I've started using the FormView control to enable two way databinding in asp.net webforms. I liked that it saved me the trouble of writing loadForm and unloadForm routines on every page. So it seemed to work nicely at the start when I was just using textboxes everywhere....but when it came time to start converting some to DropDownLists...
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. ...
I have written a multithreaded crawler and the process is simply creating threads and having them access a list of urls to crawl. They then access the urls and parse the html content. All this seems to work fine. Now when I need to write to tables in a database is when I experience issues. I have 2 declared arraylists that will contain t...
I can't seem to find a thing on what this exception code indicates on Google or MSDN, and it's occurring intermittently and without a pattern I can discern. Has anyone run across this before? The failure seems to occur on the final line here: Dim olApp As New Outlook.Application Dim olNS As Outlook.NameSpace = olApp.GetNamespace("MAPI")...
Hello, I want to create a structure where in I have a source class which has got 2 funtions: MySourceClass.GetData() As Datatable and MySourceClass.GetSchema() As Datatable. When this functions are called from my code it should accordingly go to the interface class and read data from the user selected file. For example, if the user sel...
Found this: Sub SurroundWithAppendTag() DTE.ActiveDocument.Selection.Text = ".Append(""" + DTE.ActiveDocument.Selection.Text + """)" End Sub But I can't seem to figure out how to loop through each line of text in the selection. Any thoughts? ...
Here's what I'm trying to do: I want to get a list of all users and groups that belong to a specific department (entered by the user) from Active Directory using VB.Net and DirectoryServices. Any suggestions? ...
The VB.Net desktop app uses the IE browser control to navigate the web. When a normal page loads the document_complete event fires and I can read the resulting page and go from there. The issue I am having is that the page I am driving is written with AJAX, so the document complete event never fires. Furthermore, when you view the source...
Hello! I was wondering if anybody knows of a way to retrieve the actual T-SQL that is to be executed by a SqlCommand object (with a CommandType of StoredProcedure) before it executes... My scenario involves optionally saving DB operations to a file or MSMQ before the command is actually executed. My assumption is that if you create a Sq...
Hi, Does anyone know of a good way to have a user enter an amount of time (hours and minutes) using winforms controls? At the moment I have two numeric up downs, one for time and one for minutes that I then parse to create a timespan. The only other idea I have is a text box that a user can enter a "00:00" time in, and validate the inp...
I have a server control that wraps an underlying class which manages a number of indexes to track where it is in a dataset (ie: RenderedRecordCount, ErroredRecordCount, NewRecordCount, etc.). I've got the server control rendering great, but OnDataBinding I'm having an issue as to seems to happen after CreateChildControls and before Rende...
Hey everyone, I have this script: Private Sub WebDL_AmountDownloadedChanged(ByVal iNewProgress As Long) Handles WebDL.AmountDownloadedChanged 'On Error Resume Next If downloading Then Dim wbchanged As New WDL_AmountDownloadedChanged(AddressOf WebDLAmountChanged) Me.Invoke(wbchanged, New Object() {CLng(iNewPr...
I have myown login page.If any user access any page directly(without login),i want to redirect unauthorized user to login page....How it possible.....Using Generic Handler is there any chance? or how can i do it ? ...
I have a feeling that the PrintServer.GetPrintQueues method does not return the network printers. If this one is true, what other choices do i have? ...
I am building a small web app for a pharmacy to keep track of sales and stocks, so in short, in one page, the pharmacist will enter a bar-code and the item is displayed, pharmacist enters quantity (price will be automatically calculated) then next item and next and so on, I haven't worked with such a problem before so I would appreciate ...
I use to set WithEvents variables to Nothing in Destuctor, because this will "Remove" all the Handlers associated with Handles keyword. Will this have the same effect for derivated classes? Class A Protected WithEvents _Foo as Button Private Sub _Foo_Click Handles _Foo.Click ' ... some Click action ' End Sub Pu...
I have 2 subs like below, and when I make a loop with 1000 iterations and capturePicture() in it. after 700 iterations the event is not raised anymore. Can anyone help me? Public Sub capturePicture() Try AddHandler capturePic.FrameEvent2, AddressOf CaptureDone capturePic.GrapImg() Threading.T...
How can I recognize (.NET 2) a generic class? Class A(Of T) End Class ' not work ' If TypeOf myObject Is A Then ? ...
Hello all I have a problem, I am writing an import CSV to silverlight MVVM the problem I am having is I loop the lines of the stream and then add them to an array, 2 items in the array need to be looked up for the ID I can do that but the problem is they run on a different thread how do I wait for that to return its results and then proc...
Hello, I'm wondering why the 'partial class' concept even exists in C#/VB.NET. I'm working on an application and we are reading a (actually very good) book relavant to the development platform we are implementing at work. In the book he provides a large code base /wrapper around the platform API and explains how he developed it as he te...