20,899 Topics
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| | hi I need to code a tool repaire exe file how I can write this reg key [HKEY_CLASSES_ROOT\exefile\shell\runas\command] @="\"%1\" %*" "IsolatedCommand"="\"%1\" %*" thank you |
| | Hello i have a problem. I have a program which is supposed to download a file in a seperate thread, while the program checks file size. However i get this error when i try to debug (F5): Object reference not set to an instance of an object. Code: [url]http://pastebin.com/7QkyJYf7[/url]  |
| | Guys, why can't I find a property for my richtextbox for centering its text? A textbox has a property named "TextAlign" while in richtextbox, there is none. How do I center the text in my richtextbox? |
 | does anyone knows how to program using vb.net with rs232 module?, all i know is that i should use a compolet, but i can't understand a thing regarding the sending and receiving bit data to the machine.. I use CJCOMPOLET from OMRON |
| | Hello everyone. I have been struggling with my programming class from day one. I still can't seem to grasp the complete logic on how to write code. Anyhow, I have an assignment due that I am stuck on. Here is the assignment: In this exercise, you code an application that … |
| | I am having problem deleting my data on click event [QUOTE]Private Sub btnDel_Click[/QUOTE]. Here is my code: [CODE]Dim inc As Integer Dim cs As New SqlConnection("Data Source=Connect\SQLEXPRESS;Initial Catalog=ForumCrawl;Integrated Security=True") Dim dbSource As String Dim da As SqlDataAdapter '("SELECT * FROM search_result", cs) Dim ds As New DataSet Dim sql As … |
| | [CODE]Public Class Form1 Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click If ListView1.SelectedItems.Count = 1 Then '// check if only 1 item is selected. With ListView1.SelectedItems(0) '// with Selected item. Form2.TextBox1.Text = .Text '// item text. Form2.TextBox2.Text = .SubItems(1).Text '// item column 2.Text Form2.TextBox3.Text = .SubItems(2).Text … |
| | I have a program where it takes about 4-6 seconds to load(lets call it form2). form2 has a lot of code so what I want to do is create a progress bar. Form1 has the button that takes me to form2. So what I want to do is load a … |
| | Guys how do I set a column of a datagrid so that it will only accept numbers? I have this column labeled "Grade" which of course, should not accept letters. I have done setting its Format property but it is not working... Please |
| | Is there any predefined property by which I can set the DisplayFormat/DisplayStyle of a textbox? Suppose I want a textbox to hold the actual value 888888888888.88 and show it formatted as 888,888,888,888.88. In short it should hold 'Double' data type value and show it with thousand separators and decimal places … |
| | We have software like doPdf which prints without necessarily giving hard copy output. can somebody send me a code that can print a crystal report with a printer without giving physical output which will enable me save the file with a given name before sending it via E-mail. |
| | hai i am getting the error " IErrorInfo.GetDescription failed with E_FAIL(0x80004005)." when trying to execute the following code [CODE]Dim cmd As New OleDb.OleDbCommand("(select regno from s1 where batch=" + bt + ") intersect (select regno from s2 where batch=" + bt + ")", con)[/CODE] pls help me to solve this … |
| | I am trying to read through a table and for each row execute a few lines of code. (The lines of code are taking an data type integer column which contains a time HHMM and a data type datetime column which contains a date. The code combines the time into … |
| | Hi Guys need a bit of help! Basically I have a parent table called users which stores all the user info with a prime key field called ID. Now in the child table which has a seperate foreign key associated with the ID field in the parent table. What I …  |
| | could you help me, please ! ... because i am newbie, sorry :) at form vb net 2005, i can browse file .mdb (C:\my documents\db1.mdb), I have created a table in sql server database, where table is the same as the access table that will be imported, after that when …  |
| | I need help on DataGridView CheckBox. How can make a button enable or visible while only one checkBox of a datagrideview is checked? I tryed this , and it works but it only works when the datagrideview checkbox column is selected but i need when only one checkbox is checked … |
| | Hi to all, I'm creating an application in which the form contains one datagridview and 20 pictureboxes. When the DGV is populated, the user will drag a row from DGV and drop in any one of the pictureboxes. The picturebox should able evaluate a column value(say column 1) from the … |
| | Hi i am just new to VB.NET and our teacher told us to experiment on for loop in a ODD SUM Program you need to add all odd numbers from Input One to Input Two like that but i can't stop it from adding continuously for example i input the … |
| | I have a piece of code that takes two strings, puts them together, then attempts to save that result into a table in a database. For some reason, the database is only showing the second half of the string ([ICODE]Me.txtRev.text[/ICODE] in this case). When in debug, I can see that … |
| | I'm trying to format a DataGridView, with style color, etc. The DGV loads (via buildGrid method) at the startup of the form, as you can see in the constructor's code: [CODE]public Report1(DataSet dsReport1, string sDateRep) { InitializeComponent(); sDate = sDateRep; dsReportGrid = dsReport1; orgDataset(); buildGrid(); } [/CODE] Here's the code …  |
 | Hi everyone I've been having a small problem. on learning process of vb.net and sql server 2005 I hit a wall I want to know how can I filter the items on my datagrid which is displaying the data from my SQL server database, through a textebox text. sorry the … |
| | i need to get data from checkbox in a groupbox. in the groupbox, it also have a label. so my coding as below [CODE] For Each chkbox As CheckBox In gboSysGroup_AccessRights.Controls If TypeOf chkbox Is CheckBox Then If chkbox.Checked = True Then Cbx.Add(chkbox.Name.ToString) End If End If Next[/CODE] so when …  |
| | this is code which opens new window link in same programe [CODE] Private Sub WebBrowser1_NewWindow(ByVal sender As Object, ByVal e As System.ComponentModel.CancelEventArgs) Handles WebBrowser1.NewWindow ' This will be triggered only when link tries to open in new window. ' That means active element in web document will always be a … |
| | Please could someone help me on this issue? I have a VB.Net 2008 Application that I have already created it's setup. When I installed it on another PC (Apart from my Develoopment PC) I have this issue with viewing the reports. There are couple of reports created with the CR … |
| | Hi, I have an IEnumerable as a result of LINQ, which contains Value and Count. After I get the result, I want to do a string manipulation on the Value and make the corresponding Count to half. Is that possible with LINQ? Thanks |
| | I am needing help in understanding how to declare variables properly. I am needing to write as program that calculates the commission for a sales person. I keep getting a error listed below. I thought I declared the salestextbox, costtextbox as integers correctly to use them in the calculation. I … |
 | Hey guys, I am trying to build a function where it calls a dialog box to select an excel file to upload. Once the file is selected then read all data from worksheet 1 except for the header row and insert them into a table while omitting duplicates. In the … |
| | Is there a way that I can create this in vb.net for excel?? [COLOR="Red"]page 1 of 2[/COLOR] Title Name | Address . . . . Signature [COLOR="red"]page 2 of 2[/COLOR] Title Name|Address (continuation of page1) . . . Signature |
 | Dear All, How can i change the dtPicker style to 2D i.e what i want i want to have dtpicker in my textbox when i click in text box then the dtpicker should open how to achieve this please help me if it is possible in VB.NET. Thanks in advance. |
| | Hi, take a look to my coding: [CODE] Dim Dir As New DirectoryInfo("C:\Users\Leo\Desktop\Data Lau") Dim svrDir As New DirectoryInfo(" C:\Users\Leo\Desktop\Server") Dim FileList As FileInfo() = Dir.GetFiles("*.*", SearchOption.TopDirectoryOnly) Dim svrFileList As FileInfo() = Dir.GetFiles("*.*", SearchOption.TopDirectoryOnly) Dim fi As IO.FileInfo Dim svrfi As IO.FileInfo Dim isSame As Boolean = False Dim storfilelist … |
| | How can i create the project setup and include the database itself.. |
| | HI ALL! Let me start by letting you know that I'm still new to VB. All I know about Programing is with the use of google, Videos, and some good help from DaniWeb. I'm doing a program which searches datagrid colums with some classes That I have wrote. I have … |
| | Hello people :) I need some help. How can I get Webbrowser1 to navigate to each page and wait for the one page to completely load, then move to the next page...? Thank you for answers in advance! ;) Example. [CODE]Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) … |
| | Hi Guys need your help on this :( Basically I am developing a web crawler so once the html source is converted to plaintext in a textbox, i intent to save it in dB. But the dB seems to be having trouble excepting some characters into the table and throwing … |
| | hi all, i want my system to run when the computer boots. can somebody help me with a code that can do so? |
| | Hi Folks, I have a simple app (coded in VB 2008 Express Edition) that uses an SQL Server database (in .mdf format) that works fine on my own machine. I created the database in SQL Server on this machine. I added the DB as a data source and it works … |
 | I have written the following code in a class as my connection string. I want to retrive data from a field in a table in my database using this connecyion string. Please how do i go about it? [CODE]Public Class ConnectionString Public Shared Function ConnSQL() As SqlConnection Dim connectionString As … |
| | I am developing a windows phone application using VB.NET Can anyone suggest me of which database to use as MySQL is said to hang on a mobile device... |
| | Morning Daniweb, I'm currently working on a bot for UnrealSkill witch is an game-hacking website. They have a special chatbox within they post a code every 5 minutes, codes are like this: US1337-9I0OMSYAUFDDNMJLGHJJROD NV This is where i'm looking for: - The bot needs to click the refresh button every … |
 | I have two forms that are called by the main form. One is named frmEdit, and is invoked by the ShowDialog (modal) method. The other is named frmSearch and is invoked by the Show (non modal) method. In both cases I want to preserve the last window position so each … |
| | hello i ve 2 forms form1 & form2. form1 has primary key(parent table) & form2 has the foreign key(child table) [code] me.mytableadapter.update(me.dataset.mytable) [/code] is working f9 but in form2 when i try to use [code] me.secondTableadapter.update [/code] here problem comes the update function is not coming neither recognized by form2 … |
| | Hello in my form tableadapter's, update method is missing can u tell me the solution? |
| | 'ttudy the following code' [CODE]Public Function my_account() As Integer Dim accountNumber As Integer Try objconnection.Close() objconnection.Open() sql = "select min(accountNo) as ac from Invoices where dateDue='" & Today.Date & "'" objcommand = New Odbc.OdbcCommand(sql, objconnection) objdataReader = objcommand.ExecuteReader objdataReader.Read() accountNumber = objdataReader("ac") Catch ex As Exception MsgBox(ex.Message) Exit Function End … |
| | I am making databases and one of columns is bit(checked or not). an want to sum all the checked ones number field.how to find If is checked or not? Dim sum As Single = 0.0 For i = 0 To Table1DataGridView.RowCount - 1 sum += Table1DataGridView.Rows(i).Cells(4).Value() this is just how … |
| | how can i make a program that cleans temporary internet file or history ? |
| | I want to get the SNMP Getresponse in a datagridview..and i have created a program ..here is the code for getting GetResponse in DataGridView .. [CODE]Private Sub DataGridView2_CellContentClick(ByVal sender As System.Object, ByVal e As System.Windows.Forms.DataGridViewCellEventArgs) Handles DataGridView2.CellContentClick Dim dt As New DataTable() Dim snmp As New SimpleSnmp Dim kvp As … |
| | Hi guys! I am having trouble debugging these codes. I tried putting "New" keyword in declaring the image variables. Can anyone help me please? I'm creating an RPG game [CODE] Dim picf(), picl(), picr(), picb() As Image 'Main problem: when I put "New" keyword it says I 'cannot use it … |
| | hi, i have create simple chat application with windows live messenger.I have give reference of MessengerAPI type Library.then it works.after creating a setup file with inno software including interop.MessengerAPI.dll of chatting application(with windows live messenger).Install that setup on anather machine then following errors are generates. ( Error HRESULT E_FAIL has … |
| | hi, i have create a simple chatting application with windows live messenger.I have give the reference Messenger API Type Library 1.0.Then in form_load() event i have create the object of that MessengerAPI type library, ie, in vb.net windows application.I have used visual studio 2008.I have both check windows xp service … |
| | Hi All, I have reached the stage in my studies that I must choose an elective and I would really like your opinion on what to do as I am not 100% sure although I am leaning towards Java. So I have a choice between SCJP & SCJD or MCTS: …  |
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