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In IT for 6 years...Enjoy working on VB.Net...Completed my BSC Graduation in Computer Science
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I am currently creating a product lookup system for a project of mine, however from reading around it has come to my attention that an OLEDB connection will not handle the SQL query below as it will not handle more than a simple "SELECT, FROM". Table: tbl_ProductInformation Field: Product_Name CurrentEntry … |
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What I'm trying to do is have a login type windows form to take a user name and password then compare these with data in the db then open an admin type form. I've been trying to get this to work for a few days now with no luck, about … |
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How to close main form i. e login form after login and it should not close application |
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Hello. I'm new to programming and I'm using vb.net 2010 and I'm stuck with this problem. So here are the details, I have 2 tables in my database, a product table and a category table. In my product table I have product no, product description and category no. In the … |
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I have added form1 and on it 2 text boxes. text box1 to accept fromdate and textbox2 to accept todate. After this,I added Crystal report from Add new Item. Then in Crystal report I added table and its columns. After that I wrote code behind form1. The code is not … |
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If any one now.How to Create User Account In Vb.Net Windows Application. |
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Please help me. I am trying to insert into mysql database, but it is throwing this error. **Fatal error encounter during command execution.** this is the sample of code am trying to run cn.Open() cmd.Connection = cn cmd.CommandText = "insert into corps(callup,statecode,surname,firstname,othername) values(?,?,?,?,?) With cmd.Parameters .Add("@callup", OleDbType.VarChar).Value = txtcallupno.Text .Add("@statecode", … |
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i have a windows forms with 7 texboxes, i would like to save the input into a sqwl databse , but i am having a bit of problem, this is my code: Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click Dim con As New SqlConnection("server = … |
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Folder name such as da12e5154f6b530007fd9e got automtically created in my system... Can anyone please tell me why such folders get created and how can I delete it... |
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i am so confuse dude.. why in my visual studio 2010 ultimate didn't show crystal report gallery? after i click "add new item" and add crystal report, it just show me SAP page that say "learn and download". i have install SAP crystal report runtime engine for .NET framework 4(32-bit). … |
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Hello! Why when I try to save a null value from textbox at sql server 0 is saved? The field type is number. I use an insert query to do that thanx in advance |
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I am sure most of you like animals here be it little furry ones or just a comapanion. So what types of animals have you kepts as pet before? |
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hi frnds, i have a window based datagridview with examdate as one the editable datetime column .Now i want user to update or change the date to a fully valid format(dd:mm:yyyy) just on pressing enter key within the datagridview. A popup message must appear when user enter wrong date. Any … |
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Hello, I am stuck with this problem.... I have few folders that contains a filename as **registration.txt** --- note the folder names are different since as and when a new user will register a folder gets created with its name and then the text file with the details of the … |
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Could someone please tell me hw 2 validate e-mail address on an event in vb.net?? |
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I got an error with my codes? Is anybody can help me ? The Error list said Identifier Expected? the error pertains on the last Underscore in my code but i dont know how to solve the error, Hope can someone will give an Idea to make it right :) … |
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My PC has 3 drives C, D, E...when I insert the removable CD drive it should detect that the drive is the F:... it may vary for different systems...how can I find which will can be the CD drive... I had written the following code Try For Each drive In … |
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I want to create tables in database dynamically i.e at the click event of a button or any other event. Suggest me HOW ? Thank You |
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Greetings! I just want to ask on how to transfer a letter from a textbox to label? what I mean is for example we have a label then a textbox, In a textbox I'm going to type a random words/letters then If there is a letter "A" in the text … |
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Hello Friends, Can anyone tell me how to increment a String variable by 1 in database. Suppose the database table has value as SL1000 and we want the next value to be SL1001. What should be done for such type of requirement in java. |
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I am developing a code where im getting the interval of two dates for example DTLeavePayFrom = 1/1/2013 DTLeavePayTo = 1/14/2013 since 1/1/2013 is tuesday and 1/14/2013 is monday, the date diff of both date is 14 but how can i exclude the count of 2 sundays, i have an … |
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I need some help here. I keep getting the same error over and over again. And I can't understand why I am getting this error while in fact I am using the correct username and password with write capitalization. I am encountering this problem in attaching dataset in my datagridview … |
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Public Module BackupRestoreModule ' save all db Public Function SaveDB(ByVal FileName As String) As Boolean Try ' create the stream writer object Dim FS As New System.IO.StreamWriter(FileName) ' open DB connection and start a transaction Dim Conn As New OleDb.OleDbConnection Dim Tmp As New LMS_DSTableAdapters.BookTableAdapter Conn.ConnectionString = Tmp.Connection.ConnectionString Conn.Open() Dim … |
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Hi, I am trying to insert values into my local SQL database. Here is my code: Imports System.Data.SqlServerCe Public Class AddSensor ' Shared variables Dim con As SqlCeConnection = New SqlCeConnection("Data Source=C:\Users\Bryan\documents\visual studio 2010\Projects\SiteSecure v1.1\SiteSecure v1.1\Database1.sdf") Dim cmd As SqlCeCommand Dim myDA As SqlCeDataAdapter Dim myDataSet As DataSet Dim oForm1 … |
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Can someone help me... I am new to vb.net with sql connection and I can't fix this error : variable name '@date' has already been declared. Variable names must be unique-- I need this to be fixed "ASAP" Im running out of time here because of the error here is … |
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Hi, I use databinding.addnew() but when I try to type data in cell an error message apper(DBNULL Exception).... Pls let me konw: How can I insert or edit data in DataGrid Thanks |
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Need help while working with timer.... I am trying to do the database restoring part.... When the user clicks on the restore database button the progress bar shud be shown and as soon as the restoring is completed the progress bar shud stop and display success msg... Right now I … |
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Imports System.Data Imports System.Data.SqlClient Partial Class test Inherits System.Web.UI.Page Protected Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click Dim txtName As String = TextName.Text Dim txtcomment As String = TextComment.Text Dim txtemail As String = TextEmail.Text Dim con As SqlConnection Dim cmd As SqlCommand con.ConnectionString = "SqlData Source=(LocalDB)\v11.0;AttachDbFilename=App_Data\library.mdf; Integrated … |
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Hello! I'm very new to visual basic and I'm stuck at transfering the text from one label on a form to another via a button click event I have 2 forms which I will call A and B. On form A I have a menu which when clicked brings up … |