Sql Server - Store / Query Data In .NET?
Nov 23, 2011
At the moment I am using Access & an OleDb connection to store data. I went down this route originally because I though that this was the best way for applications that I am distributing to my clients.
I would prefer to use something like SQL Server but is this a good idea for software I am distributing? Does the average Joe's PC have SQL Server pre-installed? If not, I suppose I can provide them with a link to download it for free?
Is there any better alternatives to Access / SQL Server?
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Sep 11, 2009
I am new to VB.net. I want to read and input file and store that data to an SQL Server database. Do you have an sample code that do such?
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Jul 16, 2010
Does anyone know how to store data from a RTD server into a array for calculations...?
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Nov 9, 2011
how to work with distributed application in vb.net that automatically stored data into server? How to configure to ensure the consistency of data being stored.
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Jun 14, 2009
I wrote a procedure that builds a DataTable in memory using data stored on our DB2 database. The function builds a Multi-Level Bill of Materials (BoM), meaning that the data cannot simply be queried. The function works great and returns a nicely arranged DataTable object. However, I then need to query the in-memory DataTable against other tables on our server. What would be the best way to approach this problem? Should I make a DataTableAdapter for the Server tables and then build a DataView? I don't have too much experience yet with Data objects. (By the way, I looked into LINQ to DB2 and even installed IBM's addin's, but our server doesn't seem to support it at this time.)
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Oct 1, 2009
I am creating an ASP.Net page with VB.Net codebehind. I am using a class variable to hold data (named ods see below) from a SQL Server query so I do not have to keep going back out to the server. The class variable gets loaded ok and I populate a grid data with this dataset. However when I need to go back in and reference the dataset again, I get an error and I come to find out my dataset no longer holds the data.
Here is my declaration in my code behind:
Partial Public
Class LotTrackingMain
Inherits System.Web.UI.Page
Private con
As SqlConnection =
Nothing
Private ods
As
New DataSet
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Feb 16, 2012
INSERT INTO [ET_SolutionText]
([SolnTextKey]
,[SolnTextValue]
,[SolnTextTitle])
[code]....
In Above Query, SolnTextValue is XML field. How i can format XML data in Values using insert query in SQL server 2008?
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Feb 23, 2012
I am trying to store an SQL View in cache, though I keep getting errors no matter what I try...
When I run the code below, it errors on the take command.
Unable to cast object of type '<TakeIterator>d__3a`1[View_UserSearch]' to type 'System.Linq.IOrderedEnumerable`1[View_UserSearch]'.
Here is the code:
[Code]...
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May 21, 2010
I'm looking to store the result of SQL count function in a variable, i've tried numerous ways but haven't managed to get it to work?
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Aug 22, 2010
How to handle the return value of the sql query and store in the database?
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Jan 4, 2011
Can we execute any string like "Button1.Text = Value"
Question arises from sql server where we can store a dynamic/static query in a string (varchar) and execute it and it will put the value to the button1.
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Jul 3, 2010
I am using VB .Net for this, so I don't have access to var or this would be a simple matter.Right now my query is as follows
[code]...
So I used this query in LinqPad to help me determine what the object would look like. I got back a IOrderQueryable(Of RSError) which then contained a IGrouping(Of String, RSError) for each grouped collection of objects returned by the query.However I ended up with the current object type of errors as IOrderedQueryable(Of IGrouping(Of String, RSError)) because of the cast error I am getting in VS.
[code]...
I'm not sure how to get rid of the VB$AnonymousType_1 Part of the returned object.Am I even on the right track here or am I missing something completely?
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Nov 24, 2009
I want to make a search form the user completes the 3 textboxes and 2 datetimepickers. (so five components).
Also I have a button called search and a datagridview.
When the user presses the search button it searches into those 2 tables (depending on what user typed in the 3 textboxes and selected on 2 datetimepickers).
Example of search:
The user searches like this:
When it presses the search button the results will be stored in datagridview(first textbox is the field DB-20-RTS from table PatrimoniuMasini and the rest are fields from the specified columns (name of labels) from the second table FoaieParcursMasina -is the second row from this second table).
Here's the code in my search button (don't know how I can store the 5 things(2 datetimepickers and 3 textboxes in the DataGridView) . My problem is in understanding the property item of DataGridView(DataGridView1):
DataGridView1.Item(row_index,column_index) -general syntax
Here's the full code of button search:
Dim conexiune As SqlConnection 'conexiune cu sql server
Dim comandasql As SqlCommand 'cerere -interogare sql
Dim msg As String ' msg- variabila dk suntem conectati sau nu
[Code]....
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Mar 22, 2012
I am coding a program that will allow the user to input 5 payrolls for Store 1, Store 2, and Store 3. The total of the 5 payrolls are then added together and shown in the respective Store's labels. A total label is also there to add up all the totals into one number. The numbers in the label must be in currency form. My problem is the numbers don't add correctly when I hit calculate. The first two numbers add together, but then after that the number just seems to subtract a random amount.
So far I have this --
Public Class Form1
Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
Me.Close()
End Sub
[CODE[...
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Jun 5, 2011
My question is How can i create insert,update,delete query by using class file and store procedure. This query is use for 3 tier.
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Oct 19, 2011
We want to store session in SQL Server. We have sessionState mode="SQLServer". I have been given a sample connectionstring as listed below. In this it is having both stateConnectionString and sqlConnectionString. Why do we need stateConnectionString when mode="SQLServer"?
<sessionState mode="SQLServer"
cookieless="false" timeout="20"
stateConnectionString="tcpip=XXX.XX.XXX.XXX:42424"
sqlConnectionString="data source=XXX-FFFF-sql2k8,2025;
[code]....
Note 1: SQLServer mode stores session state in a SQL Server database. Using this mode ensures that session state is preserved if the Web application is restarted and also makes session state available to multiple Web servers in a Web farm. To use SQLServer mode, you must first be sure the ASP.NET session state database is installed on SQL Server. You can install the ASP.NET session state database using the Aspnet_regsql.exe tool
Note 2: StateServer mode stores session state in a process, referred to as the ASP.NET state service, that is separate from the ASP.NET worker process or IIS application pool. To use StateServer mode, you must first be sure the ASP.NET state service is running on the server used for the session store. To use StateServer mode in a Web farm, you must have the same encryption keys specified in the machineKey element of your Web configuration for all applications that are part of the Web farm.
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Apr 23, 2012
Here is my code:
Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
Dim myfilelocation As String = "C:myPicturesmyimage.png"[code]...
Since the application is storing in database, how can I retrieve that code into the vb.net because I can't see it in database? You can see the image is getting its path location from my machine as local so I want to either put it somewhere where other computers in workgroup can able to get the images or how to tell other computers to store the image in my machine and to retrieve it from here.
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Mar 1, 2010
I am developing a database driven application and need to access the database often. What is the standard/best practice for storing the database connection. Do i need to create a public static variable? The main thing i was to avoid is passing the sqlconnection as a parameter in almost all of my function calls.
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Jul 27, 2010
Is it possible to code to copy store procedures from one SQL server to another SQL server in vb.net application without using SQL server replication?
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Apr 30, 2010
Your code works perfectly well. how to store and retrieve image from a database(sql) using vb.net
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Feb 26, 2009
i looking for a easy way to save a image to a sql server i have found a lot of examples but many is for asp.net and others have many functions for do a simple process that with vb6 i do with a few lines:
[Code]...
but this simple dont update nothing i have tryed to update a text value but the result is the same nothing is updated! but he actully dont return any error and i can see that the record is opened but simple can't update
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Aug 8, 2011
So I know it's possible to store Users and Roles on SQL server but I was wondering if it was also possible to store the access rules on SQL Server. I've searched but I can't find anything.
Our auditor requires us to run reports that tell us which users have access to which websites. Currently I am parsing each web.config file to see which users/roles have access, storing that in SQL server and running a report off of that but I am hoping there is a better way.
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Jan 11, 2010
I have a jpeg file in my C drive from my vb.net application I want to binary read it and store it in SQL server.
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Mar 31, 2011
i am working on a web site. i need to validate a text box value with a Column ( in table A, using sql server) .
well, the situation is. When user enter in textbox1 = 45 , before user go to textbox2 , textbox1 check in database if 45 is there. If not give error .
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Jun 12, 2011
How to store and retrieve images from VB.NET and Sql Server 2008
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Sep 9, 2009
SQL Server supports the ability for clients to store objects within tables.Create Field that data type Image and Initialize byte array with a null value initially.Use FileInfo object to get file size.Open FileStream to read file.Use
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Apr 22, 2012
store and retrieve image in a SQL Server database with vb.net.:Well, the application in vb.net seems to have a database which can accessed by the LAN computers so the SQL Server 2005 database allows remote computers to share its database once the other computer application requests database from the server.So, every other computer has to store and retrieve images in SQL Server 2005. For example, comp1 has to store images taken into the server and retrieve it like tableadapter.
I am using bindings and tableadapters to store the details in database and retrieving information from db. Please if you have code or anything which is working for me, please post it here... how to store image and retrieve it SQL Server through vb.net provided there's LAN computers who are also sharing the SQL Server database.
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Feb 14, 2012
I'm trying to store and retrieve PDF files using SQL server 2008 and Visual Basic 2010.The Issue:i need to lookup a PDF file and store it to the DB using filestream and display it in Adobe Acrobat COM Control on VB Form?
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Jul 21, 2011
I am developing an application which will keep track of various information about medical practitioners that are affiliated with my place of work. One thing that we are tracking, is their availability by time of day (morning, afternoon, and evening) for each day of the week (monday - sunday). Additionally we will store an optional comment about the practitioners availability, something like "Does not work during full moon."
The input/display form for this information will be table with days of the week as column headers, and times of the day as row headers. Check boxes will indicate whether the practitioner is available during the specified time.
I am having a hard time figuring out how to store this information in the database. The most obvious solution to create a table with 24 columns (21 for 7 days * 3 times, 1 as the primary key, and 1 for the foreign key referring to the practitioner, and 1 for the comment). Which is a crappy table, but at least it's easy to select and update.[code]....
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Sep 22, 2011
we are doing a mini project on creating a photo viewer.we are using vb2010 as front end and microsoft sql server 2005 as backend;we were stuck up with reading and storing the picture and its path into the database!
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