20,899 Topics
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| | can someone help me in creating a program that will simulate the two page replacement algorithms by using a reference pattern or string. The output of the program is to give the number of page faults of the two algorithms. Details of the program: 1. Declare a one dimensional integer … |
| | hello guys, I have a problem with my code first is i have two combobox named facname.text(facility name) and facno.text(facility no.) and when I choose in facility name(facname.text), in the facility no.(facno.text) should display the number of facility in that particular facility name..For Example you 2 facility for bowling and … |
| | I am Getting this error while updating MS Access through an OLEDB connection. I have already checked all the connections which were closed at that particular point. I am getting this error while updating an image in MS access database. Amazingly query runs fine if I omit updating of image. |
| | Hi, I have a problem with an VB aplication programmed in Visual studio 2005. Recently i was upgraded my computer with windows XP to Windows 7 Ultimate (fresh instalation). After that I made reinstallation Visual studio 2005 and service pack 1 for Vista/win7. My problem now is when I run … |
| | I know similar questions have been answered elsewhere, but they weren't much help to me. I've only been using .NET for about a week so go easy on me! I'm trying to insert data into an MS Access database. Here is my INSERT statement: [CODE] sCmdIns = "INSERT INTO Table1 … |
| | i have empty datagridview. Now i need to enrty the multiple values in datagridview after that when i click the save button i need to store the all values in sqlserver using c#. Please help |
| | Hi i want to use crystal report in my report i used a parameterfileds with name "bill_num" [code] CrystalReport1 report1 = new CrystalReport1(); report1.Parameter_bill_num.CurrentValues.AddValue("my bill number"); crystalReportViewer1.ReportSource = report1; [/code] but after running program my report asks me to set a value for "Bil_num" and ignores my value("my bill number …  |
| | hi, Below is my code for DELETE button. What i want is if the user select the transaction from the listview and press the DELETE button it must be able to delete the transaction from listview and text file(temporary log file) which i keep all the transaction record. At the …  |
| | Hey everyone, I have been searching and searching and cannot find out how to do what I'm looking to do, that is the only reason I would post a new thread. So basically, I am wanting to read a file that looks similar to this: [CODE] DATA START NOTES FILE … |
| | Hello All, Open Destination Folder programmatically using Folder Browser Dialog. [U][B][COLOR="Green"]CodeSnippet attached below[/COLOR].[/B][/U] Usually all know about the dialogs available in .net like savefiledialog, openfiledialog, printfiledialog etc; but many of us dont know about folderBrowserdilaog. Me too was unaware of it, and searched a lot to get code to open … |
| | hello, im a new user to vb.net... but i really really like this vb.net.. and im doing my best to learn it. well, i have a question: im using access as database.. my application needs to access the database, can i use a datagrid in my form to communicate with … |
| | I'm making a Library Management System and need to put coding for a scanner which will read unique data from each member card and thereafter display the database details of that specific user. Kindly suggest me some sources from which I can gather information about scanner coding, or if you … |
| | Hey guys. I am seriously not as smart as you all. I am working on this program and need read info from an access database to a DataGridView. Now that part i can do. the part i cannot do, and the code i dont know what it is, is to … |
| | guys plss help me with this need urgent why i cannot delete row in database this my code [CODE]Try Dim dsql As String Dim connect As New OleDbConnection(conString) connect.Open() dsql = "DELETE " dsql = dsql & "FROM InventoryItem " dsql = dsql & "WHERE TransactionDate = '" & TransactionDateText.Value … |
| | Hello everyone, i'm new here but i've been having a problem lately with a sql query inside the code i'm writing, and i don't know what else to do. I've been trying to retrieve data from a table, and i want to use a variable for the "where" field in … |
| | hello guys i need help in datagridview i know how to display all the data in database using the datagrid but the problem how can i display one data from one customer only in the databse if she input his name so far this is my code [CODE] Dim dt …  |
| | Hi everyone, I need a script that will redirect an excel API from one database to another using VB.net. I am still a novice. I need your help. Thank you. |
| | Hi Hope you all will be fine and enjoying life. I am using DateTimePicker control in VS.Net 2005 and its format is dd/MM/yyyy. I want the solution of problem when user inputs Day e.g 23 of Date(e.g 23/04/2007) the focus must change from Day to month after Day input and … |
| | I Would like to display only the IP Location Information in my webbrowser, or textbox with multiline. I googled really much on this but can't find how to do it :S website with table: [url]http://www.getip.com/mapit/[/url] |
| | I cannot find an article for the life of me that explains what I want to do, which seems so simple to me. We have an SSIS package we use to run some processes against our SQL server 2008. Each time we run it, we need to edit some of … |
| | Hi, i need a code to lock a Folder. nobody not to access the Folder. how i can do this using vb.net2008 |
| | Hi What is the ASCII code for Ctrl+copy in vb.net |
| | Hi everyone, I am working on an application which works with serial port communication with a PLC machine using modbus protocol. It is developed in VB.NET. Now I am able to establish connection using hyperterminal but i m stuck at creating the modbus data frame and in that generation LRC. … |
| | hi, How do i do if there is no record in listview i should disable the payment button. TQ [CODE] If ListView1.Text = "" Then paymentBtn.Enabled = False MsgBox("No Transaction") End If [/CODE] |
| | Hi All... i've nearly finished building a web browser using visual studio 2005, but i'm just having trouble displaying the url of the current page displayed in the web browser control! I've fairly new to this so please be easy on me!! i.e urltxtbox1.text = WebBrowser1. ????? Can anyone please … |
| | Hello ! :D Recently, I've working on my vb.net project. My problem is I need to create a HELP form that will be use for user of my system. However, I don't know the content of the HELP form that I should write that can help user understand my system. … |
| | [B][B]hello to all, I am making a database project in vb.net. I have one table which has 9 columns. I am using ms access database as server side. my question is that, how to insert rows with values in a table.please help me. thanks.[/B][/B] |
| | hi experts i m using ms access data base as back and in my new project, this is my code Imports System.Data.OleDb Public Class st_name Dim cmd As OleDbCommand Dim dr As OleDbDataReader Dim thismode As Integer Private Sub st_name_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load tcon() … |
| | can any one help me , how to search in datagrid using vb6..... i need tha code asap plz........ |
| | I am trying some Uiculture change functionality. In that I need the name and text of controls in a form to change the culture. I got some Demo project and it is in C#. I tried to make the same functionality with the C#.net and Also using VB.net. But the … |
| | I am trying some Uiculture change functionality. In that I need the name and text of controls in a form to change the culture. I got some Demo project and it is in C#. I tried to make the same functionality with the C#.net and Also using VB.net. But the … |
| | Hello Guys! I am new in this site!Im start learning vb.net and I guess i could enhance more thru this environment and with the help from some experts by sharing their knowledge. Someone can give any references regarding vb.net.? Thanks |
| | I need functionality to retrieve the new pk, like I could in DAO. I would like my "nLog" function (see code below) to return the new pk. I have found [URL="http://support.microsoft.com/default.aspx?scid=kb;en-us;815629&Product=adonet"]this[/URL], and I was able to make it work fine in my environment, so I'm pretty sure the problem I … |
| | Hello Daniwebbers! I'm trying to pull information from an XML webpage but for some reason it just isn't working. The XML webpage looks a little like [code=xml] <?xml version="1.0" encoding="UTF-8"?> <item> <reqdat>Date and time</reqdate> <result>Completed</result> </item> [/code] I want to get the <reqdat> node, but everything I've tried hasn't worked … |
| | Hi, I am using visual studio 2008. I have a winforms app that takes data from an xml doc. I store the data in a ms sql database that I have created via a stored procedure. When Irun the app the data from the xml doc is captured and put … |
| | hi I want to write a VBA program, where i want to convert the currency notes into coins. I made a userform with one label, one textbox and one command button. Simply i want to write the codes under command button and want to run the program. After running the … |
| | Dear All, I am doing a windows based application for work using visual basic 2005. I am having difficulty using linklabels in richtextbox. I found a custom richtextbox which allows to insert link labels in richtextbox in Daniweb.com [url]http://www.daniweb.com/forums/thread202171.html[/url] . It works great with one exception, it does not accept … |
| | Explain Singleton architecture of Remoting. |
| | Hi guys, Please help me when i install my application on clients it only connect with one user like Naveed/Password on domain but when i login on domain by using other user it gives me connection error what should i modify in my connecting string. [CODE]"PMS.My.MySettings.ConnectionString" connectionString="Provider=SQLOLEDB;Data Source=ITS;Integrated Security=SSPI;Initial Catalog=Payment"[/CODE] …  |
| | Hi everyone! How do I make a drop-down menu in vb 2008. This menu would appear when the user right-click anywhere in the form. The menu that I am referring to is just like in windows when you want to refresh your computer, open a file, copy or cut some … |
| | Good morning all; This one is blowing my mind and I could use a little expertise. I'm retrieving data from an Excel sheet, using a simple SQL query using a textbox as input to my variable. It works great when I enter an integer to search for (such as 213 … |
| | this should connect my datacontext to the new connection string but for some reason it does not work not sure is there a better was to do this. This is a WCF service also. [CODE] dim db as new theradatacontext Public Function connect_db(ByVal server As String) As Boolean Implements IKattservice.connect_db … |
| | Hi, I have a DataTable oDT. oDT is populated from SQL Server with 6 columns including a column "bAAA" of varbinary(200) I have a function fx(ByVal byteArray As Byte()) as String I would like to add a calculated column to oDT something like this: [code] oDT.Columns.Add("sAAA", GetType(String), fx(bAAA)) 'bAAA is … |
 | *sigh* I can't get this to work. My program fills all the values into an Excel spreadsheet- no problems there. What I'd like to do is a print preview/print function. I can't seem to get my code right, all I get are blank pages in the print preview box. [CODE] … |
| | Ok, here's what I've got. I have a form that exports to an Excel worksheet (sheet1) and it works great, no issues there or anything. It's not a template, just a regular .xlsx spreadsheet, but I use it as my template. Now, the goal is for the end user to …  |
 | the stored procedure is within a transaction. I want to get the inserted values after calling the stored procedure. My problem is, I don't know if that is possible because the transaction is not yet commited. Help. |
| | hello guys i need help is it possible to check if the customer input his complete name is valid or not? if yes how? |
| | Salaam to all viewers Dear please help me on this topics iam having a form,DatagridView,textbox datagridview contains a data when we write in textbox so the datagriview row select who matching data with textbox for example i write in textbox Nims so the datagridview row select where the nims find … |
| | Hi guys i have a form in my application that calculates the invoice of all the charges of a patients. there is a form that calculates the room charges of the patient but it will no update the previous record. what i want is the room charges form to calculate … |
| | i wan to create a table to show my sales report in vb,but we are not allowed to use datagridview what type of form we can use to show our sales report without using datagridview...? |
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