20,284 Topics
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| | I came across this question: Which of the following are the valid method of command object? The answer given here is : ExecuteQuery & ExecuteScalar My doubt is why answer can not be ExecuteNonQuery and ExecuteScalar? |
 | I made three projects the first one is a windows form, the second one is a class library and the third one is another class library to be the reference of the second and first projects. Inside my second Project which is a class library there are two files a … |
 | Group, I've written a short stored procedure in SQL Server 2008 to create a new Order Number. The code looks like this: INSERT INTO ORDRNUMBERREC(OrderNo,UserId,CreateDate) SELECT MAX(OrderNo)+1,'system',GETDATE() FROM ORDRNUMBERREC WITH (TABLOCKX) In VB2010, I've written the following code to execute the stored procedure: con = New SqlConnection(sConnection) cmd = New … |
| | Windows Application Form: I have a problem with filtering winform datagridview by listbox items (multiselect). For example: My listbox items have guest name of 'Lim', 'Jack' and 'May'. I would like to filter my gridview data by these 3 guests. Which each guest has their own entry. This is my … |
 | I have two folders say A and B having exactly same no .of files with same name but different modified date and size. I want to compare each file of A to its respective file of folder B and get the newly modified file in a List box. If newly …  |
 | Need Help guys. I am beginer in vb.net. i am using vs 2008 with sqlserver 2005. my head will burt very soon :( i have completed a desktop application for a local shopkeeper but he says this is in english and i want it in URDU :@ ,,,, i WANT … |
| | how to create project online from vb6? use my hosting  |
| | Hey Everyone Is it possible to disable the dates that appear before todays date in a dateTimePicker control? I want to put in some validation so that my users can only select days in the future...ie a future appointment date Any ideas ? Thanks |
| | how can i convert an integer into a barcode? |
| | I am using system.net.mail for my email application and it works fine, untill I try to send multiple BCC address's. I can't work out why it is failing I get a long message from my try trap which basically says the server response was repeat limit reached. However I don't … |
| | Work has informed me that I need to run reports a certain way. I need to pull data out of the system database, and compile a report. I have a database with 3 tables. Personel (contains employee data), Q1 (1st quarter data) and Q2 (second quarter data). I'm trying to … |
| | Hi everyone, how can I send data from one application to another. Something like a chat. I have 2 applications opened and then I want to send some data, for example label1.text, to the other opened application and then for example show it with a MSGBOX. Do I nees a …  |
| | hi everyone, how can I read the html code from a certain web page opened with some browser. For example I have firefox with 2 opened tabs and then I want to read both html code until I can find some tags inside those opened web pages. thanks. |
| | I want to filter my datagrid view in my winform with a date range. I have 2 label with StartingDate(lblStart) and EndingDate(lblEnd) which is called from the datepicker on another form. Filter = "(DATE >= '" + Convert.ToDateTime(lblStart.Text).ToString("dd/MM/yyyy") + "' and DATE <= '" + Convert.ToDateTime(lblEnd.Text).ToString("dd/MM/yyyy") + "')"; And this … |
| | Hi folks Im a newbie. I have a combobox cboTeachersName that is bound to deptTeachers table. At runtime, it contains teachers of given subject (Course). I then select a teacher and save in a field in another table called Summaries. PROBLEM IS When I load the form and load the … |
| | Hi I want to compare files of two folders according to date time and size of files.. These folders contain same no. of files with same name, but may have different size and date time. I want to put odd files in two list box for each folder showing there … |
| | I have two questions here. First of all, how do I enable selection of multiple listbox items and select them via code? Secondly, how do I prevent the user from selecting multiple lines? Now, for some background and my thoughts. I'm working on a project for computer science in which …  |
 | Sample 1: Private Sub Get_URL() Dim AddressText As String = HttpContext.Current.Request.Url.AbsoluteUri.ToString ComboBox1.Text = AddressText End Sub Sample 2: Private Sub Get_URL() Dim AddressText As String = CType(TabControl1.SelectedTab.Controls.Item(0), WebBrowser)Url.ToString ComboBox1.Text = AddressText End Sub Neither of them successfully displayed a URL in my ComboBox. Any Help? Thanks. |
| | I have a access database from where I am populating the datagridview on button click event. but what I exactly I want to add record of access database in datagridview when button is clicked. Means on 1st click 1 record should be add in datagridview, on 2nd click another record …  |
| | I have an email programme that works sometimes, but mostly comes up with a general Mapi failure. I am at a loss as to the reason, but it may be a good idea to not use the mapi controls anymore if it is going to cause errors. I have looked … |
| | Hellow, I'm an intermediate VB.Net programmer and I need assistant to get a project done. I have a request as follows. 1. Confirm that source files exist (the text files) Obtain value of field, Location in File_Locations table where code = 'TEST'. If the source files don't exists in this …  |
| | What is an Assembly in VB.NET? And what are the advantage of Assembly?  |
| | I need some help with this one. i have a few code samples I have found on the internet, however, when I attempt to use them I get errors, and nothing really works. What I'm trying to do is get the text of a message box, and the contents of … |
| | Dear Friends i made a applicatoin where i need a variable value which will enter by after 1st installation... Infact it is a uploading to ftp application with a single click. but the file name is not constant for all all locatins. So i want i will enter it in … |
| | Hi all I have a Mdi Child Fom being oppened from the parent the form opens but the Load event will not fire UP. Doesn't the load event suppose to fire up every time the form is opened? Here isthe code usedto open the form from the Parent and also … |
 | This module is for validating textboxes.... After using this module in your project you can simply validate all of your text boxes like [CODE] Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load AssignValidation(Me.TextBox1, ValidationType.Only_Digits) AssignValidation(Me.TextBox2, ValidationType.Only_Characters) AssignValidation(Me.TextBox3, ValidationType.No_Blank) AssignValidation(Me.TextBox4, ValidationType.Only_Email) End Sub [/CODE] |
| | Hi, Anyone of you know hot to get item when user click on item in the listview. I want the data in listview display in the text box, can anyone give me some advice on this? The following code is my coding at Form_Load():- Private Sub Form3_Load(ByVal sender As System.Object, … |
| | Hi, Can someone guide me on how to call the public property from web services. i got error *Server was unable to process request. ---> Object reference not set to an instance of an object.* Below is WS public property Public Property LoginID() As String Get Return Me.loginIDField End Get … |
 | Greeting, Can somebody help me with this code i don't know what is the problem here Dim str As String = "SELECT DISTINCT FirstName,LastName FROM SessionMembers ORDER by FirstName, LastName asc" Dim cmdStr As New SqlCommand(str, con) Dim dtreader As SqlDataReader = cmdStr.ExecuteReader() While dtreader.Read stringCols.AddRange(New String() {dtreader(0).ToString}) stringCols2.AddRange(New String() …  |
| | I am currently creating a game. Everything in this game works great. To reset the highscores you click on a button and an input box pops up asking for your admin number. If the number is entered correctly the text files containing the highscores are deleted and blank ones replace … |
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