Ado.net - Prepared Statements For ODBC ?
Jan 8, 2010
I just want to know how to create a prepared statement in VB. I know in java one would use ? and these would get replaced. I am aware that in VB you use @ParameterName. Basically my code gets down to where i use the prepare method and the error i get is that my syntax for my insert is incorrect. To me it seems that the parameter is not getting substituted in the insert statement
Eg.
Dim cmd As String = "insert into sites(id) values(@id)"
Dim odcmd As New OdbcCommand
odcmd.CommandText = cmd[code].......
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Sep 8, 2011
I cant really find any good sources for connecting to a database via connection string and executing prepared statements. Could someone show me an example or point me to a resource that might be useful?
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Oct 24, 2011
I have a small vb.net application that fires a crystal report through crystal viewer.
The report uses an ODBC connection provided by 32-bit software accounts package, which is installed in the ODBC 32-bit This all works fine on 32-bit XP and 32-bit Win7 with no problems, When run on a win7 64-bit machine the application launches ok, but when it comes to running the report, it prompts for a database logon box for the odbc connection.
When the report is run seperate on its own, on the exact same pc through crystal reports desginer it runs fine, Its almost like the application is not picking the 32-bit ODBC set up is it the case that the connection needs to be coded rather than using the report connection,
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Nov 2, 2009
I'm developing a tiny program to update a single field in an MSSQL database table as needed.The user enters in an ID number, clicks Find Patient, and the TableAdapter output gets filtered into a DataGridView.Out of the entire table, I'm only displaying 3 columns (two locked for editing), and hiding the key column. When I go through the TableAdapter Configuration Wizard and have it build the Update queries, it complains: "Updating queries cannot be automatically generated because your SELECT query does not include some primary key columns. Do you wish to add primary key columns to your query?"
[Code]...
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May 29, 2011
I need to import data from Excel into a MySQL 5 database. The format of the column in excel is set to "Time". the field value looks something like this:
17:20:00 If I do this in my vb.net
strTimeIn1 = Trim(jobdt.Rows(j).Item(7).ToString)
I get this in my Immediate window when debugging:
"12/30/1899 4:10:00 PM"
what's the correct way to convert that string to a time value so I can insert into a datetime field in my database with no issues.
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Oct 11, 2009
Can someone give me a site to a tutorial that will help me write a program that will generate a pattern using do while, if else statements,and do until statements. I have been using google but I can't find anything. I need to generate patterns a certain size 6 by 6 or similar such as something like a checkerboard but where the ^ symbols is there a suppose to be a blank space..
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Nov 23, 2006
i am new to vb .net i just want to ask why is it i don't see the odbc data adapter in the toolbox pane? i just have (under data) pointer, dataset, datagridview, bindingsource, and binding navigator.
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Aug 30, 2009
I have the following MySqlCommand:
Dim cmd As New MySqlCommand
cmd.CommandText = "REPLACE INTO `customer` VALUES( ?customerID, ?firstName, ?lastName)"
With cmd.Parameters
[code].....
I have a class that handles execution of MySqlCommands and I'd like to have it log every query to a file. I can retrieve the query/command being executed with:
cmd.CommandText
but that just returns the original CommandText with the parameters (?customerID, ?firstName, etc.) and not the actual substituted values added by the AddWithValue functions. How can I find out the actual "final" query that was executed?
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Mar 14, 2012
I am trying to figure out how to do this:
if (phrase = hello) then
"say hello"
if (phrase = how are you?) then
[CODE]...
So basically, I want it to work like a timeline. If I say hello, then it will respond and move onto the next if statement. Get it?
Here is the code I have now:
If phrase.Result.Text = "hello" Then
synth.Speak("Hello to you too")
If phrase.Result.Text.Contains("How are you") Then
[CODE]...
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Dec 22, 2009
I am getting the following ODBC exception when I moved my development platform from Windows XP X86 to Windows 7 X64: ERROR [IM014] [Microsoft][ODBC Driver Manager] The specified DSN contains an architecture mismatch between the Driver and Application What I'm sure it means is that the server it is connecting to is 32 bit, and the computer I'm running on is 64 bit and the ODBC driver in use is 64 bit.
The application I am writing is set to run in 32 bit mode because some of the third-party software that we employ is not 64 bit compatible. I tried downloading a 32 bit driver and changing the DSN but it did not fix my issue. I still get the exception. If anyone has any links for 32 bit SQL drivers, or how I could fix this by changing the project around, I'm all ears.
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Jul 9, 2009
GIVE ME STEP BY STEP DETAIL CODE FOR VB.NET 2005 AND MYSQL 5.0 CONNECTIVITY WITH AND WITHOUT ODBC.
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Jun 23, 2011
Is there a way to get a list of ODBC drivers that are installed on a Windows XP machine from .NET?
I basically would like to see (in .NET) what is in:
Control Panel->Administrative
Tools->Data Sources (ODBC)->"Drivers"
Tab.
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Jan 5, 2012
i have 2003 access database. why i cannnot connect to my database using the code below?
red
Public BioCon As New Odbc.OdbcConnection
Public GAdp As Odbc.OdbcDataAdapter
red
Public Function Execute(ByVal Qry As String, ByVal Con As Odbc.OdbcConnection) As Boolean
[Code]...
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Jun 21, 2010
how to connect to access using odbc since i did it already:
Imports System.Data.Odbc
......
Dim ODBC_CON As New OdbcConnection("dsn=DBMS Project")
[Code]....
how could i display it on the msgbox on the event that i clicked the button named "proceed" i provided much information as i could and same with as the code, i just need guide, simplest one for me to understand
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Jun 30, 2011
how to connect to database using ODBC, where in connection string i will provide only DSN name. User id and Password should be entered dynamically. Like if i want to connect to SQL Server, I will provide dsn name, User id and password shud be entered dynamically. Already there is a form in SQL Server for Logging in, want to connect to tat?
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Dec 7, 2009
How do I connect to Mas90's file using their ODBC that they setup - SOTAMAS90? how do I do this in vb.net ?
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Mar 27, 2011
I want to create ODBC DSN for a database (which will be included in my application folder whenever a user setups the application). I want to know how to create ODBC with all the required parameters so that the first thing that is done when the setup is being run is connecting the database to the application. I have tried using default VB.NET setup wizard and Installshield.
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Nov 2, 2009
i have the following code that can create a DSN to SQL server programatically from vb.net
Imports Microsoft.Win32
Imports System.Text
Public Class Form1
Private Declare Function SQLConfigDatasource Lib "ODBCCP32.DLL" (ByVal hwndParent As Integer, ByVal fRequest As Integer, ByVal lpszDriver As String, ByVal lpszAttributes As String) As Integer
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
[Code]...
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Feb 18, 2010
i am using visual studio 2008 for my final year project.i m making billing system.the system using micrososft access as a database.i used odbc as a connction with database.which one is better?odbc or oledb?
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Jul 15, 2009
I have a VB2008 Windows form App connect to SQL server database via ODBC. What I want to accomplish is whenever vb2008 app install it also crteate ODBC automatically,
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Mar 30, 2012
I have been using the internet to figure out how to INSERT into MySQL database. Im almost there I can feel it. Below is the code I put together, but when I click on the button and check the database to see if the data was inserted, it has not.
Imports System.Data.Odbc
Imports System
Public Class Form1
[Code].....
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Mar 14, 2009
how to install a ODBC driver using vb.net windows application ?
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Jan 14, 2011
I'm trying to connect to a database and keep the connection open for any amount of user activity/queries within the database. Currently I have a connection that opens and closes for any query (save, update, etc...) which requires the logon process to the back-end every time the user saves etc... Is there a way to simply connect and leave the connection open so there won't be a lag time when running the query due to the logon process? This is what I'm using:
Private sConStrFormat As String = "Provider=TDOLEDB;Data Source=TDDEV;Persist Security Info=True;User ID={0};Password={1};Default Database=bcpm_ddbo;Session Mode=ANSI;"
[Code].....
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Sep 8, 2009
I am trying to coonect to Oracle 10g database through ASP using ODBC connection. The connection string used is con.Open "DRIVER={Microsoft ODBC for Oracle};SERVER=xxxx;UID=xxxxx;PWD=xxxxx".
This works when I tried creating a macro and also using a vbs script. When run through classic ASP it gives error on the connection.open line.
Microsoft OLE DB Provider for ODBC Drivers error '80004005'. [Microsoft][ODBC driver for Oracle][Oracle]Error while trying to retrieve text for error ORA-12154 /TestSC/a.asp, line 23
The connection is opened when using Ora oledb con.Open "Provider=OraOLEDB.ORACLE;Data Source=xxxx;User Id=xxxx;Password=xxxx". I am using IIS 6.0 and Oracle 10g.
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Jul 22, 2009
My Source code is
Imports System.Data.Odbc
Public
Class Form1
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
[Code] .....
The table1 contains two parameters name and emplyoyee no. I am using Odbc driver. The connection is ok. But I am getting the error
An Odbc Exception occurred : {0}ERROR [07002] [Microsoft][ODBC Microsoft Access Driver] Too few parameters. Expected 1.
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Jul 8, 2011
I am trying to get a whole column from a table in sql DB. I used the code below, but in my OdbcReader, i only have 1 fieldcount.[code]....
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Sep 8, 2011
I need to update a database table from a dataset and only have access to the database through an odbc connection. Is there anyway to make this work or do I need to go a different direction to do this ?
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Sep 15, 2011
Here is my sub for updating a Database using ODBC:
Public Sub UpdateDatabase(ByVal sql As String, ByVal parameters() As OdbcParameter)
Dim connectionString As String = "dsn=" & ODBC & ";uid=" & UID & ";pwd="
Try
[Code]....
But the following exception is shown:
NullReferenceException: Object reference not set to an instance of an object
Which seems to be triggered by this:
adapter.InsertCommand.ExecuteNonQuery()
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Oct 18, 2011
I have to Create a Bowling Scores application that allows the user to enter 5 scores and then displays the high score and the low score and then clicking on the Statistics button there would be a label showing which is higher and lower. We HAVE TO USE FOR AND NEXT STATEMENTS.
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Nov 5, 2011
How can i implement a statement with if for this number to be greater than 0 but less than 10? More Specifically where would the < 10 go?
Quote:
Private Sub btnCalculate_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnCalculate.Click
[code].....
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