vb.net

Webcasting/Broadcasting using VB.NET, MYSQL and ASP.NET

Hi,. I am currently working on my project webcasting, my concept is to capture the desktop of the host computer as an image/jpeg file and save it to the database, by having a common database VB.NET and ASP.NET can connect. And lastly, get the image/images from the database and render it to ASP.NET. 1.) VB.NET -> capture image 2.) MYSQL...

Package.Execute fails and don't know how to capture the errors and Events from Progrmmatically

Hi All, I am trying to execute my SSIS packages from VB.NET 2005. Actually, this application was written in Vb.NET 2003 and was runnign the DTS packages programmatically. Since we recently migrated all our DTS packages into SSIS packages, we are now suppose to migrate the .NET application to VS.NET 2005 so that we could refer to Microso...

Why doesn't C# have support for first pass exception filtering?

Note: this is not a duplicate of Jeff's question. That question asked "Is an equivalent?" I know there isn't, and I want to know why! The reason I ask is that I've only just become clear on how important it is, and the conclusion seems very strange to me. The Exception Handling block of Microsoft's Enterprise Library advises us to use...

How do I add a record to a database with LINQ?

I have been utilizing Scott Gu's tutorials on LINQ to SQL to try to learn some LINQ. I have been able to view, retrieve, and update records but I am unable to write new records into the database (MSSQL). Scott starts getting into inserting rows in the fourth section of the set of tutorials. As you can see on that page (or may already kn...

Legacy ASP.NET 1.1 with jQuery integration problem

I am working on a legacy web application written in VB.NET for ASP.NET 1.1. One particular page has a form with a number of fields. In response to a drop down box changing value, I am clearing a number of fields, resetting a number of drop down boxes to the first option, and setting them all to "disabled" in the UI. To do this, I'm us...

Databound User Controls in .NET

I am looking for some information on how to properly implement data binding on a user created control. My UserControl contains a Textbox, a Button, and a MonthCalendar. I am able to databind to the Textbox inside of my user control, however, I want to implement the databinding on the UserControl itself, and not reference to textbox ins...

Winforms MDI "Desktop" Area Boundry

The default MDI parent control has a large "desktop" area that can display multiple child forms. Users can drag forms to the edge of this desktop area so that most of the child form is off the screen. (A scroll bar then appears in the MDI parent) I don't like this feature. Is there a way to lock down the edge of the desktop area so tha...

Set focus in WPF textbox

I am writing a control in WPF that draws a shape on a form and then draws dimensions of this shape. These dimensions are editable so they are shown in a text box. When the user changes a dimension in a text box the shape is updated. I am updating the shape when the textbox showing the dimension loses focus i.e. as soon as the text box ...

winmm.dll cannot be add as reference

Im using VS2005 and im making a project in vb.net, I was trying to add winmm.dll file but i got this error. "A reference to 'C:\Documents and Settings\rhyatco\My Documents\winmm.dll' could not be added. This is not a valid assembly or COM component. Only assemlies with extension 'dll' and COM components can be refenced. Please make sure...

Why is my page not redirecting even though it does not error out?

I have this function that utilizes jQuery's post feature to send an ajax request to my logout handler, which destroys the session (set by asp.net) and redirects to the login page: <script type="text/javascript"> //<![CDATA[ function doLogout() { var conf = false; conf = confirm("Really log out?"); if (con...

Multiple Markers on a Google Map

I added a google map with two markers (i am just testing), the code is: function load() { var map = new GMap2(document.getElementById("map")); var marker = new GMarker(new GLatLng(<%=coordinates%>)); var marker2 = new GMarker(new GLatLng(31.977211,35.951729)); var html="<%=maptitle%><br/>" + "<%=text%>"; ...

Is there a better and/or easier way to do a logout?

Here is the situation: User logs in via username/password stored in an MSSQL database If the user is authenticated, the system makes a session variable with username/SHA1'd password and boolean if the user is logged in or not (for subsequent pages) I need to be able to destroy the session variable. I want a confirmation box as well. ...

Should I use SubSonic or Dynamic Data for a new CRUD asp.net application?

I need to throw together a quick CRUD asp.net site, but this may become a bigger application down the road. I have some experience with SubSonic, but it has been so long since I did a project with it I have to relearn it. I am also considering using Dynamic Data. Does anyone have any experience with these tools that can tell me which way...

linq Order By for a List(Of myObjects)

How do I order by a passed string value on my list of objects? i need to do paging and sorting on my List(Of) objects the paging is no problem but I don;t know who to get the Order By to work. Here is what I am currently doing and it's working great: Return returnReports.Skip(PageSize * (PageNumber-1)).Take(PageSize).ToList() How do ...

What is the VB.NET equivalent of the C# readonly keyword?

In C# you can do this to make your member variable immutable: public readonly int y = 5; What is the equivalent "readonly" keyword in VB.NET? ...

Downloading a text file in ASP.NET is appending the web page HTML!

Thanks to help I previously received on this forum I was able to get my asp.net web site to download all kinds of files to the client browser. For some odd reason, when I download text files, the HTML of the web page is being appended to the text! All other file types work fine! Here's the code that's doing the download: Public Sub...

How Do You Pass a Message From One Program To Another?

I have a .Net 3.0 application that needs to pass an integer to another program on the same machine. I was using a WCF service to do this, but ran into user rights issues when trying HOSTING the service on the local box. Any thoughts on how to accomplish this woudld be greatly appreciated. Thanks, Dave ...

How do I verify if I need to rebuild a project programatically

I have an add-in that does operations to open projects in the current solution. Before I do any of those operation, I want to verify if I need to build the projects or now. Is there a way I can check if a project is out of date (Up-To-Date = True)? Thanks in advance. ...

How do I convert Word files to PDF programmatically?

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 lice...

Is My site down, not working or has an error?

I want to create a small windows application will go automatically every time period to my site and check if its running fine, if it found it down, not working or have an error "Examples: 404, network error, connection to db failed" it will show a message on my screen. How can i know that there is an error there programmaticly using any...