20,284 Topics
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| | Hi all, I have a program which connects to sql and uses crystal reports. I have many records and crystal reports takes a while to load up. Would multi threading help improve performance? Here is my code: [code]Private Sub EmpLog_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load Dim … |
| | I'm currently building a VB.net Application and I'm having a problem on reading out records to use in making another record or for computations. For example: table A records will be read and will compute an output to be saved on table B. Tried to use reader on this but …  |
| | I m selecting the folder & playing all the files in the media player, of that folder. As u know folder contains all types of files including text,zip,image & so on. So I want that when URL that is assigned to Media Player is .txt,then i assign any default image … |
| | I have tried Private Sub btnUpdate_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnUpdate.Click Try Me.BindingContext(DataSet11, "wtab").EndCurrentEdit() Me.OleDbDataAdapter1.Update(DataSet11) end sub AND ASLO TRIED Dim Row As DataRow Row = Me.DataSet11.Tables("wtab").NewRow() Row.Item(0) = TextBox1.Text Row.Item(1) = TextBox2.Text Row.Item(2) = TextBox3.Text Row.Item(3) = ComboBox1.Text Row.Item(4) = ComboBox2.Text Me.DataSet11.Tables("e").Rows.Add(Row) Me.OleDbDataAdapter1.Update(DataSet11, "wtab") BUT … |
| | Hi All, How to add a [b]candidate key[/b] in a table in SQl?? Please Help. Thanks. |
| | Hi, In vb.net2008 if we want to disable/enable the groupbox as per condition.Then how its possible when we used save button.how its insert into database.following is the code: Imports System.Data.OleDb Public Class addcust Dim da As OleDbDataAdapter Dim ds As DataSet Dim cmd As OleDbCommand Dim cmd1 As OleDbCommand Dim … |
| | sir/madam, if u can tell me a testing tool for .Net at a lesser price forward ur reply to this mail id. |
| | Hi, I need to try AJAX in my future Applications. Can anyone here help me with use of ajax, advantages, need of ajax. and it would be very appreciable if anyone can help with simple example of ajax using asp.net 2.0 (vb) and sql server 2k. thanks, Nitsy... |
| | hi Is there any way of making the input to a inputbox show as astrix? Im entring a password and dont want it to be shown on the screen. Any suggestions would be great. Thankyou! |
| | Private Sub btnUpdate_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnUpdate.Click Try ''''''''''''''''''''''''''''''''''''''''''''' Me.BindingContext(Me.DataSet11, "wtab").EndCurrentEdit() Me.OleDbDataAdapter1.Update(Me.DataSet11, "wtab") Catch End Try End Sub Private Sub btnAdd_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnAdd.Click Me.BindingContext(DataSet11, "wtab").AddNew() ''adding new record/row to the table MsgBox("Successfully Inserted") End Sub |
| | I want to validate a textbox so that only numeric values can be inserted in to it. This validation should done while user enters the values. For example. Consider following keys had been pressed in a sequence 12345abcd678 only numeric values should appear in the textbox so value which should … |
| | Helo every one i m trying to update record to ms database using vb.net. but i m getting error message. pls help me where i made mistake. here is my code. [code] Dim da As New OleDb.OleDbDataAdapter("SELECT * From tblCustomer", strPath) Dim cb As New OleDb.OleDbCommandBuilder(da) Dim ds As New … |
| | i have a website uploaded at server and when i run that site (on click of add to cart button) it gives error SERVER APPLICATION UNAVAILABLE so can u help me whats the problem is |
| | Hi all, I'm hanged out with my application.,I 've a form in that when i click submit button,I want to enter the details from the textboxes in the form to a dataset table.I did it,but the problem is that I want to add multiple rows in that datatable(at runtime).Also I … |
| | hi i am trying to create a application for doctors n have to enter all the information regarding the patients i am using access as the database n nw the problem is tat the doc is supposed to save the patient details n when he opens it again he shld … |
| | Hi guys, i want to set virtual memory to System Managed size option through wmi in vb.net. can any one tell me the class name to do this in wmi or wmi query to set system manageg size for virtual memroy? |
| | Hi All, In the below code I take a string and split it, then assign it to a "Label" object. On my computer it works great but when I "Publish web site" I recieve the .NET error messages "Object reference not set to an instance of an object" and "Index … |
| | I am my wits end. I have been toying with this code for class and I am stuck. Every time I run the program it shows what I placed within the list box, however that is it. been on this for nearly two days and I need a fresh set … |
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| | 1) Diff b/w nothing & string in terms of variable declaration. 2)Erase keyword. I have never heard of such keyword in mine whole 1 + yrs of exp. 3) Diff b/w functions & properties? I say,Functions return a value,But propertiesare used to set or get the values. He say properties …  |
| | When I'm attempting to load a program, there is a certain aspect that relies on a separate api to grab information to stick in a listbox (combobox whatever). I would like to be able to load the combobox on a separate thread because that part takes a good 2 minutes, … |
| | hi,im doing a Mobile Banking System for my project. how is it possible for me to use arrays as my data. n viewing it |
| | I use an ODBC connection through a dsn, and I was wondering what would be the best way to handle some exceptions. There are two things that I need to catch: 1. If user cannot connect to data base due to network down. 2. If user loses connectivity during use. … |
| | Hi! I am a computer science student and I'm in final year. I want to create a [B]vb.net(2005) project.[/B] [B]May I have some examples of vb.net projects? Give me some topics.[/B] |
| | hey frnds, I want to ask you want thing is it possible to resize the image of media player without changing the image height + width. Plz somebody help me out.. [code] Public Class Form2 Dim sFilename As String = "D:\Documents and Settings\All Users\Documents\My Pictures\Sample Pictures\Blue hills.jpg" Private Sub Form2_Load(ByVal … |
| | I used the multimedia control, and it worked great. But when installing my project, it did not work on all computers. (When trying to run it on some computers, it said, there was a problem, and it shut down the program) What could be the reason for this? Do you … |
| | i need to make a simple inventory system for wholesaler, for my college project. i am new to vb.net and dont know where to start. please help. |
| | Hi! So i am kinda of new to asp. I have created a registration page in vb.net. The information is suppose to be handed off into msaccess database, however it doesn't actually send the information. It will send the Email however to the user. The code is listed below. Can … |
| | A bit vague I will try to be as descriptive as possible. Im making a program in Visual Basic my first one. And I want there to be 2 combo boxes and a Windows Media player Addon, Combo Box 1, I will select which TV Show I want to load … |
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