.net - Cmd.executeNonQuery() Update
Apr 15, 2012
I have a program where a user can update their Password by Entering their old password in a textbox, and entering their new password in a separate textbox.
An update query then updates the database with the new password.
CODE:
However, everytime the code gets to cmd.ExecuteNonQuery(), it throws up an error saying that there is a syntax error in the Update query. However, If I use this query in Microsoft Access, it works fine so the Update query itself is written correctly. What could be wrong?
Note: I am using an UPDATE query in another piece of code within the same Sub routine and it works there. Its something about this query.
Note Again: If I change the Update query to UPDATE Users SET EMAIL = '" & tbPassword.Text & "' WHERE userID = " & Row.Item(0)" it works. Something about Password that throws that error.
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Oct 16, 2010
I've just upgraded a project to .net 4.0, I'm getting an odd error using ExecuteNonQuery: Errors: {"Mixed mode assembly is built against version 'v2.0.50727' of the runtime and cannot be loaded in the 4.0 runtime without additional configuration infor
Dim xServer As Server = New Server(SQLServer)
Dim db As New Database(xServer, Database)
db = xServer.Databases(Database)
Dim xUser As New User(db, LoginName)
xUser.UserType = UserType.SqlLogin
[Code]...
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Sep 10, 2010
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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Nov 30, 2009
Dim cmd As New SqlCommand("insert into fiche values('" & Me.TextBox1.Text & "')", connex)[code]...
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Jun 9, 2011
Is there any way that i can be able to get the ExecutenonQuery to Execute faster. Am using it to run mysql queries that have joins from diffrent tables. As I have come to notice, the user has to wait a while before the statement ExecutenonQuery can be completely executed.. is there any way that I can get it to execute faster?
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Oct 8, 2009
I'm trying to execute a SQL command, but I just can't find out why this is not working.This is how I defined the "execute" function in my class named "clsSQL":
[Code]...
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Oct 22, 2009
I have the following query:
SELECT Inventory.Inventory_Id, Inventory.Inventory_description, Inventory.Inventory_stock_count, nz((SELECT Sum(Order.item_qty) AS SumOfitem_qty
FROM [Order]
WHERE Order.From_date<=Date() AND (Order.To_date)>=Date()
AND Order.Item_ID='I' & Inventory.Inventory_Id),0) AS CurrentlyOut, [Inventory_stock_count]-Nz((SELECT Sum(Order.item_qty) AS SumOfitem_qty
[Code]...
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Nov 19, 2011
can i do ( ExecuteNonQuery within the loop of a datareader ) in vb.net please help me with example
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May 25, 2010
I have this generic routine that I wrote that takes a list of sql strings and executes them against the database. Is there any way I can make this work faster? Typically it'll see maybe 200 inserts or deletes or updates at a time. Sometimes there is a mixture of updates, inserts and deletes. Would it be a good idea to separate the queries by type (i.e. group inserts together, then updates and then deletes)?I am running this against an ms access database and using vb.net 2005.
Public Function ExecuteNonQuery(ByVal sql As List(Of String), ByVal dbConnection as String) As Integer
If sql Is Nothing OrElse sql.Count = 0 Then Return 0
[code].....
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Aug 29, 2011
In order to check if specific user is db_owner, i excute the following query:
"select is_rolemember('db_owner', '" & p_userName & "')"
using the SqlCommand ExecuteNonQuery method.How do I get the query result?
Here is my code:
Dim com As SqlCommand = New SqlCommand(sql, m_connection)
com.ExecuteNonQuery()
[code].....
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Mar 11, 2010
i want to delete data from database,but i can't. i think it's because the executeNonQuery is being converted to string..here is my code :
kongkon = New SqlCommand("DELETE FROM [User] where User_ID= ' " + lblssearch.Text + " ' OR [First Name] = ' " + lblssearch.Text + "' ", con)
ra = CStr(kongkon.ExecuteNonQuery) ---> i think this is the problem
[code].....
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Oct 12, 2009
I'm trying to execute a SQL command, but I just can't find out why this is not working. This is how I defined the "execute" function in my class named "clsSQL":
[Code]...
Probably, I just need another pair of eyes, 'cause I can't see what am I doing wrong Could this be related to the database and not to my code?
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Oct 15, 2009
Everything I read says calling an SQL Server stored procedure (SP) via ExecuteNonQuery .ExecuteNonQuery(cmd) should return the number of rows affected. When I run my code it successfully inserts a new record but it returns -1. The SP itself is coded to return (0) if successful else return (-99). It is these values that I want to test after execution. I have tried to add a return value parameter to the DBCommand but this causes an error on that parameter: Quote:
[Code]...
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May 28, 2010
UPDATE: I've modified the code to drop the indexes before the inserting, but it makes not difference.I've been asked to resolve an issue with a .Net/SqlServerCe application. Specifically, after repeated inserts against the db, performance becomes increasingly degraded. In one instance at ~200 rows, in another at ~1000 rows. In the latter case the code being used looks like this:
Dim cm1 As System.Data.SqlServerCe.SqlCeCommand = cn1.CreateCommand
cm1.CommandText = "INSERT INTO Table1 Values(?,?,?,?,?,?,?,?,?,?,?,?,?)"
For j = 0 To ds.Tables(0).Rows.Count - 1 'this is 3110
[code]....
The specifics aren't super important (like what 'tbl' is, etc) but rather whether or not this code should be expected to handle this number of inserts, or if the crawl I'm witnessing is to be expected.
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Mar 17, 2011
when i use TOAD to update a table all works just fine when using this query:
Update CSR.CSR_EAI_SOURCE ces
Set (STATUS_CODE, COMPLETE_DATE, DATA) =
(SELECT 'ERROR', '', REPLACE(REPLACE(c.Data, '...', ' '), ''','''')
[code]....
It stays on the ra = OracleCommand.ExecuteNonQuery() continuously until i get the error The CLR has been unable to transition from COM context 0x3327fa8 to COM context 0x3328118 for 60 seconds. The thread that owns the destination context/apartment is most likely either doing a non pumping wait or processing a very long running operation without pumping Windows messages. This situation generally has a negative performance impact and may even lead to the application becoming non responsive or memory usage accumulating continually over time. To avoid this problem, all single threaded apartment (STA) threads should use pumping wait primitives (such as CoWaitForMultipleHandles) and routinely pump messages during long running operations.What could i do in order to get this working within VB.net since it works just fine in TOAD when running that same query?
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Dec 10, 2010
I add C# group too in this, because this is not VB problem but ExecuteNonQuery gives timeout. how to increase the time-out?Exact errormessage: ERROR [HYT00] [Microsoft][ODBC SQL Server Driver]Timeout expiredwe do have cms system and in that CMS I have created a IFRAME which calls this ASPX +VB code, which is in different physicall folder and it has managed Pipeline Classic. When I run this in Old application it works fine. But I copied the pages to the news server and created new application pool/website Call OldASPPAGES I get ODBC timeout on 'ExecuteNonQuery()' function below. Sometimes I works but 9 of the 10 cases I gettimeout. I checked the records and there are 247 records. But below you see there are 2 sql statements composed per Each loop. (update and insert)... 2 x 247 records = approx. 500 records.
But since the sql statement is concantenated so 1 call of ExecuteNonQuery, executue does do 500 SQL Statements.... I know this is GARBAGE, unacceptable.... But I inherited so for the moment I can't rewrite that.To the point:Below are the original statemenst: I have just added : conn.ConnectionTimeout = 240As you can see I've added 240 seconds, but I still get timeouts after approx. 30 secs... so this is not the right place.... question:- Why does this statement work in old ASP environment (without problem) and not in this environement in an IFRAME.
sql = sql & ", a30b_errorcode=" & data_30bis.errorCode
sql = sql & ", a30b_inputcompanyidvalid=" & Abs(CInt(data_30bis.inputCompanyIdValid))
sql = sql & ", a30b_inputnossvalid=" & Abs(CInt(data_30bis.inputNossValid))
[code].....
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Jun 2, 2011
I am just inserting a record in sqlserver database using stored procedure. In this code Binddata() is the method where i have binbed the gridview with records. here is the code:
[Code]...
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Apr 23, 2012
I'm trying to update a record in MS Access database with the code below. But it says 'Syntax error in UPDATE statement and highlights cmd.ExecuteNonQuery()'.
[Code]...
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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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Jul 26, 2010
I have a database which contains 60K null or blank records. These records contain several fields, all blank or null. I am using the following code, which I know works if there is text in the field, but if it is null or blank, I get negative results.
Dim
rv As
Integer
[code]....
how to check for null in an executenon query command?
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Apr 16, 2009
I'm new to ASP.Net and I'm having an error while trying to add record to my database. Any help? After executing the code, I'm having the message "Error in INSERT INTO statement" and the execution stops at cmd.executenonquery().[code]
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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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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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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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Jan 2, 2007
I'm using parameters on a SQL stored procedure to insert a record with data entered on a website form (and on the form I'm using VB.net). As of right now, the form works perfectly; the record is inserted. However, after the user hits the submit button, everything executes and then the page will basically refresh with emtpy values in all the fields. So I want to give the user some type of SUCCESS message, assuring the user the information was successfully entered into the database. So my question is: How can I verify that the record insertion was successful? I want to do this with the ExecuteNonQuery statement, because that's what I'm using.
Code is below:
If Page.IsValid then
Dim MyConn as SQLConnection= New SQLConnection("Blah")
Dim MySQL As SQLCommand
MySQL= New SqlCommand("proc_newWebEntry", MyConn)
MySQL.CommandType = CommandType.StoredProcedure
[Code] .....
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Dec 10, 2009
i am using OleDbCommand.ExecuteNonQuery() to insert data into the database: [code]And there is a conversion exception that only shows up in the last line: error converting datatype varchar to smallint..I'd like to know if it's the normal behavior, and how do i know where the conversion problem occurs.[code]i've found this line through commenting every line and uncommenting some, this one gives me the above said exception. bjNFe.idMunFato Gerador is a string and gives me "error converting datatype varchar to smallint" too
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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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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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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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Aug 9, 2008
im using VS2005. and the built-in sql express.when i run my code in debug mode, i can see that the required number of rows are being affected correctly.but when i actually go and see in the table data, the data has not been inserted/updated.i am using sqlcommand. executeNonQuery() to insert/update data.also, i must add that both executeScalar and executeReader are working perfectly.what could be the possible reason for executeNonQuery although showing the number of rows affected but does not actually do it when seen in the table data?int x = cmd.ExecuteScalar(); // X SHOWS 2 OR 3 depending on the number of rows affected.
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