Use Bind Variables In SQL Statements From Program To Oracle?

Nov 7, 2011

I am trying to use Bind Variables in my SQL statements which I pass to an Oracle database, but I get the Oracle error ORA-01008 Not all variables bound.[code]...

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Execute 3 Commands (SQL Statements) To 3 Different Oracle Tables At One Shot?

Apr 24, 2012

I'm implementing an application using vb.net 2005 with oracle 10g and I came across a functionality that should Select/Insert/Update/Delete data from three different tables in oracle.So I`m wondering if there is a way to prepare all the 3 commands (SQL Statements) separately and then execute them in one shot to the oracle, so in this way I can guarantee that all of them are successfully executed or all are failed to execute, and also I could gain more performance which is critical in my case.Thus I`m looking for a syntax in vb.net that helps me execute more than one OracleCommand in one shot to the oracle.

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Program That Will Generate A Pattern Using Do While / If Else Statements / Do Until Statements

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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WPF Bind A ListView To Oracle Data Source?

Aug 3, 2010

Here's a part of XAML of the application I'm working on:

<ListView Name="lsvCustomerDetails" ItemsSource="{Binding myDataTable}">
<ListView.View>
<GridView>

[Code].....

Is this code correct to fill this table? If not, why? Honestly, I've found several perspectives on how to do this sort of thing, some of which are linked below:

From switchonthecode
From csharpcorner
From Allen Mack's blog

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Assignment Statements To Variables Within An Array?

Jul 26, 2011

I have a set of nine double variables declared earlier in a program (i.e., phq91 through phq99) that I have placed within an array. The variables need to hold numeric data that correspond to item responses within combo boxes.

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Bind A Few Values In Xaml To Variables Declared In The Code Behind?

Sep 30, 2009

I am trying to bind a few values in xaml to variables declared in the code behind.

e.g.
vb.net
dim test as integer = 2

[code]....

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Using Custom Sql Statements In Vb Program?

Jan 2, 2012

I am creating a windows program with VB and an Access database. I have a list view that displays on column in the database and I have that working due to the table adapters in VB. What I am trying to do is when the user clicks on an item in the list view, the program will query the database and put that info into text boxes. I am having the hardest time and can't seem to figure out how to use custom sql statements manually in
the program.

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If Statements - Program Look At 2 Different Values Then Return A Value

Feb 18, 2012

What I need to do is to have my program look at 2 different values then return a value.

Here's an example:

If my tube material = SA-214 and the tube gauge = 20 then my tube wall thickness = .032. The thing is I have 5 different types of tube material and 12 different tube gauges so based on which tube material is selected and which tube gauge is selected the tube wall thickness will vary. So if I select a TM of SA214 and a TG of 14 then my tube wall will be .076.

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Write A Program That Will Generate A Pattern Using Do While, If Else Statements?

Apr 26, 2011

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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Close Oracle Connection In Program?

Aug 13, 2011

In my program I got multiple spots where I open a Connection to an Oracle database, read some lines via a stored procedure which returns me a cursor, put them in an IDataReader, close the connection and go on.

Now everything works fine till the point of closing the connection. I've watched the connections opened to the database via TOAD for Oracle and I figured out, that the database seems to keep an connection opened after I said m_Connection.Close and m_Connection.Dispose.

I use Oracle.DataAccess and get an error after a short time, that there are to many connections. I debuged my session and made sure, that vb performs the close() command and it does it, but the database not.

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Connect To Oracle Database In Program?

May 12, 2011

I have some deprecated code in visual basic when connecting to an oracle database. I am using a OracleDataAdapter but it says that this has been deprecated. Does anyone know what the new supported code is to connect to a database?

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Use An Oracle Data Source In Program?

Apr 12, 2011

So I have an application that queries a database for something like a social security number. Originally, the connection was established programmatically using ODBC. Now, I want to use the data source option built into Visual Studio.

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Add A Reference So That Oracle Database Can Connect To Program

Apr 25, 2011

Well for some reason when i try to add a reference so that the oracle database can connect to the VB.NET 2010 program.In other words it shouldn't highlight certain code as if the database is not connected.Here is a clear summery as best as i can say what the problem is.

1. Connection from Visual Studio 2010 to Oracle plus server
2. Adding References will not be allowed for some reason.
3. The code (See example below on what it might be) is still highlighted even when i added the references several times.

I'll show just a small snip of the code coz it's more or less the same on most of the forms if i want to either update, delete, add or amend to the database. I'll show a few screenshots so to be clearer.I've tried by even looking over the notes and followed step by step and nothing works.Since i am not registered in this module this time i can't seek help of the lecturer so don't bother telling me to go and ask my teacher I've pestered the supervisor that i'd have to present this project to and she hasn't replied to my email at all so i have no clue what else to do in the matter.

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Bulk Insert From Datatable In To Oracle Using Oracle.DataAccess

Mar 4, 2010

I am reading a csv file in to a datatable in vb.net and making a few checks and appending an extra column. I then want to perform a bulk insert using microsofts Oracle.DataAccess (no choice in this) to an Oracle database. what would be the best way to perform this as there is no bulkImport like in SQLserver.

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Visual Basic With Oracle Provider Oledb For Oracle?

Dec 29, 2009

can you tell me,how can i add a provider for oracle(Microsoft Provider oledb for oracle).Actually i had Microsoft ODBC for oracle but i want to add a provider above mention.

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Connect Crystal Reports To Oracle Database Using Program Code?

Apr 24, 2012

I'm using crystal reports 9, visual studio 2008, and oracle 9i in this project I'm doing. My crystal reports pull data from an oracle database, and are displayed on a CrystalReportViewer on a windows form. How would I make this connection using vb.net code?[code]...

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Bind HashTable Keys To A ListBox In Program?

Jan 12, 2011

I'm helping a friend port some code that I have written in Java to Visual Basic.NET. VB.NET is not my language of choose, so I am entirely new to it's quirks. How can I display keys from a HashTable in a ListBox?

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Bind Image Field To PictureBox In Program?

Oct 28, 2009

I have a table with image field that I need to bind to System.Windows.Forms.PictureBox, and I need to Load new images o Overwrite existing images or delete the image int the field with ADO.NET dataset object.

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Retrieve BLOB Data From Oracle Client Using Oledb Driver In Program?

Apr 18, 2012

I`m using oleDbConnection in order to Select a BLOB data from Oracle column, and I have to stick with this type of connection since all my application is using it.

After I used the following code, I got the error: unspecified [code]....

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Bind StudentCombobox To The StudentbindingSource Of The Main Form And To Bind StudentDataGridView?

May 7, 2010

I have a form called studentForm which has a studentCombobox, studentTextbox and a studentDatagridView

In the constructor of the studentForm I need to bind studentCombobox to the StudentbindingSource of the main form and to bind studentDataGridView to appropriate binding source in the mainForm.So that this datagrid view displays all the bookings for the studentID currently selected in studentComboBox

studentComboBox.DataSource = MainForm.StudentBindingSource
studentComboBox.DisplayMember = "StudentID"
studentDataGridView.DataSource = MainForm.StudentDataSet
studentDataGridView.DataMember = "Names "

This is the code I wrote in the constructor

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Bind SQL Parameters Query To Bind To A Table?

Feb 28, 2011

I am trying to bind my SQL param's qurey to bind to a table. My problem is i get this error "Fill: SelectCommand.Connection property has not been initialized."

Protected Sub Button1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button1.Click
If RadioButton3.Checked = True Then
Dim connectionGrid As SqlConnection = New SqlConnection("Data Source=BST;Initial Catalog=dsfs;uid=dfsdf; pwd='dsfsf'")
Dim commandgrid As SqlCommand = New SqlCommand()

[code]....

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Set Variables To Nothing At End Of Program?

Dec 5, 2011

I had to write a program for my class today(I don't like VB.NET, I like Java though) that created an Exception. Is it good practice to set variables to Nothing at the end of the program? In Java, there is the garbage collector so it will automatically delete variables if they are not used again. I don't know if VB.NET has this so should I keep what I have at the end of my code? [code]

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If Statements Inside If Statements?

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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Loop Over Multiple Variables In A For Each In Program?

Mar 29, 2011

I would like to loop over two string arrays but does not work.[code]...

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The Program Tells That The Variables Are Not Declared

Apr 23, 2009

I have the following code and i do no know why the program tells me that the variables are not declared.

[Code]...

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VB 2k5, 2k8 - Can't Get My Variables In The Program - Into Thier Arrays

May 5, 2009

I can't get my variables in the program below into thier arrays.

Dim lblnumbers(6) As Label, txtweight(6) As TextBox
Dim txtnumbers(6) As TextBox, sngnumbers(6) As Single
Dim grade() As String, g As Integer = 1, weight() As String

[CODE]...

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Array Of Variables - Put Together A Quick Program For Database

Nov 17, 2009

I'm trying to put together a quick program for our database, I haven't touched VB since vb6, and we have 2008 .NET now. my question.

Ideally I'd like to make an array which can hold multiple values...such as

Job[job#].joblocation
Job[job#].jobsupervisor

So there would be a Job array, and then different values contained within that. I can't seem to make an object or whatever which allows me to hold different variables inside it.

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Multidimensional Array And The Variables To Get The Program To Work ?

May 5, 2011

I get what I'm supposed to do, and this is my 9th project in this class so I'm not new to the coding and how it works, but for some reason I'm having a hard time wrapping my mind around the multidimensional array and the variables to get the program to work. Here is the first part of the instructions I was given for the project:

Write a program that will determine the cost of a Yacht rental based upon yacht type, the size of the yacht and the number of hours the yacht is rented. There are three categories of yachts: Ranger, Catalina, and Excalibur; and three yachts sizes: 20 feet, 30 feet, and 40 feet. The rental cost is the yacht price multiplied by the number of hours rented. Create an array to hold the rental prices.

RangerCatalinaExcalibur
20 feet 95.00105.00125.00
30 feet110.00130.00150.00(prices per hour,
40 feet120.00145.00180.00 multi-dimensional array)

Use a data structure that contains the following fields: yacht type, yacht size, price per hour and cost of the rental. Limit the number of transactions to 20. Each time the Calculate Price button is pressed, look up the rental price from the price array and display it on the form along with the rental cost. Add the appropriate information to the data structure to create a transaction history.

Here's my code, the top with the variables:

vb.net

Public Class YachtRentalMainForm

'Variables

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

And here's my calculate button code where I'm having the most trouble:

vb.net

Private Sub CalculateButton_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles CalculateButton.Click

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

I'm not getting errors anymore thankfully, but when I run the program... I choose my yacht type and size and input hours, it doesn't matter how many hours I put in - the price doesn't change. I know I'm missing something, maybe I've just been staring at it too long and need a fresh set of eyes to give it a look over and tell me what I'm missing? It also isn't calculating properly. 40 foot excalibur is supposed to charge $180 per hour and instead it's charging $125 flat rate.

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Pass Variables From Php Script To Program Application?

Mar 14, 2012

I am developing an VB.NET application that reads data from the serial port and tcp socket, then I'm processing this data and store it in Database server. This application will be started all the time as long as the computer is started. On the server there is installed an apache server with some php scripts representing the "visual interface". From there the users can see the readed data from the VB app. The need is when an event appear in the apache server (such as button pressed), some data to be passed to the running VB app, and eventually trigger an event on it. I've considered some variants like start an timer that reads continuously some tables from the database that the php script writes onto, or read an xml ot text file, but I think that this may slower the communication and it is a source of exceptions or errors.

For example: An user opens a webpage, just to say test.php. On the page there is a button. The user pushes the button. The result of pushing the button has to trigger an event on the VB app and cause sending data trough the serial port or tcp socket. OR - The VB app has a timer that scans for pressing the button on the test.php.

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Store Variables To Be Stored In Child Program?

Jul 9, 2009

I have several threads all relating to this same subject but I have yet got a answer which I could work with. I think most of that is because of my explaining..So..[code]...

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