20,899 Topics
 | |
| | Hey guys! Some time ago, I saw someone asking about trial software protection, and my first thought was a '30-day evaluation' mode. I was thinking on how it can be done without using any third-party programs. How can I detect the first run and count down (or up) the number … |
| | I'm having a problem with the error in verifying the usernames that are already existing in the record/database. When you inputted a username that already existing it will throw an exception, and when you change the username, it still throws the exception. |
| | I am trying to create an Excel sheet and save it in server... Once it is saved, I display a link to the user "download excel". He can click it and then download it.. The pblm is I cant save the excel it says "The file could not be accessed." … |
| | Im using VB.NET 2005 i want to sum two records in database. So when i retreive them to display in my textbox they already sum. the numbers are in text. please help me ... im a newbie.. this is my code. con.Open() cmd = New OleDbCommand("select * from ChargedItems where … |
| | Hi all i have been dancing around this problem for a couple of weeks now and have not got any closer. Description: i have created a crystal report in SQL5 and exported it fine but now i have gone to open it in visual studio 2008 and it does not … |
| | I generate my xml into "variable string str" by using "dataset.GetXml" and then I write the "xml which is contained in variable str" into "file.xml" by using "sFile.WriteLine(str) while 'sFile' is a stream reader" My reason for using 'writeline' instead of 'dataset.WriteXml' because I need to encrypt the 'xml stored … |
| | Guys, can you give me some idea on how to turn the combo box/drop down box uneditable.  |
 | Hello, I am making a program for Microsoft Flight Simulator X, and When you are in Multiplayer in most games there is a Chat room, or Chat Box. Do you think that there is any way I can reach maybe an API or possibly monitor the Screen so If someone … |
| | Dear Friends I am using visual basic 2008 amd creatomg a datagrodview format like below Product Code | Product Description | Price | Qty | Discount(%) | Total 00001 Biscuits 10 2 00002 Cream 50 2 Now I wnat to get total balance in total column after less discount in … |
| | I'm relatively new with VB.net, so please bear with me... I have a tabpage with 28 textboxes in it. These textboxes will be loaded with data and maybe changed. There is a Save button on the form that will take the data from these textboxes and save them in a … |
| | i have problem guys about overload resolution Overload resolution failed because no Public 'Add' can be called with these arguments: 'Public Function Add(text As String) As System.Windows.Forms.ListViewItem.ListViewSubItem': Argument matching parameter 'text' cannot convert from 'DBNull' to 'String'. 'Public Function Add(item As System.Windows.Forms.ListViewItem.ListViewSubItem) As System.Windows.Forms.ListViewItem.ListViewSubItem': Argument matching parameter 'item' cannot convert … |
| | Hy!. i remember that in Qbasic i could assign values to variables from a text file. (not in the code inside.). How to make the same in VB.NET? Thanks in advanced. |
 | How to access all values of the selected Row of a DatagridView in C# using Coding, MS Access as a Database..??  |
| | My Form have a multiline textbox. In this textbox, theres lines like that: name1 - phone1 and i have to convert every line in 2 variables (or array). eg: name = "name1" phone = "phone1" how could i make it? |
| | Hi all, I've got a small problem with a database I'm working on, the project was given to me by college kids & their Teacher to complete. They created the database using Access 2007 and I'm left building a Windows App user interface in Visual Basic. Anyway I can't figure … |
 | I am using update query statment but is not working for this code [CODE]Dim myConn As New OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source= Provider=Microsoft.Jet.OLEDB.4.0;Data Source=../lms/DBLMS.mdb") Dim item As Integer myConn.Open() myComm = New OleDbCommand("UPDATE tblVehicles SET Vehicle_Type = " & cboVehicle_Type.Text & ", Vehicle_Model = " & txtVehicle_Model.Text & ", Plate_No = " & … |
| | Delete selected record on Button click. I am using MS Access as a Database in C#. How it can be done ?? |
| | Hi............ How can i pass and access the array variable in Stored Procedures |
| | I am using Visual Basic Express. Here is my code but my number is always a whole number when I divide I want it to be two decimal places. For example 367/12 should equal 30.42 not just 30. I do not understand what I am doing wrong? Private Sub btnIntegerDivide_Click(ByVal … |
| | Is it possible that when a user clicks, the fact that she may have clicked on two overlappping labels, for instance, be responded to ? In other words could the Sub for a click on Label1 check that Label2 has actually been clicked simultaneously ? Thanks. |
| | Hi................. How can i convert the Label to TextBox in VB.Net at runtime... |
| | i want to get the row(s) when the checkbox is check/uncheck in the listview.. thank u... [ICODE] For Each Item In CheckedItems If (Item.SubItems(4).Text) = "Cash" Then 'Code Here ElseIf (Item.SubItems(4).Text) = "Check" Then 'Code Here End If Next If (e.CurrentValue = CheckState.Checked) Then If LstvwBankDeposits.Items(0).SubItems(4).Text = "Cash" Then 'Code …  |
| | Hi guys - whenever i run this code i get " SYNTAX ERROR (MISSING OPERATOR) IN QUERY EXPRESSION" - ive checked everywhere and cant find a solution can anybody spot any errors here? [CODE] Try Dim updatecon As New OleDb.OleDbConnection("Provider=Microsoft.ACE.OLEDB.12.0;data source=H:\FROM HOME\EXTENDED PROJECT !!!!!!\Databases\Login Details.accdb") updatecon.Open() Dim updatecmd As OleDb.OleDbCommand …  |
| | hi, i want to integrate VB.NET with command window. in fact, i want the interface(built on VB.NET) to open the command window and it should automatically change the path to C:\Perl\eg and then it has to execute automatically the file what i specified. for this i already used the code … |
| | Guys: Please help. I need to create an on-screen shape (circle) that has a fill color, which will blink every X seconds (go from fill color, to white, back to fill color). This is trivial to do...BUT... i want to do it in my own class, so that I can … |
| | Good day! Guys how do I customize my Datareport? I want to group my data based on field value. This are my table fields; SubCode, Description, Units, Grade, Year, Semester I want to group records based on the Year value. There should be a different table for records whose Year …  |
| | [CODE] Dim mark_value() As Integer = {30, 40, 45, 50, 55, 60, 66, 70, 75, 80, 85, 90, 95, 100} Dim Grade_value() As String = {"W", "F", "-D", "D", "+D", "-C", "C", "+C", "-B", "B", "+B", "-A", "A", "+A"} temp = rdr(c2) For c3 = 0 To 14 If temp … |
| | hello guys, i have the following question/problem: -what i need to do is to get some data from sqlserver and send it to a dataset(no problem there) after i get the dataset filled i need to send the columns and rows to a textfile but i have to separate the … |
| | am designig softwear with vb.net 2008 and mssql server 2005 express that can print on id card. i have the query written correctly that can retrive employee info. including the picture on a report.my question is how to set the report to automatically pick the size of the small id … |
| | see teh code [CODE]<asp:DataList ID="DataList1" runat="server" Width="200%" > <ItemTemplate> <h4><asp:Label ID="DAtes" runat="server" Text='<%# Eval("date") %>'></asp:Label></h4> <asp:GridView AllowPaging=True ID="GridView1" runat="server" DataKeyNames=sessionid AutoGenerateColumns="False" CellPadding="4" Width="697px" style="margin-right: 0px" ForeColor="#333333" GridLines="None"> <RowStyle ForeColor="#333333" BackColor="#F7F6F3" /> <Columns> <asp:TemplateField HeaderText="Availability"> <ItemTemplate> <asp:CheckBox ID="chkgfln" Enabled=true runat="server" Text=Available /> </ItemTemplate> </asp:TemplateField> <asp:BoundField HeaderText="sessionid" DataField=sessionid /> <asp:BoundField HeaderText="userid" DataField=userid … |
| | Hello, I was wondering how to set focus to a program but what I tried did not work. Any Ideas And basically what I have is a typing bot, and I need the timer when it sends the message to open the specific program it needs to send the message … |
| | Hello all, I am trying to figure out how to click a button in the WebBrowser Control... I've tried stuff like: [CODE] WebBrowser1.Document.Forms(0).Item("btnG").Click [/CODE] but this doesn't seem to work. So how would you go about clicking a button in the webbrowser control in Visual Basic 2010? As an example … |
| | Hello everyone, I am looking for software which when installed on a computer will continuously check a database and pup up a small notification in the task-bar with the info from the database. i will really appreciate it if someone knows of an open source project which does this or … |
| | I'm having a problem with user control.. how can i disable from the panel the user control if another user control is selected from menustrip??? here is my code at the moment [CODE] Private Sub LabToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles LabToolStripMenuItem.Click If LabToolStripMenuItem.Enabled = True Then … |
| | Hi guys pls help me with my problem this is for my update code [CODE]Private Sub BtnUpdate_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BtnUpdate.Click Dim StrSQL As String = "updatePatient" classLibrary = New ConnectionLibrary classLibrary.openConnection(strConnection) 'label1.text = databasestatus If Not classLibrary.isConnectionOpen() Then Exit Sub End If classLibrary.initializeCommand(StrSQL) classLibrary.addParameter("@IPD_ID", … |
| | Hi All, I really need some help. I have been asked to write a search screen for a rooms booking application. I have kept the design nice and simple so all the user has to do is enter the dates they want to book a room for and the results … |
| | Hi, I m using vb.net with access 2007. I have field with datatype "datetime" and values in format dd/mm/yyyy e.g 8/2/2011. Now I have problem when i fire a query [CODE] SELECT * FROM tbl_name WHERE tbl_name.datefield= (Select Max(tbl_name.datefield) from tbl_name)); [/CODE] I have some records with dates 11/1/2011 and … |
| | Hello! I have a problem searching my record using a Combobox to display the data in a textbox or lablelbox Eg; txtUsername.text = rs!username lblAddress.text = rs!Address Ty in advance you can also email me at <<Snipped>> |
| | I am working in C#, I am displaying records in a DataGridview. Now, I need to edit a Record into a new small window upon selection of a record. Edit should be done on Button Click. Deletion can also done in same way (only through coding MS Access/ADO).. Please help …  |
| | Hi, I am using VS 2010, SQL 2008 express and doing windows applicaion programming in vb.net.I want to write a select query(or Stored Procedure) such that the conditions mentioned under WHERE clause can be variable .like : Select * from TABLE where F1 = var1 and F2 = var2 and … |
| | I have an Access relation database with a few tables. Customer, order, process1, process11, process130 etc. Customer Primary key is CID Order tabel har Primary Key OrderID and Forreign Key CID All the Processtables has ID as PrimaryKey and OrderID as Forreign Keys. The relations are set to 1 to … |
| | I have made an application using an access database. When I publish the application the database is set to be included. But when I install the application, the database does not install, then when I start my application I get an error because it can not find my database. Anyone … |
| | Guys forgive me if this topic is belongs to database forum, i don't have a clue if this topic is for database or vb.. Guys can you give me some idea on how will i link my login accounts that are stored in the database on their own profile forms(vb) … |
| | Hi guys, basically i have a form with textboxes such as First name surname phone number in. and each row has an auto number assigned to it. that auto number is the customers reference number. basically i want to be able to enter a reference number into a text box … |
| | Hello! Is there someone who can help me to make a timer on my entrance exam? I want every question last for only 30 seconds, after that, the next question will appear. Thanks and God Bless.! :D |
 | ..REALLY NEED HELP... me and my thesis group is wanting to make an alarm that can be connected trough the usb port..the question is, how can we send data to the usb to make the alarm ring ang stop ringing.. we need it in vb.net...needed it badly..asap..help will greatly be … |
| | Hello, I am just starting out with ASP.Net using VB.Net. I am trying to build a football website for my football club that has a backend CMS system. I have the database designed with primary and foerign keys in SQL Server 2005. I would like some help to: 1) Insert …  |
| | Hey frnds plz reply of mine questions.I want to just confirm my answers.Plz reply it by today only if poss.bz tom is my another interview [B]1)[/B] How to Delete Dynamically Allocated Array? a) delete a[] b)delete a[0] c) delete[] a d)delete [0] a [B]My answer a.Correct or not[/B] [B]2)[/B]Can we … |
| | i found this code to upload a file into a sql database using the asp.net fileupload object (or vb) i found it here [url]http://forums.asp.net/p/1480079/3451771.aspx[/url] i think it works, but i am a learning noob and have a question...where does my dbase info go in the code? [CODE] 1. If FleUpload.HasFile …  |
| | I'm currently using a combo box to select one of many alternatives. From 5 alternatives only 1 works, when i click on any other it gives me the following error: "Cannot bind to the property or column 'xyz' on the DataSource.Parameter name: dataMember" Why is this error caused? What are … |
The End.