Error Message - "ExecuteNonQuery: Connection Property Has Not Been Initialized

May 4, 2012

I'm trying to get a grasp on it. Anyways, i'm having the an error for the cmd.ExecuteNonQuery() it gives me an error message as follows "ExecuteNonQuery: Connection property has not been initialized."

Private Sub Button4_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnAdd.Click
Dim cmd As New OleDb.OleDbCommand
If Not cnn.State = ConnectionState.Open Then
cnn.Open()

[CODE]...

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Error - ExecuteNonQuery: Connection Property Has Not Been Initialized

Dec 17, 2010

I've got this code and it opens the database connection in debugging (and i've used the wrong password to test that it fails) but when i come to ExecuteNonQuery I get this error

ExecuteNonQuery: Connection property has not been initialized.Here is my code.VB.NET

Public ConnectionString As String = "Data Source=JOHN-PCSQLEXPRESS;Initial Catalog=RLNZ_11;User Id=App;Password=Password;"Dim connection As New SqlClient.SqlConnection(ConnectionString)connection.Open()
Dim command As New SqlClient.SqlCommand("INSERT INTO news (ID, NewsID, NewsTitle) Values (@ID, @NewsID, @NewsTitle)")command.Parameters.AddWithValue("@ID", "")command.Parameters.AddWithValue("@NewsID", NewsID)
command.Parameters.AddWithValue("@NewsTitle", NewsTitle)command.ExecuteNonQuery()

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Error ExecuteNonQuery: Connection Property Has Not Been Initialized. - System.data

Apr 25, 2011

I am trying to insert the information from comboxes, check boxes, and date and time picker. I am getting the following error when I hit submit button. "ExecuteNonQuery: Connection property has not been initialized. - system.data" I am sure I am making some silly code mistake that I am not able to figure out.

Dim icount As Integer
Dim SQLstr As String
Try
SQLstr = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:ADAccountDel.mdb;"

[code]....

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ExecuteNonQuery: Connection Property Has Not Been Initialized

Jan 27, 2012

When i am try to execute following code it gives "ExecuteNonQuery: Connection property has not been initialized" error,

Try
Dim cmd As New OleDbCommand
Mycn = New OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=E:\MILIND\Structure\Reports_DB.mdb;")
Mycn.Open()

[code].....

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ExecuteNonQuery: Connection Property Has Not Been Initialized?

Jun 6, 2011

Public Class LoginForm1
Private Sub OK_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles OK.Click

[code].....

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Mar 17, 2012

i just learn about VB.Net in the last 3 months...when i try to create a Sql server to VB connection , that message appear..i've no idea what is that...this is my script:

Private Sub TextBox1_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles TextBox1.TextChanged
Dim myConnection As SqlConnection = New SqlConnection
myConnection = New SqlClient.SqlConnection()

[Code]...

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VS 2005 ExecuteNonQuery: Connection Property Has Not Been Initialized?

Jun 15, 2010

Im trying to DELETE all records within a access table, this is my

[code]...

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Jun 15, 2011

In the form load event, I connect to the SQL Server database:

Private Sub AddBook_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
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[code].....

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Nov 26, 2010

I want connect to dbf file.
________________________________________________________
Imports System.Data
Imports System.Data.OleDb
Imports System.Data.Odbc

[code].....

The warning is: ExecuteNonQuery: Connection property has not been initialized.

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Jan 31, 2012

this code is in the button click , i get each data out using spiltbut i encounter error at "cmd.CommandType = CommandType.Text"

Dim conn As New SqlConnection(GetConnectionString())
Dim sb As New StringBuilder(String.Empty)
Dim splitItems As String() = Nothing

[code].....

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Jun 6, 2011

i need to update my data using stored procedure here is my code :Try

con = getconnect()
con.Open()
sqlcmd = con.CreateCommand

[code]......

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Dec 19, 2011

my problem is first of all i created a button and a datagrid to display the mydb.mdb in it the code behind that is as follows when i click on button the students table from mydb.mdb (which resides in my pc) needs to display in datagrid

<code>
using System;
using System.Collections.Generic;
using System.ComponentModel;

[code]....

the error is at Line: dbReader = cmd.ExecuteReader();an the error is :ExecuteReader: Connection property has not been initialized.

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Mar 16, 2012

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[Code]...

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Jun 6, 2011

i have problem with my code

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Public Sub increment()
Dim dr As SqlDataReader
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[code].....

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Jun 30, 2011

Public
Class Form1
Dim conn

[code].....

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Nov 3, 2011

Why i got this error ?? ExecuteScalar: Connection property has not been initialized

the red section got error.

my code

Dim sql As String
Dim sql1 As String
Dim sql2 As String

[Code].....

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Mar 3, 2008

I have been given the task of debugging someone else's program. It previously ran flawlessly on a 32-bit Windows XP system, but now we are steadily switching over to 64-bit systems and this program has "spit the bit" so to speak.

This is App.Config.xml
Code:
<configuration>
<appSettings>
[Code] .....

The problem is I don't know my alternatives are. System.Configuration.ConfigurationMananger.AppSettings doesn't work.
I've tracked the problem to the last line Con.Open().
Code:
Public Function get_quotes(ByVal strDBConnection As String) As DataSet
Dim con As SqlConnection = New SqlConnection(strDBConnection)
Dim strQuery As String = "SELECT qmpQuoteID FROM Quotes"
Dim da As New SqlDataAdapter(strQuery, con)
Dim dsQuotes As New DataSet("quotes")
Try
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Mar 10, 2011

I have the following code for a web page that I'm working on:

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[code]....

when the buttonclick event fires I receive the following error:

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[code]....

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[Code]...

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Private
Sub
OK_Click(ByVal
sender As

[code]....

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when the codes below is run, when it loses focus, the error 'connection String Property has not been initialized' shows and when i commented on the lost focus section, and click on saving, the sme error shows and ' da.Fill(ds, "Branch")' is highlighted.

[Code]....

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[Code]...

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[code].....

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VB
Public Class frmRecords
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[code]....

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[Code]...

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Nov 30, 2008

i make a class and when i call on form then that error occurs "ExecuteNonQuery requires an open and available connection, the connection Current stat is close "

Class Code isImports System.Data.SqlClientImports System.DataImports System.StringPublic Class DatabaseKits Dim Cn As New SqlClient.SqlConnection Public Function BuildConnection() As Boolean Try Cn.ConnectionString = "Persist Security Info=False;Integrated Security=True;Trusted_Connection=Yes;database=BizAimsPro2008;server=Server-2k3s" BuildConnection =

[code]....

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[code]......

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Dim Current As String
Current = Directory.GetCurrentDirectory()
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[code]....

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Private Cn As sqlConnection
Private Cmd As sqlCommand
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[code].....

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