ExecuteNonQuery Not Throwing Error When Command Is Wrong

Oct 7, 2010

I'm passing in a sql command such as "EXEC StoredProc 0" into a a function called ExecMyCommand where StoredProc is a stored procedure taking a parameter of 1 or 0.It works fine with the following code.I had tried to judge success by looking at NumRowsAffected but soon realized that the -1 could represent a successful run even if -1 was the return value.So then I changed the code and return mLastRunOutcome = False if there is an error.So for testing I changed the name of the SP to like StoredProc2 in the database and ran the same command "EXEC StoredProc 0" and to my amazement, no errors were thrown in the code below..Of course ran the same command in Query Analyzer and it barked that there was no SP by that name.How do I know when a command ran successfully or not in code here? and Why didn't the ExecuteNonQuery throw an error when the command was not right??[code]

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Error - ExecuteNonQuery Requires The Command To Have A Transaction

Oct 11, 2010

Public Sub Procedure(ByVal procname As String, Optional ByRef param() As SqlParameter = Nothing)

'Execute Store Proc In Database
Dim cmd As SqlCommand
cmd = New SqlCommand(procname, conn)
cmd.CommandType = CommandType.StoredProcedure

[Code]....

I have came out with a simple DAL, when i pass in stored procedure and param, it throw me exception as the following

"ExecuteNonQuery requires the command to have a transaction when the connection assigned to the command is in a pending local transaction. The Transaction property of the command has not been initialized."

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VS 2008 Getting A Syntax Error On The ExecuteNonQuery Command

Apr 29, 2010

I keep getting a syntax error on the ExecuteNonQuery command. I am sure that the table names and column names are correct. Anyone see what I am doing wrong? Am I using any reserved words as column names or something?

Dim da5 As New OleDbDataAdapter("SELECT JobPlanNumber, SLPartNumber, Quantity, Order FROM tblSLMaterials WHERE JobPlanNumber = ?", cn)
Dim ds5 As New DataSet

[Code].....

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DbCommand Can't Run Multiple SQL Command In One ExecuteNonQuery()

Jun 6, 2011

With DbCommand I'm trying execute this SQL statement[code]...

But when I run each command from strCommand standalone then everything works fine.

I'm using VS 2010 Professional and SQL Server 2008 R2 Express.

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Return Value For Command.ExecuteNonQuery Function

Apr 3, 2009

What value will be returned from below execution with select, insert, update, delete?

Dim L_EXECUTED_NO1 As Integer = command.ExecuteNonQuery()
Dim L_EXECUTED_NO2 As Integer command.ExecuteReader()
Dim L_EXECUTED_NO2 As Integer = command.ExecuteScalar()

For example, I tried "Dim L_EXECUTED_NO1 As Integer = command.ExecuteNonQuery()" with Update SQL statement and that returned "-1". But it returned 1 for Delete SQL statement.

If Query_SQL("EXEC SP_ATT_CLOCK_INOUT_UPDATE '" & L_TODAY_DT & "', '" & L_EMP_ID & "', '" & L_START_TM & "', '" ) = True Then
MsgBox("Successfully saved!", MsgBoxStyle.Information)
End If
Function Query_SQL(ByVal SQL_Query) As Boolean
[Code] ......

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Dec 29, 2011

Imports MySql.Data.MySqlClient
Public Class Form1
Dim myTime As Date = TimeValue(Now)
Dim myDate As Date = DateValue(Now)

[CODE]..................

It'ss not running the cmd2.executenonquery. I've tried many different things such as opening a different connection and yet it still doesnt run that line of code, but it'll run the message box in the if then statement. So I assume it's something to do with the connection somewhere. I've also tried using try and catching the error. nothing. So the problem is that its just not running query2.

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Partial Public Class _Default
Inherits System.Web.UI.Page
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles

[code]....

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[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()
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command.Parameters.AddWithValue("@NewsTitle", NewsTitle)command.ExecuteNonQuery()

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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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Why would my try-catch block still be throwing an error when it's handled?[code].......

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Here's my code

[Code]...

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Mar 22, 2011

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What am I missing here?
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sCurrentRateType = rdrCurrentRate.GetString(12)

[code].....

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Jun 9, 2010

I'm testing my program, which uses an access database, and it works just fine on:

Windows XP with .Net Framework 2.0 sp2
Windows XP with .Net Framework 3.0 sp2
Windows XP with .Net Framework 3.5 sp1

But in Windows 7 with .Net Framework 3.5.1 I'm getting an error in the ExecuteNonQuery() line when updating a record in the database.

The code I use is:

Dim con As OleDbConnection
Dim cmd As OleDbCommand
Dim cGebruiker, cWachtwoord As String

[code]....

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I have a service that is processes an exchange account via telnet every 10 minutes. During one point of execution the application could possibly have a response from the telnet session when there are NO e-mails in the folder, which would look something like this[code]...

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Dim x As Integer
Dim testValue As String
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[code].....

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[Code]...

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Dim icount As Integer
Dim SQLstr As String
Try
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[code]....

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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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I'm developing a mobile website using vb.net but having set my tools right as I read somewhere, I've having an object reference...null error from the sqladapter line. I'm trying to authenticate by checking the db for username and password and granting or denying access asthe case maybe, [code]

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Nov 10, 2010

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Isn't throwing an exception essentially a forced crash of a program in a sense (granted, you get the option of continuing)? Or are exceptions geared specifically for things like data conversion errors and other "things that shouldn't happen", and resume use of MsgBox() and friends for minor user screwups?

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May 23, 2010

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Public Class HarlessSmithIA3

Dim LoanAmt, Int, Result, Term As Double
Dim txtIntRate As New Object
Dim txtLoanAmount As New Object
Dim txtLoanTerm As New Object
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[CODE]...

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[Code]...

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Feb 12, 2010

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