20,278 Topics
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| | I am stuck at one multithreaded app. Basically I am trying to update one control from background thread. There are two forms. 1) frmMain 2) frmLog frmLog has one list box (lstStatus) and one function as following [icode] Public Sub SetStatus(txt as string) as string lstStatus.Items.add(txt) End Sub [/icode] frmMain … |
| | Will you please help me to solve this problem.. this is the code.. [CODE]Imports System.Data.OleDb Public Class Form6 Dim conn As OleDbConnection Dim cmd As OleDbCommand Dim strSQL As String Dim dr As OleDbDataReader Private Sub Form6_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load conn = New OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data … |
| | How To Enables any Control on a disable GroupBox |
| | What is the use of GDI+? Can I use it for creating custom controls to use in Vector Graphics program? |
| | hi, below is my code. i want to get grand total based on boothID but i seems my code does not functioning. I still get same GRANDTOTAL even i have different BoothId in the sql. How do i do that. Do i need to add something in my code. PLEASE … |
| | Dear DaniWeb Programmers, please help me with my problem. im trying to fetch rows in 3 TABLES using JOined Queries im tried the query first in MS ACCESS and it worked but when i tried to show it in Crystal report it wont show its data. Heres the code below: … |
| | How to connect the vb.net2008 from database through coding? please send me coding. |
| | I need a way to put a dataGrid inside a comboBox. The only way i could figure out how to do it is "using data bound items". The problem with that is that it only shows one column in the dataGrid. I need to be able to set it so …  |
| | HI, I'm getting the object refernce not set to an instance of an object error in the code below. I couldnt figure it out, where I'm going wrong. Please help. [CODE] Public Function GetConnection() As SqlConnection Dim connectionString As New SqlConnection() Dim Conn As String = Nothing Conn = ConfigurationManager.ConnectionStrings("connectionString").ConnectionString … |
| | Hi, I'm working on searching error files based on time. I have 2 folders which have permanent and temporary error files in it, and the only difference between permanent and temporary error files is creation time. I’m searching for error files in these 2 folders and my search should only … |
| | Hi, Can anyone help me on the requirements below? I dont have any idea on an inventory system...please help!!!! Objective Create an inventory system that allows records of company inputs and outputs, tht's viewable through daily, weekly, monthly, yearly report as well as online control over items. Aim To simplify …  |
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| | I have a list view control on one of my forms in my program. If i click on a selected item and click on the delete button it gets removed. But i want it so that if i havent got an item selected i click on delete i get a … |
| | Hey There all you clever people. Its Ruan here. I am using vb 2010, and i really would like to Just open, not modify a word document. Now i have browsed the internet, and this is what i have found.. in project menu>refferences> select .. microsoft word 9.0 object library …  |
| | I have a combo populated with: [code] With Me.cboOwner '// populate cboOwner .DataSource = dtMyCos .DisplayMember = "CoName" End With [/code] DtCos datatable contains: CoID int CoName string So far so good! Then I have a second combo cboIssuer that needs to contain all the items in cboOwner **PLUS** an … |
| | i have button add and the coding, but everytime 1 click the button, a messagebox said that syntax error INSERT INTO. all database column name and the textbox name is true. i checked many times. this is my code [CODE] Try 'add data inside the database con = New OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data … |
| | hi, how do i format the currency value. i have used [COLOR="Red"]Format(GrandTotal, "0.00") [/COLOR] but i still got output like this [COLOR="Red"]60917.3972[/COLOR]. How can i make it to 60917.40 |
| | hi, how do i get latest transaction from sql database. All the records is saved in sql database and i use different application to grab the data from sql base on transaction. I use SELECT statement but i don't know how to make it unique variable/ID. 1st user might have … |
| | In the MDI main form I am loading one child form (i.e Login Form)at the center of the MDI form. I want without closing the child form(Login form)no one can access the MDI main form.. After login only the login page should close and MDI form should enable true.. Before … |
| | Hi, I am using visual basic express 2008 . and i am adding few rows to the database using some stored procedure. it is working fine. after adding the row i am displaying in a grid using dataset . fine.but when i close the program and reopen the program i … |
| | [COLOR="Green"]*help me with this code i cant withdraw. *the balance inquiry didnt appear in the form4 *in my database, do i need to put the withdraw field? [/COLOR] <form 6> [CODE] Imports System.Data.OleDb Public Class Form6 Dim conn As OleDbConnection Dim cmd As OleDbCommand Dim strSQL As String Dim dr … |
| | Hello, I'm kind of new to this but have successfully launched a database UI before but this time I am using the Datagridview to display by data. I do this by OLEDB and establish my connection (see code below) and bind too two different datagrids: [CODE][/CODE] Public Sub FindTroubleshootingTable() Dim … |
 | Hi all If I am at the wrong place please excuse as I am new at this IT Discussion Community. My problem is that I want to convert an application that is written in VB6 to VB.NET using Microsoft Visual Studio 2008. The conversion completes but there are compile and … |
| | error message: No value given for one or more required parameters. that falls in dr = cmd.ExecuteReader need help Imports System.Data.OleDb Public Class Form1 Dim conn As OleDbConnection Dim cmd As OleDbCommand Dim strSQL As String Dim dr As OleDbDataReader ' Dim ctr As Integer Private Sub Form1_Load(ByVal sender As … |
| | How can I retrieve data from a DB in Access to labels, or radiobuttons in VB.NET? I've search and to retrieve data people usually show Datagrids. I just need to know how to navigate in records, by the number of their position (?) and to place that data in labels/textbox … |
| | Hi everyone, I am trying to build a code to get the website asynchronously using webclient.downloadstringasync I want to pass the data thus retrieved from dowloadstringcompleted to another function. This is the code I am using, [CODE] dim myString as String Function GetSite(ByVal as URL as String) StartDownload(URL) WebBrowser1.DocumentText = … |
| | hi there... i am very new (and i mean VERY NEW at visual basic) programming, lets just say this is my 5th hour (and counting) learning programming, i googled since hour 1, i even read almost all i can read while im installing visual studio 2010 coz i really want …  |
| | Hi everybody, I have following code: Public Class Form1 Private Sub btn1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btn1.Click Dim dayChange As Date = dtp2.Value Dim answer As Date answer = dayChange.AddDays(1) dtp2.Value = answer End Sub End Class Working : each time I click btn1 datetimepicker changes … |
| | hi guys i new in vb.net i want to ask about checkboxlist, can i add an image to it ? if yes who can i do it ? if no why?? thanks in advance best wishs start OF FU |
| | Hi, i got a program im working on. it does some calculations using quantity and price in such. heres the calculation module. [code] Private Sub calculations() If AdultsizeRadioButton1.Checked = True Then adulttotaldecimal = quantityinteger * adultpricedecimal * hoursinteger ElseIf ChildsizeRadioButton2.Checked = True Then childtotaldecimal = quantityinteger * childpricedecimal * hoursinteger … |
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