20,899 Topics
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| | I realize that the response time of my GUI is extremely slow! I have three combo boxes - I want the user to select a template from one drop down list, which will populate the second drop down list with customers related to that template. When a customer is selected, … |
| | I'm having problems with if statements present value (PV) should be no larger than $10000 interest rate is not higher than 10 and no less than 2 and number of years at least 3 I've tried the if statements with error messageboxs but I was getting confused with all the … |
| | Im trying to dynamically add controls such as text boxes, radio buttons, check boxes, etc to a user control(ascx page). Im basically trying to build a very simple faceted search. Here is the scenario the user defines a string that specifies what is to appear on the page, some thing … |
| | How do I get a textbox to automatically update with information when I select an item from a combobox? [icode] txtCustID.Text = Custds.Tables(0).Rows(cboCustomer.SelectedIndex).Item("custno")[/icode] is what I came up with, and it populates properly when the combobox is first loaded up, but if I select another item, the text boxes don't … |
| | I'm curious as to how you would go about programming your own tutorial and presentation software. It's important that is has interactive features similar to Adobe's Captivate. Any ideas anyone? |
| | how can I select which data I want on a report from code in vb.net? I've been trying to use a dataset but that isnt working. |
| | Hi all! I am moe pwint phyu, trying to learn vb.net programming. I want to know about vb.net programming. And I love to write program and finding new knowledge. |
| | Hi all i need one help. i have a text file something like this date time employee name Department id Employee id Jan 2007 12 pm abc 001 676666 ''''' ''''''''' '''''' '''''''''' ''''''''''''' ''''''''''''' '''''' '''''''''' '''''''''' '''''''''' Feb 2007 9am xyz 005 434367 all are tab delimited and … |
| | i have customer details in my sql database. then i have a textbox, combobox & button. if i type customer name in a textbox i should get his id in combobox. if there is more than one customer with same name that id also should fill in combobox. i need … |
| | I am using VB.Net express edition 2008. Please help on how to insert into two separate tables from one form? this two tables have one to many relationship thanks in advance |
| | Ive been trying for a while to make a calculator in Microsoft Visual Web Developer 2008 Express but cant figure it out or come close. I have all the buttons set up and ID as Button1, Button2,etc. Same with the add,minus,divide,multiply buttons. The tricky part is theres 4 labels and … |
| | hi please help me finding what's wrong with this code [code=vb] Dim i, j, x As Integer Dim n As Integer = 7 Dim str As String = "" For i = 1 To n For j = 1 To n str = str & " " Next For x … |
| | What is the syntax to display the contents of a simple text file to a listbox? |
| | Hi I'm trying to extract certain parts of each line of a text file. An example of the lines is as such: [text] [number] [text] [number] [text] [number] ...And so on. I would like the text and number from each line as a separate element in an array of strings. … |
| | in one single button click i need to execute one insert query and two update query in three tables. i tried this query but i got error as [B]"There is already an open DataReader associated with this Command which must be closed first."[/B] here is my code please help me! … |
| | Hey All, Does anyone know, or have a link to an article, that would tell me how to distibute a .net MONO application? The full package of Mono is like 75 MB but I know al lot of that is the compiler and libraries that I don't need. I just … |
| | Hi everybody If I can Store The database accessed information in DataTable object then what is the purpose of DataSet, Similarly if i can use DataAdopter object with dataSet , then what is Command Object? |
| | hi I have a system color value stored in a variable e.g. (Color [A=255, R=255, G=128, B=128]) and i would like to assign that to the back color of a form but i keep getting the error: " Control does not support transparent background colors. " my code: [CODE] formcolor … |
| | i have a problem inserting record into the sql server databases. but i could not get the corret sytax i have read a lot of book but i am getting a lot of bug in the code pls i need you help to help me get code that i could … |
| | i am working in vb.net application, .net 2005 and sql server2005 i am doing multi user application, my doubt is how to restore database in my server system without interrupt client systems? |
| | pls guys, i'm waiting for your reply..thanks! |
| | an error is found on line: letters = input.Substring((count), 2) it says that the index must be within the string I don't see why it is an error can anyone help? Function DigramCount(ByVal input As String) 'takes two charcters at a time out of input 'string and determines their frequencies … |
 | [code]Public Class Form1 Private Sub TextBox1_MouseHover(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles TextBox1.MouseHover ToolTip1.SetToolTip(TextBox1, "Cash Flow") End Sub Private Sub TextBox2_MouseHover(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles TextBox2.MouseHover ToolTip1.SetToolTip(TextBox2, "Account Balance") End Sub Private Sub TextBox1_MouseDown(ByVal sender As System.Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles TextBox1.MouseDown TextBox1.Clear() … |
| | Please friends am working on a project in which am trying to make it possible that when the first letter/alphabet of a name is keyed into a textbox linked to a search button and when the search button is pressed, all the names/rows begining with that first letter will appear … |
| | Hey, I am trying to create the sum of my values contained in MyArray variable simultaneously while assigning the values in the same loop. Afterwards, I want to find the average of the numbers after the loop finishes. Problem: When I compute the numbers, I keep getting the same sum … |
| | ok i have a few textboxes and they have a "default" text. when you put your cursor into the textbox how can i delete the text automaticaly. see my picture to understand more |
| | Hello friends, I want to update the record in my database in MS-Access.What code should I write to update it?? What is the syntax for update statement?? plzz suggest me if u hv any idea... |
| | Hi.am working on a project but the damn thing is that i dnt knw how to design good UI.is there any FREE softwares Or UI libraries that work in vb.net.pls help me.  |
| | Hello, I need help with a few things. Most of these things, I tried to do, but I need to know if I did them correctly, if not, how do I fix my problem? Thanks. 1) How do I make my MessageBox.Show say [B]"The Sum of Array Numbers is ____ … |
| | Dear Friend , I am Using Vb.NET for creating windows application. I have attched MS SQL database to my application and project is over. I dont know how to create setup file. please someone help me regarding this. Thank you, |
 | Hello all, i have a problem and im in need of your help... I have a treeview with 2 parent Nodes and in the parent nodes there are some node: [ICODE]Members New Search Administration Groups Photo Location[/ICODE] In all nodes there is a checkbox for a spesific reason, like this: …  |
| | i have a web browser control which i have added a status strip. I can get the status strip to display the clicked link fine but i would like it to display the link target when the mouse is hover over the link but i cannot get it to work! … |
| | i have a datagrid which show values in a dataset. I can add new values fine with the below code, but when i delete one of the rows (highlighting a row and using the delete key) i get the error: 'Update requires a valid DeleteCommand when passed DataRow collection with … |
| | I trying to create some, what i thought, simple rollover buttons. everything works fine except that the background colour on the mouse enter is always different to what i set. I have tried all the different flat settings on if set to 'flat' the background colour allways appears different despite … |
| | Hi, I want to Convert 1. HTML file into PDF file and 2. PDF file into HTML file through code in vb.net or c#.net without using third party component |
| | Hi All I am trying to convert xml file to a text file. But my program creates an empty text file and does not copy any text from the xml file. Please help Thanks My code: Dim Doc As New XmlDocument Dim NodeList As XmlNodeList Doc.Load("C:\Temp\MyXml.xml") NodeList = Doc.SelectNodes("/response/TAG") Dim … |
| | Private Sub PrintToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles PrintToolStripMenuItem.Click Try Dim streamToPrint As StreamReader Dim printFont As Font Dim screencapturer As New ScreenshotCapture.ScreenCapture Dim randomGenerator As New System.Random(2000) Dim filePath As String = Application.StartupPath + "\tempScreenShoot" + randomGenerator.Next().ToString + ".jpg" screencapturer.CaptureWindowToFile(Me.Handle, filePath, System.Drawing.Imaging.ImageFormat.Jpeg) streamToPrint = New StreamReader(filePath) … |
| | Hi All I am getting this error message when i run my pocket pc application using active sync on my PDA. i get this message when I am using threading in my application otherwise the code works but application crashes when i am trying to access the menus while the … |
| | Dear Sir/ Madam I would like you to help me as below: I want to create a project for manage student information and i have one table store student information in the table have student ID, Student Name, Address, Photo.... and i want to insert student information with photo and … |
| | Please Any One Help me to Check Browser Compatibility in asp.net. |
| | Hi friends, I have so many forms but i want to load a form in place of current form but i am unable to do. Please help me. Just like visual basic 6.0 go to project ->properties->startup objects but i am not found in VB.NET Thank you |
| | friends i have a problem. i want to find out tcp statistics(bytes recieved&bytes send). for this i used this code [CODE]dim a as system.net.networkinformation.tcpstatistics dim aa as long aa= a.bytesreceived() [/CODE] this code shows a warning as [QUOTE]Variable ‘a’ is used before it has been assigned a value. A null … |
| | hi, i need help, i used vb component in asp pages but now i changed the vb component to vb.net dll in asp pages this dll is placed in asp application bin folder but the asp application can not connect to dll ie cannot create object. so pls help me …  |
| | Hi All, I have a problem with displaying items in a list box. I have inserted a radio button to display 15 lines of calculations, press the OK button and then display another 15 and so on. [code] intCounter1 += 1 'add one to counter intPaymentNum += 1 'add one … |
| | Hi I have a form which adds data to a dataset, which can be viewed in a datagrid as it happens and then they finish and this adds it to the database - but after a short while the data that was added seems to rdissapear ffrom the database! Wondered … |
| | I am creating an application in VB.NET that has multiple pages. It's turned out to be a four page application as it took 4 forms for me to get all of the information for this application. My question: Is there a way for me to somehow link these forms as … |
| | How can I use C++ programme from vb.net thanks in advance |
| | i am working on a project on online railway reservation in asp.net using vb.net.in this,i want to use credit card for the payment of reservation of tickets .tell me how can i do this |
| | i just got too bored and want to write another program so that i have something to do. But because i am out of ideas i thought i could make a thread and ask all of you for ideas about programs that could be used in everyday life by an … |
| | I am trying to learn VB .NET again. Have not used in a long time. I have bound my controls to my datatable and then I put values into the controls, I then have a button that I am trying to get to add/update the rows to the database. It … |
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