20,899 Topics
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| | Well, I have managed to create controls during runtime. Dim Rbut As New Button() Dim Lbut As New Button() With Rbut .Location = New Point(590, y + 15) .Text = "Remove" .Name = FontName(ListBoxCount) End With With Lbut .Location = New Point(590, y + 45) .Text = "Lock" .Name = … |
 | Situation: need to read a CSV (txt) file that has no header and has 4 fields (all numeric), the number of lines will vary. Sample data: 160827,00003,000000075,0000025 84144,00001,000000050,0000050 161060,00002,000000050,0000025 40015,00002,000000100,0000050 61955,00002,000000100,0000050 etc etc I want to read this file into a DataGridView for proofing and later insert all these lines … |
| | Hi, This is pankaj, I am currently working on the printing project. Here I have creating a custom paper(height = 1000mm and width = 800mm) on the printer via code and then trying to print the text on a specific location (for example. top = 1cm and left = 1cm). … |
| | So I'm making a Program to Start/Restart/Stop and running commands from the Console for my Server. Now when someone uses the console, I want to be alerted of it on my Mail. I am using Visual Studio 2010. This is my Code: Dim mail As New MailMessage Dim smtp As …  |
| | **Synopsis:** I have a report generated from the report wizard in VB that works, but I only want to load data from the same department as the current user. **Details:** The application connects to MySQL using the MySQL Connector/Net. I have a users table in the database, one of the … |
 | Oky i have a big problem that needs help fixing Here's my code : Private Sub FullLoginTimer_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles FullLoginTimer.Tick Try If MbFacebookBrowser.Document.Url.AbsoluteUri = "http://www.facebook.com/login.php" Then MbFacebookBrowser.Document.GetElementById("email").SetAttribute("value", Emailtxt.Text) MbFacebookBrowser.Document.GetElementById("pass").SetAttribute("value", Passwordtxt.Text) MbFacebookBrowser.Document.GetElementById("Login").InvokeMember("click") End If Catch skipErrors As Exception Try If MbFacebookBrowser.Document.Url.AbsoluteUri = "http://www.facebook.com/login.php" Then MbFacebookBrowser.Document.GetElementById("pass").SetAttribute("value", … |
| | plsss I need help!! I have problem with my insert data into database this is my code Public Sub doSave() Dim con As New OleDb.OleDbConnection(My.Settings.SystemDataConnectionString) Dim cmd As New OleDb.OleDbCommand Dim adap As New OleDb.OleDbDataAdapter Dim ds As New DataSet Dim dr As OleDb.OleDbDataReader con = New OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=E:\D_S_S - …  |
| | guys help me with the code for adding items in the combo box but without duplicates. i have an assignment which is a simple web browser. the combo box will be the address bar. and everytime i input an address, it will be added in combo box and should not … |
| | Hi All I have a unbound datagridview which i use to enter data. I would like to make calculations using individual cell data as follows:- Datagridview1.rows(0).cells(1).value = datagridview1.rows(1).cells(1).value + datagridview1.rows(1).cells(2).value This works fine but if im using lots of cells it can be quite confusing .I was wondering if there … |
 | Hello, please help me. I want to maximize my form size when i maximize my window. means when i double click on window to maximize then my form also get maximize with window, i used dock property bt still not getting proper result. |
 | hello ! well i dont have any idea about the socket programming ,i am developing an lan chatting application , i want to add the file transfer functionality in it , now you are thinking that why not i share my folder over network , well i dont want to … |
| | Hello Friends, I have a doubt.... Can we set the windows form resolution according to pc screen resolution and even the control should be adjusted....is it possible??? eg. My screen resolution is 1366 X 768 and my form size is 1254, 709....but I want it so set according to the … |
| | So, I'm automating a payment import system, writing the whole thing from scratch. It has to pull data from excel files (including extraneous data that we need to discard), process it, and insert it into a database. Oddly, those aspects are going quite well. However, I'm running into a problem … |
| | Hello Friends, One help needed.... I have a product database....in which I have productid,prodname,inventoryvalue,reordervalue I have to design a email system that as soon as the product reaches the reorder level it shud generate an email.... but the condition is there will be many products in the database....and on one … |
| | Never had this problem before, and i am not sure how this happened. I got a Mysql sql database for my project. The id field is set as auto increment, which seems to function correctly. But on the form in my text field and datagrid i see a negative number, …  |
| | hello ! i am working on a c# project , but i had done all this is vb before , now i have all the code in vb.net and i want to use it in c# project , someone told me that if i make dll of my vb modules … |
| | Here's the html i want to understand i want the first div class to let the program no im dealing with only hel(helium) and then still in the hel(helium) section , is span class i want the production value so basicly i want only one at a time not the … |
 | I am working on creating a basic battleships game in .NET, I have got all the functionality working however i have never used .NET for any networking applications. All i need to do is send a co-ordinate to the other player when they click on a given square. the co-ordinates … |
 | I want, create (+) like this two line a little big than +, but it's have to always topmost, i run a game it's again topmost. How can i, Thanks now |
| | Here's my code Dim allelementds As HtmlElementCollection = MbFacebookBrowser.Document.GetElementsByTagName("span") For Each DD As HtmlElement In allelementds If DD.OuterHtml.Contains("resource") Then TlsResourceComboBox.Items.Add(DD.GetAttribute("InnerText")) End If Next LblHel.Text = TlsResourceComboBox.Items.Item(0).ToString LblIro.Text = TlsResourceComboBox.Items.Item(1).ToString LblOxy.Text = TlsResourceComboBox.Items.Item(2).ToString LblWat.Text = TlsResourceComboBox.Items.Item(3).ToString As you can see im currently using a combobox as a type of a list … |
| | Hi Daniwebers, As a personal interest I was thinking to develop some chat tool. But I havent done any network programming so was hoping for some guidance from you. How can I build simple login program for www.nimbuzz.com ? how can I start to work on this project? Any suggestions, … |
| | Dim MaxVal As Integer For a = 0 To DataGridView1.RowCount - 1 If MaxVal < DataGridView1.Item(DataGridView1.ColumnCount - 1, a).Value Then MaxVal = CInt(DataGridView1.Item(DataGridView1.ColumnCount - 1, a).Value) End If Next MsgBox("The Optimum Value is " & MaxVal, 1, "Optimum Choice") |
| | what sql command i must use. this is my current command but it give me an error saying "The specified filed 'ClientNo' could refer to more than one table listed in the FROM clause of your sql statemate." Try dc.Connection = conn dc.CommandText = "SELECT * FROM tblClient, tblClientInfo WHERE …  |
| | Hello Folks, Im really newbie in VB.NET and i hope that someone could explain how may i do this successful, ok im explaining now.. I had two richtextboxes and one button First richtextbox contains the following text: <user_register.php: 2012-02-21 00:03:49 POST username=sexhunger15 email=ho_t**@hotmail.com email_confirm= password=vergota password_confirm=vergota country=CA msisdn= isyp=0 isPremiumChat= … |
| | I have an Attendence form the form is like this the employee should select there number then click on sign in button it should save the date of the day , the time in , the number of the employee and display tha data in the gridview and disable the … |
| | Hello everyone.I am new to vb.net 2008 and i am in trouble.The problem for me is that i am making a windows form for a company and i am in a mess in getting my database connection to my datagridview by clicking a button and my data should been shown … |
| | Hi to all first to say I am beginner in programming so please dont mind for mistakes I could write here :) I have this problem, on the form I use one combobox with Data Bound items, Data source, Display member & Value member. Besides this combobox I have textbox … |
| | When I am scrolling datagrid after selecting one row I am getting error as "An unhandled exception of type 'System.StackOverflowException' occurred in System.Windows.Forms.dll" on line : MyBase.Edit(source, rowNum, bounds, [readOnly], instantText, cellIsVisible) Whole code is given below : ' Hosts a TextBox control in a cell of a DataGridColumnStyle for … |
| | ` connectionString="Data Source=########;Initial Catalog=DowntimeD51;Persist Security Info=True;User ID=#######;Password=########;Connection Timeout=120;Encrypt=False;TrustServerCertificate=False;Network Library=dbmssocn"` I have the above connection string in a vb windows application , This is part of my app config file. I then have a number of table adapters for connecting my business logic to the database , One of the queries … |
| | Hi, Ever had an application that you want to store user specific settings on? e.g. login name or Form background colours, User specifc DSN connections etc. So the next time they run the app the information is there for them? This can be achieved in VB.net with just a few … |
| | can you help me how to select from multiple tables. so far this is my code how do i Dim dr As OleDbDataReader Dim dc As New OleDbCommand dc.Connection = conn dc.CommandText = "SELECT * FROM tblClient, tblLoan WHERE ClientNo = '" & ClientNo & "'" dr = dc.ExecuteReader If … |
| | Hello Friends, One help is required.... I have a select query which is based on two criterias.... if the order is in process or if the order is received.... The datagridview will show all the records from the database,,,, I want to disable the rows in datagridview which will be … |
 | This a just a basic webform setup of a listbox being populated with data from a database, in this case the Northwind Access database, and then populating textboxes with data related to the item the user selects. [u]1. WebForm [/u] -Create an ASP.NET webform page -Add a [b]listbox server control[/b] … |
| | Guys, I having problem with the encryption method. I have the class but not quite understand. It will store the salt and hash password in the database. Imports Microsoft.VisualBasic Imports System.Security.Cryptography Imports System.Text Public Class PasswordCrypto Private Hasher As New SHA1CryptoServiceProvider() Public Function GetSalt(ByVal saltSize As Integer) As String Dim … |
| | please help me guys! i cant install crystal report for visual studio 2010! i already have installed vb express 2010 and yet the installation always fails because the installer says :You must already have Visual Studio 2010 installed to proceed with this installation PLEASE HELP! :( |
| | hello guys how limit the number of data being display on DataGridV0iew ex. i have 100 records, i want them to fetch all but limit the display by 10's and navigate the other. sorry guys thats the best way that i can explain the situation, need somehelp pls.., thank you …  |
| | Hi there, I am trying to use parallel.for in order to calculate the summation of all the values in an multidimensional array. I googled and found [Click Here](http://msdn.microsoft.com/en-us/library/ff963547.aspx). However, this is just for one dimensional arrays. The LINQ does not work for multidimensional array. And when I use parallel.for it … |
| | here is my dilemma I have a database that consists of tables (duh!) for an award nomination project where I have a table for nominees and a table for each category of qualifications for example table 1 (nominees) name ID_NUMBER PK DEPARTMENT NAME PHONE# table 2 (education_information) ID_NUMBER FK DEGREE … |
| | I am trying to save database after inserting the records into dataset from external file.... But when I insert records and then try to save it, it does not save...No error comes up though.??? Can you please look into the code and help?? If file_path = Nothing Then Msgbox.Show ("Database … |
 | To save data to your program using My.Settings. To do this go to your program's properties and to Settings. Create your variables there and to access them, here's an example: dim FavNumA as string FavNumA = 5 My.Settings.FavNumB = FavNumA My.Settings.Save FavNumA=3 MsgBox (FavNumA) MsgBox(FavNumB) You will get a first … |
| | My doubt is : 1] I have got many forms and MDI container. There is close button on all the forms.One of the form name is Homepage. 2]Whenever the user clicks on close button,i.e.the cross button with minimize and maximize box, The form will close but at the same time … |
| | hello, im have problem with my code..im used access database, when i select combobox1, the textbox will appear data set as value member....but data not appear on textbox..someone can help me :) this my code Sub fillcombo() Dim acscmd As New OleDb.OleDbCommand acscmd.CommandText = strsql acscmd.Connection = acsconn acsdr = … |
| | Hi.. i'm new in vb.net and i have problem with my project. can anyone help me with this problem.. -update button Dim con As New OleDb.OleDbConnection(My.Settings.TREViS_03_ConnectionString) Dim com As New OleDb.OleDbCommand Dim adap As New OleDb.OleDbDataAdapter Dim ds As New DataSet con = New OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:\Users\Yaya\Desktop\TREViS(03).mdb;Persist Security Info=True") con.Open() Dim … |
| | Hi daniweb members. Today i would like to how to get all the current frames from a website and also how to access those frames (Meaning , only showing that frame or where the loc is of that frame? |
| | how to save records in listview into ms access database table using a button , i've tried with my codes but nothing is saved in the database `Inline Code Example Here` private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click Dim con As New OleDbConnection con.ConnectionString = … |
| | i have 6 collumn in a listview , how do i multiply each data by row in collumn 4 and 5 and display the result in collumn 6.?? `Inline Code Example Here` Dim itm As ListViewItem str(0) = txttarikh.Text str(1) = txtresit.Text str(2) = Txtkod.Text str(3) = Txtnama.Text str(4) = … |
| | How can i get my key's value using a stream reader [SettingsMB] Remember Me=1 Auto Log In=1 [DataMB] Password="Mypassword" Username="MyEmail" |
| | So, I'm currently trying to open a .xls/.xlsx file, tell it to run a macro to refresh the workbooks, and then save the file as a different file name, thus leaving the original untouched. Now, technically, it is working, because the last person who held my position wrote a dll … |
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 | Hello all, we have a vb.net windows appliacation that uses sql server as backend. we have created all reports for this application using crystal report that is embedded in visual studio 2005. everything is working fine except the reports specially which needs to be displayed is custome mode. we have … |
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