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• Using ExtJS in ASP.NET

  - by Mike

  I don’t have advanced knowledge in JavaScript, and I am trying to learn how to use ExtJS framework in ASP.NET (C# or VB.NET) environment. I’ve got couple of samples, but was unable get the project working. Can anyone point in the right direction such as website or book so I can go a read up about the ExtJS in more details and how I can include this into my website?

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• Accessing .NET functionality from a macro in a VSTO Excel workbook

  - by Daniel DiPaolo

  A while back, I built an Excel workbook for someone else using VSTO SE, and there's functionality in the accompanying DLL that they'd like to be able to use in a VB macro in the workbook. Short of rebuilding the workbook with a control that does what they want, is there a way they can just hook into the necessary function somehow via some sort of macro call? Does the macro have any sort of visibility into the functionality within the VSTO-built DLL that is associated with the workbook?

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• Redirecting the Standard Output/Input/Error into/from a textbox

  - by Arjun Vasudevan

  I was making a VB.NET application that can be used to edit, compile and run C programs. I used the Process.StartInfo.RedirectStandardOutput property. But I'm unable to redirect it to a textbox, since it is not of the string type. How do I redirect the output coming from the cl.exe process to my textbox?

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• simple tutorial on how to use sqllite

  - by Selom

  hi, im using vb.net and mssql 2005 to create an application. i was told i should rather use sqllite as i want my application to be a standalone one with embedded database. can someone please provide me with a step to step tutorial on how to create a standalone application with an embedded database. Sorry im quite new to this. thanks to reading and answering.

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• FCKeditor for ASP.NET: file upload size limit

  - by balanza

  Hi all, I'm working on an asp.net website written in vb. I embedded fdkeditor in my page, and it works fine. As it includes image-upload feature, which works fine as well, I need to limit the size of the file before it's been uploaded. I wonder I couldn't find anyting satisfactory on web, it seems fckeditor's developers haven't ever thought about that. Has anyone workarounded it? Thanks

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• How do i create nice looking controls?

  - by KoolKabin

  hi guys, I found a nice controls used by a software so wanted to use or build similar nice looking controls for my applications in vb.net First Sample control is nice rounded cornor group box [ i guess so ]: http://sachicomputer.com/kabin/samples/control1.jpg and second control is nice looking tab control: http://sachicomputer.com/kabin/samples/control1.jpg

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• How would I shorten this If... Else... statement to check the state of a Date?

  - by Ian Roke

  I am a C# programmer but dabbling in VB.Net because everybody else in my team uses it. In the interests of professional development I would like to shrink the following If... Else... statement. If cmd.Parameters("@whenUpdated").Equals(DBNull.Value) Then item.WhenUpdated = cmd.Parameters("@whenUpdated").Value Else item.WhenUpdated = Nothing End If Cheers, Ian.

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• How do I convert Word files to PDF programmatically?

  - by Shaul

  I have found several open-source/freeware programs that allow you to convert .doc files to .pdf files, but they're all of the application/printer driver variety, with no SDK attached. I have found several programs that do have an SDK allowing you to convert .doc files to .pdf files, but they're all of the proprietary type, $2,000 a license or thereabouts. Does anyone know of any clean, inexpensive (preferably free) programmatic solution to my problem, using C# or VB.NET? Thanks!

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• sql raiseerror error.number wrong in VB

  - by Melody Friedenthal

  I wrote a T-SQL query which includes a test for valid EmployeeNo. If the EmployeeNo is not valid, I do the following: RAISERROR(5005, 10, 1, N'Invalid Employee No') return @@Error Back in VB.Net I test the sql exception and found that when the Employee No is invalid the error.number is not 5005 as I would expect, but 2732. What is the explanation for this? Thank you.

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• Type 'xxx' is not defined, BC30002 error.

  - by devin M. arnold

  Hello, It is possible to create an instance of a C# class within a aspx.vb codebehind file? When I try this within the Page_Load event: Dim oFlow As New Flow(HttpContext.Current.Request) I get the Type 'Flow' is not defined. The Flow class itself is located here: App_Code/CSCode/Cust/Frm/Flow.cs There's no namespace associated with this class. Any suggestions would be greatly appreciated. cheers, devin

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• VBScript Regular Expressions to check IP address validity with some adtional characters

  - by yael

  How to create VB Irregular expression syntax to check the VPparam (IP address validity) When the last octatat of the IP address is a range between ip's (x-y) and between each IP we can put the "," separator in order to add another IP example of VBparam VBparam=172.17.202.1-20 VBparam=172.17.202.1-10,192.9.200.1-100 VBparam=172.17.202.1-10,192.9.200.1-100,180.1.1.1-20 THX yael

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• How to retrive image names from a folder in Asp.net VB.

  - by kavitha kulkarni

  hi, i am using telerik editor for uploading images which are getting stored in images folder. now i want to fetch all images and paths from that image folder and save only image name and path in to seperate database table. can i do this in asp.net VB ? please help.

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• RunTimeError in ASP.Net

  - by ramyatk06

  I am doing .net application which is in vb.I am getting an runtime error when running in Internet Explorer,but its running in mozilla. Error as following Error:SysArgumentTypeException:Object of type 'AjaxControlToolKit.Animation.Length Animation' cannot be converted to type ;AjaxControlToolKit.Animation'.Parameter Instance. Error is getting in MicrosoftAjax.debug.js if(!this.isInstanceOfType(instance)) throw Error.argumentType('instance',ObjectgetType(instance)) What may be the reason for this error.What can i do to resolve this? Can anybody help?

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• Microsoft Chart control converts \n in file names to newline characters.

  - by xpda

  I am using a Microsoft Chart control (system.windows.forms.datavisualization.charting.chart) in a Windows forms application, vb.net 2008. I use folder paths for the x values in a pie chart. Chart control converts a name like c:\newfolder into c:[newline]ewfolder. I tried adding a slash, making it c:\\newfolder, but this only changes it to c:\[newline]ewfolder. Is there a workaround for this behavior?

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• Display ASP.NET Control on Event

  - by Steven

  I'm looking to create a custom date picker with code examples from several sources. Is the code to display/hide an ASP.NET control when a user clicks a button usually done with JavaScript or ASP.NET code? Please provide a simple example. (If ASP.NET, VB example preferred over C#)

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• Display data fetched from several rows on crystal report

  - by Selom

  Hi guys, how can I display data fetched from several rows on a crystal report. Im using vb.net. So far i can just display data fetched from only one row. Thanks for answering

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• How to insert a DataTable with existing Key to a SQL Server Table.

  - by user296575

  I am working with VB.NET.. i have a DataTable called "QUESTION", containing 3 fields: QuestionNumber (unique integer key) QuestionText QuestionType In my SQL Server database I created a Table called "QUESTION" with the same fields. QuestionNumber is defined as integer unique key, auto increment Now, when i make a bulk copy to insert the DataTable into the SQL Server, the database overwrites my QuestionNumber from the DataTable and generates new ones (starting from 1 increment 1). How do i have to change my database setup, that the original QuestionNumbers are copied into the database?

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• Can I place a asp:datalist inside a repeater control and databind it?

  - by Jonesy

  Hi folks, Can I place a asp:datalist inside a repeater control and databind it for each time its repeated? Using VB.NET btw.. Cheers! --Jonesy

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• XML + DOM + need to remove specific element from the XML by VB script

  - by yael

  how to remove specific element for example need to remove NET2... element from the XML by VB I need to verify if NET2 element exist and then to remove it from the XML root version="3.0" NET1 ID="172.17.202.1"/ NET2 ID="172.17.202.2"/ NET3 ID="172.17.202.3"/ /root THX Yael

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• Linq to SQL Case WHEN in VB.NET?

  - by EdenMachine

  How do I do a Case WHEN in Linq to SQL (vb.net please). In SQL it would be like this: SELECT CASE WHEN condition THEN trueresult [...n] [ELSE elseresult] END How would I do this in Linq to SQL?

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• creating fade between 2 videos in winforms

  - by testkhan

  i have a media player in vb form...with 2 files in a listbox as a playlist now i want to create a fade between changing these files as a transition how can i do that...

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• C#. Document conversion to PDF

  - by Umar Siddique

  Hi. I need to convert below mentioned file formats to pdf using C#/VB.Net. User will upload the file using FileUpload control and system will returns the pdf file after converting the document. doc/docx to pdf xls/xlsx to pdf ppt/pps to pdf Does ITextSharp provide such facility ? Please Only mentioned open source or free libraries. Thanks

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• "Class Not Registered " Error comes while debugging my application .

  - by Vibin Jith

  Hai, i were working in Windows xp. last week I changed my OS to Windows 7.The project i have done in Vb.net(2008) . While running class not registered error comes. In another computer its works well. Why it comes.

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• Determine the relative complement of two IEnumerable<T> sets in .NET

  - by SFun28

  Is there an easy way to get the relative complement of two sets? Perhaps using LINQ? I have to find the relative compliment of a set A relative to B. Both A and B are of type HashSet<T> but I think the algorithm could be made more general (IEnumerable<T> or even ISet<T>)? I could use a solution in either VB.NET or C#.

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• Using excel as UI without VB

  - by 01

  I think every business person would like to have excel UI, however they are forced into using web applications that sometimes look like really bad excel. Are there any frameworks that help build excel ui without VB? I dont mean framework like POI or JExcel that allows you to generate excel reports.

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