ConnectionString Property Has Not Been Initialized?

May 11, 2012

I have a web application that works perfectly on my local machine but not once Ive uploaded to the hosting server i get:Server Error in '/' Application.The ConnectionString property has not been initialized.Description: An unhandled exception occurred during the execution of the current web request.review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.InvalidOperationException: The ConnectionString property has not been initialized.Source Error:Line 423:Dim conn As New SqlConnection(connstring)

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.net - ConnectionString Property Has Not Been Initialized?

Jul 15, 2009

I've looked at a lot of posts on different forums where others have received the same error. Most say they were not referencing the connectionstring from the web.config file correctly, or they were trying to open the connection before setting the connectionstring. Well, if that were the case for me, then how does it work on two different systems, but not on the third? It works on my development PC and on the development server, but not in the production environment. The difference is the web and DB server are separate physical servers in my production environment and on a single server for development. My setup, error message and code will be listed below.

I can simulate the error on my PC if I rename the connection string in either section of the web.config file (appsettings, connectionstrings) to something else. You will see how I have tested both below.

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ConnectionString Property Has Not Been Initialized

May 11, 2012

I have a web application that works perfectly on my local machine but not once Ive uploaded to the hosting server I get:
Server Error in '/' Application.
The ConnectionString property has not been initialized.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.InvalidOperationException: The ConnectionString property has not been initialized......

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The Connectionstring Property Has Not Been Initialized?

Jan 15, 2012

i get error " the connection string property has not been initialized" while inserting. am using MS access as database.

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Sql Server :: Error:The ConnectionString Property Has Not Been Initialized?

Feb 24, 2011

I have used this piece of code for connecting to the database..It is showing error like The ConnectionString property has not been initialized.

Dim sConnString As String = "user id=" + sUserID + ";password=" + sPwd + ";initial catalog=" + sDatabase + ";Connect Timeout = 30" + ";Pooling=true;Max Pool Size=" + MaxPoolSize + ";Min Pool Size=" + MinPoolSize + ";"

[code].....

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Database - Error: "The ConnectionString Property Has Not Been Initialized"

Aug 23, 2011

Dim Current As String
Current = Directory.GetCurrentDirectory()
con.ConnectionString = "PROVIDER = Microsoft.Jet.OLEDB.4.0;Data Source = " & Current & "SchoolMaticsDatabase.mdb"
con.Open()

[code]....

If tab index is changed the sub TabSelect() is called also. One other thing is that the program checks the day of the week and correctly displays the tab corresponding to that day. On Monday this code was working fine, as soon as it hit Tuesday this error cropped up.

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Getting An Error That The ConnectionString Is Not Initialized

Jul 11, 2009

I keep getting an error that the ConnectionString is not initialized.

Here is my

'* Configure data adaptor and fill data set
sqlDABC.SelectCommand = sqlCmd
sqlDABC.Fill(dsBC, "Supplier")

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Not Allowed To Change 'ConnectionString' Property

Jun 9, 2011

I am creating an login page connected to a database. I am using access ODB. the problem is, if the user makes an wrong input, and the invalid data message box appeared, when typing the data again, and press ok, the following exeption occured:Not allowed to change the 'ConnectionString' property. The connection's current state is open.[code]

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ADO Data Control [ADODC Property-ConnectionString Error]

Nov 11, 2011

when i got to ADODC and try to go to connectionString in the properties of ADODC, the ConnectionString Dialog Box will not open when i click on it its wants me to type some kind of text. However on tutorial it clearly states that a dialog box should open up.

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Asp.net - Connection Property Has Not Been Properly Initialized?

Mar 16, 2012

Im getting "connection property has not been properly initialized" error message on command2.ExecuteNonQuery().

I Have an SQL query which displays its result in a grid view (one result only) I'm attempting to get this result to update the database with this particular result from the SQL query

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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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ExecuteReader CommandText Property Has Not Been Initialized

Feb 12, 2012

Dear friends I am new in .net world and I am trying to display a single row to a literal. I prefer VB so my code is as follows but I'm getting the error "ExecuteReader: CommandText property has not been initialized".I also tried sqlCmd.CommandText = "getLastModificationDateTime" without the EXEC statement

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ExecuteReader: CommandText Property Has Not Been Initialized?

Jul 5, 2011

i have this code in form1 at buttonpreview

[Code]...

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Executereader: Connection Property Has Not Been Initialized

Jun 6, 2011

i have problem with my code

here is my code

Public Sub increment()
Dim dr As SqlDataReader
If con.State = ConnectionState.Closed Then

[code].....

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ExecuteReader: Connection Property Has Not Been Initialized?

Jun 30, 2011

Public
Class Form1
Dim conn

[code].....

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ExecuteScalar: Connection Property Has Not Been Initialized?

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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DB/Reporting :: Connection String Property Has Not Been Initialized

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
con.Open()

The error is "The ConnectionString property has not been initialized."

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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: CommandText Property Has Not Been Initialized?

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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Error With The Using Statement And Lazy Initialized Property

Dec 1, 2009

The code below will throw an InvalidOperationException: The ConnectionString property has not been initialized. The exception is thrown at the line calling Connection.Open() in the Load method. If I use the try-finally statement instead of the using statement, everything works correctly. Can anyone explain why the exception occurs with the using statement?

[Code]...

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Fill: SelectCommand.Connection Property Has Not Been Initialized

Mar 10, 2011

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

Imports System.Data.SqlClient
Imports System.Data
Partial Class _Default
Inherits System.Web.UI.Page

[code]....

when the buttonclick event fires I receive the following error:

Error:System.InvalidOperationException: Fill: SelectCommand.Connection property has not been initialized. at System.Data.Common.DbDataAdapter.GetConnection3(DbDataAdapter adapter, IDbCommand command, String method) at

[code]....

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Fill: SelectCommand.Connection Property Has Not Been Initialized?

Jun 6, 2011

I am using MsAccess DB and Vb.NET 2008. This is a code to check the Database for duplicate entries but m geting an Error." Fill: SelectCommand.Connection property has not been initialized."

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Fill:selectcommand.connection Property Has Not Been Initialized

Nov 2, 2010

1) My login screen is talks to a database and is supposed to verify the users credentials - instead i get this error and i dont know what to do next pleae help.. This error occurs on the line that says adaptor.fill(dataset, "0") ------Fill:selectcommand.connection property has not been initialized

Private
Sub
OK_Click(ByVal
sender As

[code]....

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InfalidOperationExeption : ExecuteNonQuery: Connection Property Has Not Been Initialized?

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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SelectedCommand Property Has Not Been Initialized Before Calling 'Fill'?

Jan 27, 2011

I have the following cod

Public Class Payrollfinal
Private Sub Payrollfinal_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load

[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]...

But it gives me the following error: ExecuteNonQuery: Connection property has not been initialized.

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VS 2008 Connection String Property Has Not Been Initialized

Feb 9, 2011

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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C# - Initialize The Variables - Name Property Of The Dings Class To Be Initialized At First?

Jan 27, 2011

I have classes similar the following:

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I want the Name property of the Dings class to be initialised at first, I know, I could also create the foo-object (as member of dings) later in the constructor. But I want to have it this way, because in the end there are very much singleton objects instantiated in the Dings-class that I want to be created in only one line.

[Code]...

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Error.. Fill: SelectCommand.Connection Property Has Not Been Initialized?

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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