Getting Oracle Table Results Into Array Using Odp.net?
Oct 5, 2009
So hopefully this is a quick fix but for the life of me I can't figure out how to get my results from a OracleDataReader record set.Just trying to get all the users for a specific TNS into an array. I was able to do this easily before with ADODB, but thought I would try using ODP.net.Here is what I have so far and it definitely gets all the USERs for a given TNS. its when I get to the READ() part where the syntax is ??
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May 14, 2009
I want to (SQL) select from a table in an Oracle database, and show the results of the query in the VB application, in a Excel like manner (rows, columns, selectable, etc.). Or in a SQL developer manner. How can I do that? Browsed through a lot of tutorials and howtos on the internet, did not get anywhere. I think (and correct me if I am wrong) that it's gotta be something with DataGridView. But I don't know how to create and populate a datatable with the result of as Select statement, how to create a dataset.
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Jul 10, 2009
Why would a VB/ASPX page not return results for a query which runs fine with other Oracle clients? (Same username) The following code should first output the query and then execute it outputting a single exclamation point per record. However, it outputs the query (as it should), but does not return any rows (nor error). If I copy the query to SQL Plus (or other editor) as the same user, the query returns results.
Why might my code not output any results?
Dim MyQuery As String = "...some query..."
Dim Factory As DbProviderFactory = DbProviderFactories.GetFactory("System.Data.OracleClient")
Dim myConn As DbConnection = Factory.CreateConnection
Dim myCommand As DbCommand = Factory.CreateCommand
Dim MyReader As DbDataReader
[Code]...
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Jul 27, 2009
I want to create Table in Oracle database from my asp.net application by using ado.net
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Jun 9, 2011
Relatively new to VB.NET coding. Am creating a pretty simple console application that needs to insert over 50,000 records into an Oracle table (OleDB connection). I tried 3 different methods so far: Individual INSERT, insert using a dataset, & using INSERT ALL (commit every 25 records due to # of columns). It seemed like most articles/posts I read recommended the dataset approach, but the INSERT ALL code was definitely the fastest by far.
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Mar 1, 2012
I need to code the following:
1.Connect to an Oracle database.
2.Execute a query.
3.Insert the query result into an Access database table.
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Apr 21, 2009
Ive completed this code, and it enters names into the combobox, but not any of the tables that i have created. I have checked that they have been created and they have. An ideas?
Dim DatabaseConn As OracleConnection
Dim DatabaseConnString As New OracleConnectionStringBuilder
With DatabaseConnString
.DataSource = "XE"
.UserID = "SYSTEM"
[Code]...
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Sep 7, 2010
I have a VB.Net application that populates an Oracle 11g global temporary table. I can see data in the temporary table by loading it into a grid and everything looks correct.However, when I call an Oracle stored procedure from VB.Net that would manipulate the data in this temporary table, the stored procedure reports that my temporary table is empty.I understood that data in an Oracle global temporary table should be visible to all sessions.
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May 17, 2012
I have a table in Oracle with a column userid and i have a userid column in Active Directory. based on this i want to query the Network ID and update in one of the Group in the Active Directory.
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Apr 17, 2012
have a table in Oracle with a column userid and i have a userid column in Active Directory.based on this i want to query the Network ID and update in one of the Group in the Active Directory.
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Dec 18, 2008
how can I check if an oracle tabel is lock in VB .NET?
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Jun 11, 2009
I am trying to export an excel file directory into an Oracle table as opposed to looping through the range and executing a lot of insert statements. I would think that there are better ways to accomplish this in .NET but I can't seem to find any other answer besides convert excel to csv & load it using Sql Loader or External Table. Does anyone know a cleaner & more efficient way that looping through the ranges creating & executing insert statements?
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Jan 25, 2009
Reading binary file from hard drive in VB and writing to database.
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Apr 29, 2009
If I have this to read from an access database, how could I translate it to read from an oracle database with the same table/field information? I know nothing about oracle but I assume I cannot use the oledbdataadapter that I am used to when connecting with an oracle DB.
[Code]...
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Feb 10, 2011
I am trying to update one table with results from another table as such:
Table A (field, type) : Table B
ID (key) Integer : ID (key) Integer
ParentID Integer : IssueID Integer
Number String : ParentID Integer
: Number String
I need to construct and UPDATE statement that does:
Sets B.IssueID = A.ID When B.ParentID = A.ParentID AND B.Number = A.Number AND B.IssueID = 0
Here is what I have so far but it is producing an SQL syntax error (missing operator)
sqlStr = "UPDATE B SET IssueID = A.id FROM B JOIN A ON (B.ParentID = A.ParentID AND B.Number = A.Number) WHERE B.IssueID = 0
I have also tried
sqlStr = "UPDATE B SET IssueID = A.id FROM B, A WHERE (B.ParentID = A.ParentID AND B.Number = A.Number AND B.IssueID = 0)
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Sep 22, 2009
I'm trying to populate it with the results from a table in a dataset, something like Dim MyStringArray() as string = {Me.MyDataset.MyUsers.Rows.Tostring}. So I would end up with, StringArray() = {"Bob", "Jane", "Sally"}. I know I'm missing something very simple but I'm just not getting it.
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Jun 24, 2011
I'm working on a form that has a few data grid views that are populated from LINQ queries, no problem there it works as it should however that sorting does not work. After doing some reading its because LINQ results do not support sorting.As I have the LINQ results already is there a way of copying the results into a dataset or datatable then binding the data grid view to that so sorting will work?
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Sep 2, 2010
I have an access database that is populating a txtbox field on my form..How do I get those results to be currency?do I add code to the form? or do I add code to the function of the tbl? [code]I dont know which side to code or what to code to get the results to be formated as curency
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Apr 13, 2012
I am trying to create a CLR SQL Stored procedure that uses a query and adds the results to a list in VB.NET. Through debugging I determined that my add statement for the reader into the List is somehow converting my data types and throwing an error when I attempt to execute the compiled Stored Procedure.The columns I am querying are Integers
Code:
Imports System
Imports System.Data
[code].....
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Mar 12, 2009
I have a stored procedure, and I want to save the results of the stored procedure into a table. Is there a way I can do this with a simple query without creating the table beforehand.
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Mar 10, 2009
When subtracting two doubles the result appears to be correct but when I save said results in a SQL Server table they are incorrect. I know their are problems with decimal values in the binary world but isn't there a work around for this?For example 421.2 - 418.9 = 2.3, but the result stored in the SQL Server table is 2.29!In the VB code I used Math.Round to round to two digits and the values appear correct during debugging but, as I've said, in the end they are off by .01. [code] decimal(10,2)BTW, I've tried numerous methods of getting the correct value but have not met with any success. I've used Math.Round on Val1 and Val2 separately, after the subtraction, and on the ResultVal. I've also converted the ResultVal to a string using Format(ResultVal, "#####.00") and then back to a number but still the value that ends up in the SQL Server table is wrong.
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Apr 9, 2010
I have a table in an access database than manages user subscriptions. A user can have many subscriptions which is where im having trouble in terms of code.What i aim to do is store all the courses in an array of strings but i don't know how to do it.[code]The above code would be the command that i'd use to select the courses that the user has but i need to know how i would store the results in a array.
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Jul 12, 2011
I have a very specifically designed table in a .aspx page. I have an <asp:SqlDataSource> tag that works fine with a DetailsView. I have tried DetailsView, ListView, Gridview etc. and cannot obtain the desired design. Is it possible to execute a Stored Procedure and have the individual results displayed in the individual cells of a web page table? This seems like it should be simple but it apparently is not.
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May 4, 2012
I have a table of student information. Each student has a contact date and a source of information.
I want to produce the results like this
CODE:
At the moment I am using this sql
CODE:
But my results are like this
CODE:
It is just putting the total not the seperate amounts.
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Jun 30, 2010
which is the way to create all "matches" to array without this style:
ListBox1.Items.Add(Regex.Match(GetWebData).Value)
ListBox1.Items.Add(Regex.Match(GetWebData).NextMatch)
ListBox1.Items.Add(Regex.Match(GetWebData).NextMatch.NextMatch)
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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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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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Jan 9, 2011
Suppose I have a table with columns userdef1, userdef2 userdef6 and I have another table that defines these fields. i.e UserDef1 = "MyName" etc
What would be the best approach for retrieving these values and updating the column headers?
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Jun 21, 2010
How could I add array values and populate the results in a specified text box?Then repeat for each line after. Then get a final total.
For example:
1 2 3 4 5 (15)-text box
1 2 3 4 5 (15)-text box
2 4 4 3 5 (18)-text box
-----------------------
(48)-text box
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Jul 14, 2009
The assignment called for a VB.Net (not web based) program that would accept user input for the loan amount, interest rate, and term of loan, and display the monthly payment of the loan then list the loan balance and interest paid over the term of the loan. the list will be longer than the screen so use loops to display a partial list, hesitate, and then display more of the list. So, I did exactly that and the program works fine. However, after submitting this program for grading, The instructor for the class tells me, "One thing you should work on is not using a timer to pause.
You should not use a scroll bar either." He says I should work on loading the results into an array or use a loop with a counter that can be used to display a given number of results with a more results button for displaying more (but without a scroll bar?). Like I said, this program works fine and I am not asking anyone for any specific code (some sort of example would be great but not necessary) What I am asking for is an explanation of how I would go about loading results into an array to be used for displaying just partial results at a time in some way other than I used here: [Code]
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