted. any ideas?

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• Jpeg 2000 and .net

  - by pho3nix

  I working in a activex control using .net for load it in a ie website. I need read a jpeg 2000 file but i don't want use a 3rd party dll because this will cause dependencies or embedding it make my dll very big. Anyone have idea where i can find a class .cs for embedded on my project, i need only read file, no write only read.

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• Can I write for .Net 4 using VS2008?

  - by chillitom

  Can I write code against .Net 4 and its libraries using VS2008? If so how should I configure it? I realise that VS2008 will probably struggle with language changes such as the dynamic keyword but can I install the version 4 and target it anyway? My only real interest is in being able to use some of the new libraries, in particular I'm interested in the TPL (http://en.wikipedia.org/wiki/Parallel_Extensions)

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• .hgignore for VB.Net (Express)?

  - by OverTheRainbow

  Hello I didn't see a question on this subject in the archives, so here goes: For those of you experienced Mercurial users, is this a correct .hgignore file to tell VB.Net Express to ignore files/sub-dirs when adding items in a new repository? bin obj temp *.user *.suo *.ncb Thank you.

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• Calling Windows API using VB.NET

  - by henry

  How to lock the screen (most important), change the sound, lock the keyboard and etc using VB.NNET? I know it's quite easy to do it using C++ .Net

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• Is there any Rendered HTML Diff engine for .NET

  - by admax

  There are some questions on SO about Html diff engines, but i cant find right answer. What i need is .NET library for comparing two rendered html strings and displaying diff (like SO renders questions/answer editing revisions (example)).

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• WebService using MTOM in .NET 2.0

  - by Filip Ekberg

  Is it possible to set the Transfere mode to MTOM in .net 2.0 if so, how? The reason I am asking is because I want to consume a WCF Service on a non WCF-client. This is a related post

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• .NET Serial Port: Port Configuration Dialog

  - by sheepsimulator

  I'm going to be writing a small app based on the .NET SerialPort class. Is there a generic dialog available for setting the port settings, ala baud rate, data bits, stop bit, parity bit, flow control, etc? I didn't see one in the MSDN documentation, but I would think that one exists, since that stuff doesn't change.

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• using .net classes obtained form web services in flex

  - by zombiegx

  from flex, when calling a .net web method that returns a custom class, I always recieve an ObjectProxy, even if I have the same class created on flex. How do I manage this ObjectProxy as the class I have? thanks.

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• How to definie a VB.NET DataTable Column as primary key after creation

  - by user296575

  Hello I am importing Tables from a Oracle DataBase, using a VB.NET dataAdapter. I use the "fill" comand to add the imported data to a DataSet. How is it possible to define a specific column of a DataTable as PrimaryKey, after the DataTable is already filled with data? Thank your for your help.

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