C# - SELECT, Manipulate Data Temporary Using SQL SERVER
Aug 9, 2011
The DB has a field "end date" and 1753/1/1 is supposed to be the value representing nothing, as we cannot assign null to datatime in sql server..
In reporting application the select querry used, gets the data including those 1753 date values. good
Problem 1753 date causes hell with report calculations. there are a lot of calculations in the report and changing the code to ignore 1753 will be a headache, so i was thinking Is there a way to tell sql server,
SELECT *
FROM TABLE BUT IN END_DATE
WHERE VALUE='1753/1/1 01:00:00.000' REPLACE WITH PARAMETER1
CRUDE EDIT (donot have access to debugger currently)
i cannot remember but i get an error like "nothing should be mapped on something" when i insert record with null date! THIS HAPPENS ONLY WHEN USING VB.NET in csharp it works fine. do you know why??
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Feb 9, 2012
I am wanting to pull data out a select table and wanting to use it locally as Read Only data I am stuck on how to write the data to the local Temporary table[code]...
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Oct 8, 2009
i recently created a motion detection program. I want to add the option to select (creating a rectangle) a small area that will check only in that selected area for motion detection.How i`m i going to give this ability to the user. I will use the System.Drawing correct?What`s the command that allows the user to draw a rectangle on a picturebox?So if i have the coordinates of the rectangle i can handle pixel to pixel comparison....
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Mar 10, 2010
Do you know of any beginner tutorial on how to manipulate(Add, Edit, Delete, Search, List) sql Server database in vb.net?
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Jan 11, 2010
Please I need Tutorials on how to connect/manipulate sql server with vb.net.
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Mar 11, 2010
VB.NET:i want to select data from sql server 2005 DB table and displaying into text box that depends on combo box selection using VB.NET
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Mar 11, 2010
VB.NET:i want to select data from sql server 2005 DB table and displaying into text box that depends on combo box selection using VB.NET
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Apr 3, 2012
I want to manipulate the first name, last name and email via code, preferably server side. But I see this is not really how this might work, using asp hiddenfields for example.
So I have to get the values for the 3 fields server side, and somehow post this to [URL] - do I need to build the script in code and submit that? Not use this javascript?
<%@ Page Language="vb" AutoEventWireup="false" CodeBehind="PaymentSend.aspx.vb" Inherits="Vault.PaymentSend" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
[CODE]...
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Nov 1, 2010
I have a VB2005 winforms application that will loads city data from my database table. This is to ensure that the user enters the correct city spelling, in order to receive an accurate quote. Currently, there are about 150K cities that are being loaded to the dropdown listbox on page load. It takes about 30-40 seconds for that page to load. My initial thought was to allow the user to select the state first. Then load the city values. But the user has the option of going back and requesting a quote for a different city / state.
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Mar 15, 2008
i am using visual studio 2005 and database sql server 2000. i want to read table of database and readed data insert in temporary table again update that inserted record.
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Oct 2, 2009
How knows how to create a temporary data file in vb.net without using sqlserver.
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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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Jun 26, 2011
I have to make files encrypt in my application. Now, I'm writing the encrypted data to temporary files (fsOutput in the code). I upload this file by FTP to the server. How should I rewrite my code if I want to upload without creating a temporary file and by using stream? My FTP client is able to upload from stream. My FTP client uses PutFile method to upload files ('Upload from stream by StarkSoft ftp.net in my code)
[Code]...
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Sep 16, 2011
I've got a tough one today and need a lot of with it. I hope someone out there has some experience in a manufacturing environment or at least point me to somewhere that will have an answer. So, the company I work for has RS 5000 (also have RS Linx) by Rockwell Automation. I need to record process test values to a file on a server and then use VB to manipulate that data. First off, I am trying to figure out how to get the data off of the PLC Can I export data to a file or do I have to retrieve data from a processor?
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Aug 24, 2009
Is it possible to manipulate data in worksheets?[code]...
what i want to do is round off the time in if the time is greater than 6:00 example please look at the data date 8/2 and 8/3. i would like to modify it and make the 6:01 to 6:15, and 6:16 to 6:30 , every 1-15min late the time would round off to the nearest 15mins.. my question is how can i make loop in the column "time in" and every time the program sees a "late IN" it will round it up to the nearest 15mins.
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Feb 4, 2010
i want to import data about cigarettes from the internet. i don't know terminology so i'm having a hard time starting.
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Mar 4, 2009
I have an excel sheet that contains 25000 phone numbers listed in one cell with no sorting order. I want to create a small windows application that can read the sheet and return the total number of the phone numbers and how many duplicate numbers as well as the number of times of repetitions. How I can resolve this issue? What is the best way to approach it? I'm using VS 2008 and VB.Net.
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Nov 8, 2009
Basically I want to know how to access a particular website from my application. I have used System.Net Namespace to request HTML from a website, It returns a complete HTML code which is used by Browsers to render the content on the screen but what i want is to interact with the website only without the use of a browser. I currently dont know how to do that.
I have a application which displays a Image when a user enters a keyword, lets say user enters a word "Envelope", the application will go to Google Images and search for this keyword. Now google returns images as results, the application now needs to download the first result ( which is a image) and display it on a form ). Everything here is done without a browser but via my application.
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Jan 16, 2010
I'm trying to retrieve data from an Access database - a simple one. (Just a single table with one column) My task is to view these records through a 'ListView'. No need to manipulate or anything. Just to retrieve data with a simple SQL statement and display via a ListView.
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Jan 5, 2009
I need to know How to Clear All Data In "Temporary Internet Files" FolderIs there some code already made for that?
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Jan 22, 2009
I have VS 2005 installed in my sytem fyi.We have two databases, say source database and destination database. The databases is in Oracle. Now we need to pull data from Source database, manipulate it and push it into the destination database on daily basis.We are planning to use VB .Net for this and would like to know if this is feasible. Using windows forms through VB .NET, is it possible to create a exe and schedule the exe on nightly basis to pull the data from source to destination.how to do this as for manipulation of data, there is no intermediate database for us?
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Nov 24, 2010
I have a csv file that needs to be automatically updated on a daily basis. I am writing a vb.net app to accomplish this. However, Im having issues with the entire process.I need to be able to read in a csv file, manipulate the data and then update the existing file. I have dabbled with using the Excel objects but I need some assistance.
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Mar 6, 2012
I have an issue where I need to load a fixed-length file. Process some of the fields, generate a few others, and finally output a new file. The difficult part is that the file is of part numbers and some of the products are superceded by other products (which can also be superceded). What I need to do is follow the superceded trail to get information I need to replace some of the fields in the row I am looking at. So how can I best handle about 200000 lines from a file and the need to move up and down within the given products? I thought about using a collection to hold the data or a dataset, but I just don't think this is the right way.[code]....
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Jan 15, 2010
Just started VB programming this week and have found a wealth of information about what I'm trying to do. Problem is, some of it is more complete than others.Here's what I'm trying to do:In Form1 (my main form), I want to instantiate a class that contains a couple of properties (speed setpoint and position setpoint). When I click a button, I want to pass this data to Form2 and populate two textboxes on Form2 with the properties of this object. I want to manipulate the property values on Form2 and click an OK button which closes the dialog and returns the manipulated data, updating the property values of the object. Here's the algorithm I'm following:1) On Form1, instantiate the class2) On Form1's "Pass Data" button click event handler, instantiate a Form2 object and invoke the ShowDialog method, passing the object as a parameter.
3) On Form2, overload the ShowDialog method to accept the object as a parameter and modify the method so that it returns the manipulated class data.4) On Form2, in the ShowDialog method, populate the textboxes with the class data that was passed in.Here's where I get stuck. If I press the OK button on Form2 (DialogResult.OK), it returns me to Form1, but what hook do I have in Form1 to receive the manipulated class data that the ShowDialog method is returning?Here's an example of what I'm thinking about:
Code:
Public Class Form1
Dim clsController1 As New MotionController
[code].....
I'm sure it's probably a very elementary question, but every explanation I've found seems to be incomplete.
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Jun 21, 2010
I m using .net , I create some temporary tables at run time, how to print these table data thru crystal report
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Apr 2, 2009
I need to use a SELECT statement to select all data under a column name (like all employee names) and then to add the values to a listbox.
I usderstand that the select statement must be:
"SELECT * FROM EmployeeTable WHERE EmployeeNames LIKE *" (at least I think)
but then what? combobox1.fill ("EmployeesTable") ?
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Feb 20, 2012
I want to grab Top 10 most Ordered product by customer... Im counting how many lines that this product have been ordered .
Sample data:
ProdName
A
B
C
[Code]....
Ive done this in other database using LIMIT 10.. but here in SQL server the result of that query is the bottom record's
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Apr 26, 2010
I would like to select a record from my table based on a GUID using the following approach:
dim rows() as MyDataSet.MyTableRow = dataset.MyTable.Select("id = " & Guid.NewGuid.ToString)
but I get the following exception:
System.Data.EvaluateException was unhandled
Message="Cannot perform '=' operation on System.Guid and System.Int32.
What is the best way to select a record based on a GUID using vbasic.net from MS Sql Server?
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Apr 4, 2010
My application needs to be able to be pointed at different SQL Servers and different databases and I would like to provide the end user with a nice method of selecting both the server and database (the app is for use by other IT staff).Ideally, I was thinking of allowing them to browse to the server (with possibly entering credentials or even better, using their Windows credentials as the databases in question should be accessible to the relevant people via their AD account), and then listing the databases on that server allowing them to select one to use.
I would like them to then be able to easily change the server and database whenever necessary.I imagine I would then need to build the connection strings based on what they select but at the moment I have got rather stuck in just trying to create a form with some kind of Server Browser (I've not got as far as a database browser!).Failing some kind of server/database browser options, I would change to some simple text boxes where the user can enter the name of the server and database directly with some kind of connection verification button.
Finally, is it easy to connect to multiple databases on the same SQL Server at the same time? Is it just a case of creating and referencing multiple connection strings?I am using VB 2008 Professional and SQL Server 2005 Standard.
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Jul 16, 2009
I have populated a datatable from a SQL stored procedure and need to do further filtering on the datatable. The datatable holds data that is returned from the SQL DB as varbinary and is stored in the datatable as a byte array. I am attempting to pass TheData!Hash which is also a byte array.
When I need to filter the datatable I have use the following:
Dim sQuery0 As String = "Hash=" & TheData!Hash
Dim ResultRows As DataRow() = dt.Select(sQuery0)
I understand that the TheData!Hash is a byte array and cannot be converted to a string in this way but how on earth do I pass the byte array in the Select filter expression?
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