vb.net

how to move the cursor at the end of the richtext box in vb 2008

hello, i am adding an text while i press enter in the rich text box after that the cursor is in the top of the string how to make it at the end of the string If e.KeyCode = Keys.Enter Then RichTextBox1.Text = RichTextBox1.Text + "enter" End If can any one tell me how can i do that ...

How to run a string as a command in Visual Basic (VB.NET)

Hi i am running a Sub which takes as arguments a Datatable and a String. Private Sub Populate(ByVal dttemp As DataTable, ByVal strWhichPart As String) At one point there is a combobox which is populated with some of the data in the datatable. The name of the combobox is cmd plus the name of the string for example when the string is ...

How to use Batch Build for Vb.net Project in Visual studio 2008

In Visual studio 2008, I am not able to see Batch Build option for vb.net projects as c++ projects. I am new to VB.Net. but do it have any other options to do batch buld rather than creating Batch file? ...

DateTimeFormat Issue

I dont get following desired output from a DateTime-Object: 2010-03-29 13:15:00 My default localization is de-DE, so a simple ToString gives me: 29.03.2010 13:15:00 What I've tried is to create a DateTimeFormatInfo Object from US-Culture and use its DateTimePatterns but without success: Dim usDateFormat As Globalization.Date...

Shorten a VB.NET array declaration ?

Question: How to shorten this array creation ? I need to create an array of type ReportingService2005_WebService.Property with one property. Something like: Dim PropertyArray() as new ReportingService2005_WebService.Property(1) I have to do this: Dim PropertyArray As ReportingService2005_WebService.Property() = New Reportin...

Bind DataGridView To Results of Access SQL Query String

I would like to bind a DataGridView to the results of a query generated as text at runtime. How can I send a query as text to Microsoft Access and bind the results to the DataGridView? When the user clicks the button (ok_btn), I want the contents of the textbox (query_txt.Text) sent to Microsoft Access, then I want the results of the q...

How do I invoke HasValue on a nullable property of an object via reflection?

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[VB.Net for Office] Word fails to save document to PDF

Hi all, I'm programming a Microsoft Word plugin in VB.Net, and I have a code that calls a function to save the document as PDF (Office 2007). I use two functions: Public Sub SaveLandscape_CallBack(ByVal Control As Office.IRibbonControl) SaveEbook(True) End Sub And Public Sub SaveEbook(ByVal ForceLandscape As Boolean) Try ...

Creating a Word 2003 Add-In Toolbar

Hello, I have been perusing the internet in search of the best way to accomplish this, but have had no luck. If someone here has experience with Office add-ins, I would really appreciate any help, I'm not asking for a solution by any means, just assistance with which direction to take. The software I'm working on is primarily in VB.Net ...

Get the last en for last day of a month

I have a date like 27-12-2010 ( day-month-year ) .I need the following value back. 31-12-2010 ( Last day of that month ) 30-12-2010 ( For last day of that month ) ...

Build if then statements at run time?

My product owner has asked me to make some comparision logic configurable so the process engineers can change things without making code changes. Currently the code is a SELECT CASE statement with various IF THEN statements that are fairly standard. The problem I can't seem to find a way around is that he wants through configuration to A...

Search with XPath in VB.NEt

I have a Xml file, ( actually HTML tags ) , I want to use the SelectNodes method to get ANY node/tag containing a keyword. The node name can be anything <td> , <div> <p>. What is the XPath to get any node which contains a keyword? ...

Optional SQL parameters for binary file UPSERT

I'm using a stored procedure to update\insert data into a table using MERGE. One of the items being inserted is a VarBinary file. Now if I wish to add a new file it's just a case of using ReadAllBytes as below, to remove the file I pass DBNull. Now what if other fields are being updated but the file is not being changed? I want the fiel...

Spurrious MouseEnter/MouseLeave events in Silverlight 4 TreeView

I was trying to use the MouseLeave event to hide a Popup control that contained a TreeView object. It didn't take long to stumble upon the first nuance, that the Popup control doesn't emit a MouseLeave event. So I went with the prescribed hackaround and captured the events from the Child object. Then I came across the second nuance. ...

Extension methods in referenced assemblies?

If I try to call my extension method which is defined like this: Module LinqExtensions <System.Runtime.CompilerServices.Extension()> _ Public Function ToSortableBindingList(Of TSource)(ByVal source As IEnumerable(Of TSource)) As IBindingList If (source Is Nothing) Then Throw New ArgumentNullException("source") End If ...

Enable application framework settings in WPF projects?

What it is the option Enable application framework that I found in Visual Studio under VB.NET WPF projects Application settings? I found it enabled by default and the "Shutdown mode" configured as "On last windows close". But for me is not really clear what does it mean that setting and also the other settings listed in that combo box. ...

The benefits of using String.Empty

Possible Duplicate: In C#, should I use string.Empty or String.Empty or ? I just don't understand the benefits of using String.Empty over "". Aside it being strongly typed its longer. So please, why should I be using this? ...

Set WCF ClientCredentials in App.config

Is it possible to set clientcredentials for an WCF in App.config? I would like to avoid doing this: Using svc As New MyServiceClient svc.ClientCredentials.UserName.UserName = "login" svc.ClientCredentials.UserName.Password = "pw" ... End Using Rather the login and password should be part of the configuration. ...

Shortening this IF statement

I don't like wide code, especially when it forces me to scroll. So having written this: If _item.SubItems(pd.perioddate).Text = "N/A" Or _item.SubItems(pd.perioddate).Text = String.Empty Then dtpDeadlineforAP.Checked = False End If Is there a decent way to thin it down, make it more elegant? ...

Naming convention for interface implementator's object

What is the most commonly used convention (in C# and VB) to name object, when I want to emphesize that it is an instance of class that implements some interface. Like here: //is iDisp correct name? protected void Dispose(IDisposable iDisp) { iDisp.Dispose(); Console.WriteLine("Disposed"); } ...