Hi all, I have subclassed a listview control in vb.net. I have added sort by header click, disable double click resize and disable column resize functionality using various windows messages and API Calls. All which work fine. How do I disable the cursor changing to a splitter when the us...more >>

i call gecicidoldur and i want to add StokIDile_MinnoDS records to MinnogeciciDS datase but i cant dim StokIDile_MinnoDS As New DataSe Public Sub StokIDile_Minno( StokIDile_MinnoDA.SelectCommand.Parameters.Item("@StokID").Value = m_stokI StokIDile_MinnoDA.Fill(StokIDile...more >>

hello i dont know where to use dataadapte for where i use dataadapter and datset and for where do i use only command ...more >>

Right this is a rant, I have asked a question and nobody answered... well thats ok.. so i tried again, then somoen picked it up for having a bad header... so i changed the header.. now someone picks it up for a repeat... why dont u bastards stick ur comments up ur ass... If u can't answer it dont ma...more >>

Hi.. i am building an window base application using vb.net... i would like to implement dock panel.. which is like the properties window in vb.Net.... how do i implement another window/panel do that it is dockable, resizeable, movable and hideable???? thankz :lol:[/quote] Posted Via Usen...more >>

Perhaps it is not the correct place to ask this question (if any, please tell me where is the correct place to ask this question) 1 -- 2 , 4 2 -- 1 , 5 3 -- 4 , 5 4 -- 1 , 3 5 -- 2 , 3 The number 1 to 5 above represents five different nodes, the number besides means the possible nex...more >>

i have created an sqldataadapter using a wizard and i can save it using datagrid control but don't know how to save the data from textbox. because i have a master detail form and the master form is populated w/ textboxes while the detail form is populated w/ datagrid control. in my sqldataada...more >>

Hi, Is it possible to click a button by code ? I want it to be as simple as it can, eg : button1.click() ... any idea ? assuming I don't know which sub will be fired when the button is click. or is there any way to check the handler that the button have so we direct call it ? Thanks, ...more >>

I've inherited an ASP.Net application and I'm new to .Net. I have a page which has a dataset declared at the page level. The dataset is populated within the Page_Load if Not Postback. Do I need to save the data set to a session variable? I want to use the contents of the dataset in the click eve...more >>

Hello, I would like my program to somehow lock a file on the file system ... say c:\myfile.mdb... so when the program is running the file is un-moveable, but NOT un-editable, This is to prevent users from moving the file during program execution.. which would lead to alot of errors in the program if...more >>

hi, what keyword should, to be assigned to the 'dataview.rowfilter' property, to replecate the keywords like 'trunc' and to_date' of any sql query ? i have a datetime column and i need to take only the date portion for comparing to a user entered date. anand --...more >>

Hi, I have 3 Button, Button1, Button2, and Button3. I have a variable i which will have the value of 1, 2, or 3. then I need to code like this (Button & i).visible = false Anyone know how to do it ? in ASP.NET, I can use findcontrol("button" & i).visible = false, but in VB.NET, is...more >>

Hello, I would like my program to somehow lock a file on the file system ... say c:\myfile.mdb... so when the program is running the file is un-moveable, but NOT un-editable, This is to prevent users from moving the file during program execution.. which would lead to alot of errors in the program if...more >>

I'm just starting to learn VB.NET (comming from VB6) and I'm having a little difficulty with datasets. I have created an XML Schema Dataset by dragging and dropping MS Access tables onto the design view. In Access, I designed the fields to have 1 primary Key field (GUID) and several "Required...more >>

Anyone know how to select an arbituary rectangular chunk of a RichTextBox. I mean I don't want to sellect entire lines but rather be able to grab, for example, one column of a table. I wouldn't mind it it took a lot of coding. For exampe, copy the text into another box and delete evertthing ...more >>

Hallo, How can I use different fontcolors in a listbox ? e.g. listitem1 : red listitem2 : green listitem3 : blue ... thanks, Snuyt...more >>

This may sound daft, so please forgive me for asking, but is it possible that given an array of bytes, which represents an object loaded from disk, is it possible to cast the bytes to an interface? For example, at present, I am extracting data blobs from my database and writing them to disk. Th...more >>

Background: I have three classes. The Person class, the Address class and the People class. Person and Address classes are exactly what they sound like. The People class is a class derived from CollectionBase and is a collection of Person objects. Finally, each Person object has an Address....more >>

Hi, I am working on a windows form which facilitates Data Entry operation. The form contains a variety of controls including textboxes, comboboxes, RichTextBoxes and Datagrid. I am looking for a solution which would help the user in moving around the form when he presses the enter button (tab...more >>

Hi, With WinXP it is possible to show tiles of pictures that are in a folder. Is there a control for this or do I have to use picturecontrols and make one for each picture during runtime? rg, Eric ...more >>

I have two datasets: dataset1 is filled with the contents of the database, which is closed afterwards, and then the dataset is changed. dataset2 is filled with the contents of the database. Now I want to update dataset2 with the changes in dataset1. I've tried : dataset2 = dataset1.copy ...more >>

Hi, What's the correct System.IO - or - whatever call to determine if an existing file happens to be open for writing by another application? Thanks, --George * George Yefchak * Phone: 408-970-0419 * Cell: 408-981-5521 * E-mail: george@yefchak.com * Web: www.yefchak.com ...more >>

How do you convert a string that holds a valid guid value to a variable of guid type. ex. dim sTest as string dim gTest as guid sTest="4D36E96A-E325-11CE-BFC1-08002BE10318" 'valid guid gTest=sTest 'Error on this line. What would be the proper function to call.. Thanks Mike. ...more >>

I have been told several times that the way I handle entering text and then the <Enter> key in my programs is the wrong way. The current way I do it is inherited from ancient times, but it works. When the user enters the text he wants and then presses <Enter>, I have a WithEvents object that ch...more >>

Hello. I have one quastion. In Picturebox I can select many colors for picture box backround, but I would lite to know If I can make picturebox, which have backround with 2 colors: transition from one color to second color. Thanks. ...more >>

Hey Guys, Is there any difference between static decleration in csharp to vb.net shared decleration ? 10x Dori ...more >>

HI I need to change the text property of a button on a toolbar at runtime. The text property is changing but it is not displaying the new text on the button. I tried toolbar.refresh but this made no difference. Is there a way to refresh a button so the new text will show? Thanks Nick St...more >>

Hallo, How can I make a datetime object that contains the current clocktime ? Thanks Snuyt...more >>

Curious, how does a menu merge work? docs say that the CLR takes care of it all, but I have a menu Item, that is the same name and text as another one in a child form (Using MDI). however, when I merge them, I get two separate menu item entries. I have the MergeType = MergeItems set on the ...more >>

The Situation: I've got a form with two tab pages: tab1 and tab2. tab1 has a button (btn1). tab2 has a text box (txt1) which is bound to a dataset column. Desired Behavior: When the user clicks btn1, if txt1 contains a value, then I would like to make a sub call. If the value is blan...more >>

hi, i have a listview which displays items with 2 subItems each. How can i store these 3 items from each row into a string array? currently i am storing only the first item, as below: Public strFields As String() For Each lv As ListViewItem In Me.lstFields.CheckedItems tmpValues &= ...more >>

(I allready used the search function of the dotnetboard, haven't seen any post about it) So, my problem is this one: I wana have a msgbox when I click the normal X-button on the right-top-corner of a normal win form. The msgbox would be like "Do you realy want to quit the app?" ... with ...more >>

Hello all, I need to know how to lock a file on the filesystem during runtime so that no body can move a file (say c:\myfile.mdb) while the program is running. Only should be locked moving wise, I still want it to be editable while the program is running. Please help me with this... I cant find a...more >>

Hi What is the best way to check if a 'String' variable is null or empty? I was usin If strValue.Empty Then .. But I am getting an error....more >>

I have this class that seems to work OK. Note that I supply the actual PD in the call. Public Class ImagePrint Private mPD As Drawing.Printing.PrintDocument -snip Public Sub PrintIt(ByVal PD As PrintDocument, ByVal PicImage As Image, ByVal DocName As String, ByVal Fit As PrintFit, ByVa...more >>

If I execute this code, with realString as array of zeros, execution goes always in "then" code: If Not System.Text.ASCIIEncoding.ASCII.GetString(realString).Length = 0 Then out.Append(System.Text.ASCIIEncoding.ASCII.GetString(realString)) End If If I debug I have: ? System.Text.AS...more >>

how can I know how many rows i have in a Data reader? is that possible? because i wanna do a progress bar of the job because it could take a several minutes the way I thought is like that but is a slow way dim i as integer = 0 while dr.read() i += 1 end while -- tks. Daniel S...more >>

I have a system.timers.timer that is not firing. Here is my code. Can anyone see anything wrong? Public Sub Main() Dim aTimer As New System.Timers.Timer() AddHandler aTimer.Elapsed, AddressOf OnTimedEvent ' Set the Interval to 5 seconds. aTimer.Interval = 5000 ...more >>

I'm trying to detect when users run games (solitaire, freecell, etc..)on all PCs on my network. Because of the Windows File Protection system won't let me overwrite the game executables, it looks like I'm forced to write an app that runs in the background and waits for sol.exe (for example) to sh...more >>

Hello, How do I get the user name (information) for the currently logged in user using VB. NET? TIA Simon Jefferies Tools Programmer Headfirst Productions ...more >>

How can I programmatically install an .inf file in VB.NET? Any help is greatly appreciated Thanks ...more >>

I'm working on creating audit trail functionality for a table in SQL Server that gets its data from my VB.Net program. Everything worked fine while I just had the Insert and Delete triggers. However, upon adding the Update trigger, I noticed that the following code will do something that SQL consi...more >>

I have built a vb.net form that contains a text box that is used to store a date field that is input by the user. The form updates work fine when the textbox is populated with a date. However, when the date field is set to empty/nothing by the user (which is a valid condition), the update fails ...more >>

How can I detect a change in a data grid using VB.net I do not want to cycle through all the controls (text boxes ) in the grid unless change has been made The Grid has a textbox control to display data. If there is no change then I do not want to update the grid or the database. If there is a c...more >>

Hi, I use Win XP styles so I set the button FlatStyle to System; but this doesn't show the Button Image. How can I set the image while applying the XP styles? Regards, ....Ashok ...more >>

Is there an easier way to convert a user defined structure to an array of Bytes ? I am currently using the System.Bitconverter class with the Copyto Method to copy one field at a time. Thanks...more >>

Hey, I'v looked in the MSDN and I saw that in order to develope SharePoint apps, I need to use the Microsoft.SharePoint NameSpace. Where this namespace is??? What do I need to install on my computer to have it? Thanks ahead! -- Joey ...more >>

I'm writing an ASP.NET application and all of a sudden my watches don't work. The "+" sign appears next to them but you cannot drill into them. (The "+" dissappears when you click it and the item does not expand). Is it possible that a change to web.config would cause this? Or is this a kno...more >>

I am wanting to give my users the same functionallity as the server explorer connection utility. Does ne1 know where I might find some samples or documentaion on putting together something like that....enumerate the SQL servers and MSDE etc. tia meh ...more >>

Folks, I've written what I believe to be a conversion utility. It takes the string from an input field and converts it into a SHA1 hash and then outputs said hash (in hex) to the next tetxfield. The step taken are as follows: 1. Capture string from input textfield 2. Convert string to...more >>

Is it possible to order betas of longhorn , yukon and all the other goodies offered at PDC this year. I wasn't able to attend, and would like to get my feet wet. Something like a 180 day trial / beta on DVD or CD ? Thanks, Amit Chandel...more >>

Has anyone encountered the following problem I' trying to prevent my program starting up twice. In my PrevInstance function I call the function Diagnostics.Process.GetCurrentProcess to retreive the processname. This does not work. This function hangs on my pc. If I try the same code on another PC (...more >>

I want to launch a process ftp.exe and monitor it in realtime so I can read and write to the console window based on the returned text. How do I do this? ie launch ftp.exe then process.standardinput.writeline("open ftp.domain.com port") then read, then write, then read etc etc The examples...more >>

Hi, Please could someone tell me if it's possible to de-serialize and ADO.NET recordset into an object and if so, how it's done? I am able to de-serialize XML stored in a string value and then serialize it back into XML but not to and from a recordset. Any help would be appreciated. Ro...more >>

Hello, i have a form in an ASP.net / VB with 2 buttons: <code> <form action="" class="tableForm" runat="server"> <asp:Button ID="Ybt" runat="server" OnClick="Go" Text="Yes" /> <asp:Button ID="Nbt" runat="server" OnClick="Go" Text="No" /> </form> </code> and then i have this V...more >>