In my connection code, I am getting the error: OleDbException was unhandled
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I've tested this with .mdf and .sdf database files, both with the same error, thinking that the error has do to with the file type. If there is anymore information I could give you, I'd be glad to.
Dim conn As New OleDb.OleDbConnection
Dim ds As New DataSet
Dim da As OleDb.OleDbDataAdapter
Dim sql As String
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The above code stops running at the point of the da.fill line with the error that the specified table does not exist.In my limited knowledge so far to me it looks like the operators table exists as it showing in the Solution Explorer.
i have a probleam with my coding.The error which i got is olehDBexeception was unhandled.In my coding here i am developing function use to subtract number in database based on user input.I dont how to solve this error? I also highlight the line cause an error and also i attach picture of the probleam.
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
'open db connection'
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i debug my code it says that i have a syntax error in Insert into statement and it highlights the
da.Update(ds,"MovieData") command ?? Why isn't this working?
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I'm getting the error "Syntax error in UPDATE statement." When I run it and place something in the txtPass box. However I have checked this everywhere and cant seem to find to find the problem. Everything else works fine except for that part.
Public Class Form6 Private Sub btnView_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnView.Click
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im trying to add a new records to database access but when i click the button submit it say's Syntax error in INSERT INTO statement, OledbException was unhandled da.Update(ds, "MSHS") = syntax error INSERT INTO
here's my code
Public Class StudentRegistrationForm
Dim inc As Integer
Dim con As New OleDb.OleDbConnection
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Dim cBuilder
As
New OleDb.OleDbCommandBuilder(dAdapter)
Dim dsNewRow
As DataRow
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I cannot seem to figure out why VB keep throwing me this exception but here is the code
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i am getting an error called "OledbException was unhandled-operation cannot be performed" when i entered the values in the textboxs and click button3.When i build this code,it is succeeded.but at the runtime when i click button3 after giving the values in the textboxes this error occurs. below is the code i used....
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i'm getting an error wen i click "ok" for my password. here is the error that i'm getting: OleDbException was unhandled 'D:Microsoft Visual Studio 2010ProjectsFor My DaughterFor My DaughterFor My Daughter.mdb' is not a valid path. Make sure that the path name is spelled correctly and that you are connected to the server on which the file resides.
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I am trying to debug my program and I am getting an OleDBException Was Unhandled. It then goes to the path where the error is located. The executable is listed in the bin file and I have re-built and built the application several times. The application is supposed to extract data from an external MS Access database. Note my code:
Public Class frmSpanishFoodStoreInventory
Private Sub StoreInventoryBindingNavigatorSaveItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles StoreInventoryBindingNavigatorSaveItem.Click
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i tried to figure it out few hours but i getting no way to solve it. I think i have sucessfully bind the datatable from the datagridview but just couldn't get it to update to access mdb table. It showed "Syntax error in Update statement" whenever i press the Button1.
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HERE's my code:
Private Sub Ok_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
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During Runtime when it tries to open the connection it throws up this error.System.Data.OleDb.OleDbException was unhandled'
View 9 RepliesI have the follwing codewhich transfer the value from NumericUpDown64 to the array Conc(0,0) which is part of the structure USerInput:
UserInput.Conc(0, 0) = NumericUpDown64.Value
When I run the program I recieve the NullReferenceException was unhandled. Object reference not set to an instance of an object.
So I'm trying to create a login which connects to a database which I've already created on db4free.net and already installed the connector. But as soon as i run it I have an error saying
'You have an error in your SQL syntax; check the manual that corresponds to your MySql Server version for the right syntax to use near '& Password WHERE Username = 'alan' AND 'Password = 'duong" at line 1
Imports System.Data.SqlClient
Imports MySql.Data.MySqlClient
Public Class LoginForm1
Dim MySqlConnection As MySqlConnection
Private Sub OK_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles OK.Click
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I get an ArgumentOutOfRangeException was unhandled error,
Specified argument was out of the range of valid values.
Parameter name: index when I try to populate a treeview in VB.Net 2010. Below is my code. How do I fix this error?
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I've spent a substantial amount of time trying to figure this out, but I keep getting the same error
A first chance exception of type 'System.Data.OleDb.OleDbException' occurred in System.Data.dll
A first chance exception of type 'System.NullReferenceException' occurred in project1.exe
This happens when I try to use the DataReader.my code is
Public Function Identification() As List(Of Integer)
Dim returnIndex As New List(Of Integer)
Dim dbCount As String = "SELECT Bookingid FROM bookdetail WHERE Date =" & getCurrentTimeString() & " 12:00:00 a.m."
Dim count As Integer = 0
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When i add an attachment to my email and click send i get an error.
Error : smtp exception was unhandled
Line : SmtpServer.Send(mail)
Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
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Working with an If statement I have tried the following
If -0.6 > (LLum_Gline(8).X - LLum_Gline(12).X) > 0.6 Then
patient_frm.llum_gline = 2
MsgBox("Measurement is Abnormal")
End If
I am getting an error message that says Argument out of range exception unhandled. I have double checked and verified that LLum_Gline(8).X and LLum_Gline(12).X are in fact valid.Is my problem simply in how i am phrasing the If statement. Is there a way for me to phrase what im doing without writing multiple if statements?
have anyone experience this error? I try to share my project to the other computer and i got this error:
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I created a button (Next) to navigate in a Table called CHAPTERS; My problem is that the button work Two, and sometimes three times. After that I get [Not specified error]. [Code]
View 2 RepliesIt seems I've tried a million little variations of this and I keep getting the same error: "The SelectCommand property has not been initialized before calling 'Fill'
Imports System.Data
Imports MySql.Data.MySqlClient
Public Class clsDB
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(I work in VS2005, Access DB, C#). I was trying to insert a row in a GridView and the following is the code. When I run this page, it doesn't display the existing data and in the footer row when I click on 'Insert' after entering the data, I get the following error:
OleDbException was unhandled by user code
Index or primary key cannot contain a Null value.
Code:
<%@ Page Language="C#" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "[URL]">
<script runat="server">
protected void lbInsert_Click(object sender, EventArgs e) {
AccessDataSource1.Insert();
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i have a probleam with my coding.The error which i got is olehDBexeception was unhandled.In my coding here i am developing function use to subtract number in database based on user input.I dont how to solve this error , please some help me to correct my coding here. I also highlight the line cause an error
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
'open db connection'
Dim Con As New OleDb.OleDbConnection("Provider=SQLOLEDB ;Data Source=Danawa;Initial Catalog=Store;Integrated Security=SSPI ")
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Public Sub db_UpdateWorkHistory(ByVal WorkHistory_tablename As String, ByVal WorkHistory As DataSet)
Dim Conn As OleDbConnection
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I am creating a application in VB.net. I've just managed to get a mssql connection going with the many people on this forum. I am now trying to establish a connection with Sybase server/db. Upon entering the username and password from my application front end, I get the following message:
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I am creating a application in VB.net. I've just managed to get a mssql connection going with the rom many people on this forum. I am now trying to establish a connection with Sybase server/db. Upon entering the username and password from my application front end, I get the following message:
View 1 Repliesok so i viewed some other question that are ruffly the same and i am still confused, here is the stacktrace
at Game3.My.MyProject.MyForms.Create__Instance__[T](T Instance) in 17d14f5c-a337-4978-8281-53493378c1071.vb:line 190
at Game3.My.MyProject.MyForms.get_Character_Creator()
at Game3.My.MyApplication.OnCreateMainForm() in C:UsersMasonDocumentsVisual Studio 2010ProjectsGame3Game3My ProjectApplication.Designer.vb:line 35
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also, where is game3.my.myproject, obviously its a line of code but what is it in.
Im having some problems with an OLEDBException error. The detail is saying: No value given for one or more required parameters.
I have posted the code im playing with at the mo, its tripping on the dataadapter filling the table.
Dim testdb As New OleDb.OleDbConnection
Dim GetTest As New OleDb.OleDbCommand
Dim TestAdapter As New OleDb.OleDbDataAdapter[code]....