Programmatically Specify Connection String In Dataset.xsd In Vs2005?

Nov 28, 2009

I want to create a dataset.xsd in vs2005, and I am using access database, so I cant know where my client save the application. Hence I used application.startuppath() to get the application folder and appended "Datadb.msd" to the application.startuppath() so i got the target location for the access databse in client machine. Now to create crystal reports I need the dataset.xsd but while creating a new dataset.xsd it was asking the path for the access database, how to programmatically specify the connection string in dataset.xsd so that i can create a connection string. and use that dataset for creating crystal reports.

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.net - Programmatically Modify Connection String?

Dec 28, 2010

I am working in visual studio with a datagridview that is bound to a mysql database via the .net mysql connector. In my vb app I have some text fields that provide the necessary fields for building the connection string which I have defined as:

[Code]...

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Oct 6, 2008

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I made an application that was used by one person only, but now my boss told me that this application it'll be used by all company.I made the application with a dataset that have the datasource in a access database that's installed with the application. The user can add, delete and change values in the database, so i had to put the database in a sql server to everyone see the changes.There's someway to change the dataset datasource/connection string?

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Aug 4, 2010

Winfom, intellsense remind me configurationManager wrong.This code is from asp.net, how can I change it?

unction GetData(ByVal queryString As String) As DataSet
' Retrieve the connection string stored in the Web.config file.
Dim connectionString As String =

[code]......

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Change Connection String At Runtime For Strongly Typed DataSet?

Jun 28, 2010

I need to be able to change the connection string of a strongly typed dataset at runtime. I have gone into the settings.vb page and written this code:

Namespace
My
'This class allows you to handle specific events on the settings class:
' The SettingChanging event is raised before a setting's value is changed.
' The PropertyChanged event is raised after a setting's value is changed.
' The SettingsLoaded event is raised after the setting values are loaded.
' The SettingsSaving event is raised before the setting values are saved.
[Code] .....

The way the code is suppose to work is that when a user logs in, the application gets the user's site ID (gvUserSite), then uses that to set the connection string. But when I log on with a SiteID of "21" it always uses the Case Else value. Also when I set breakpoints in settings.vb the application never stops on the breakpoints I set during runtime. As if the breakpoints were never set. Also if I put any code in the "MySettings_SettingChanging" in settings.vb I get a runtime error
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Aug 25, 2009

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Dim cmd As New SqlCommand()
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Mar 11, 2010

I got this Error Message while I try to preview the records in Dataset Designer:"The connection string could not be found or Data provider associated with the connection string could not be loaded"

Here is my dataset.xsd code

<Connections>
<Connection AppSettingsObjectName="MySettings" AppSettingsPropertyName="loginConnectionString1" IsAppSettingsProperty="true" Modifier="Assembly" Name="loginConnectionString1 (MySettings)"

[code]....

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Feb 10, 2009

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[02/03] Programmatically Change Database Connection In Crystal 10

Feb 25, 2009

I have few crystal 10 reports with default to a server & database during crystal design time (server=SRV1, DB=Pub1). And, i calling these report from VB. net application with a config.ini define my server & DB . Recently,i hv clone the same reports but extract from different server & Database name (Server=Srv2,DB=Pub2, the tables & fields are still same ) i have created a config.ini which contain my server, database, uid & pwd. And, when i execute these cloned report , they still point back to the origin server which was server=SRV1, DB=Pub1.

My coding :-

Imports CrystalDecisions.Shared
Imports CrystalDecisions.CrystalReports.Engine
Private Sub Button2_Click(ByVal sender As Object, ByVal e As System.EventArgs)

[Code].....

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Mar 16, 2012

I am developing a program to manage inventory and accounts. different clients need different databases like oracle/sqlserver/mysql etc. i want to make my solution work with all these database servers by only changing one string value . i want to declare like :

[Code]...

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Apr 29, 2010

I have a SQL Server database for which I have created a strongly-typed DataSet (using the DataSet Designer in Visual Studio 2008), so all the adapters and select commands and whatnot were created for me by the wizard.

It's a small database with largely static data, so I would like to pull the contents of this DB in its entirety into my application at startup, and then grab individual pieces of data as needed using LINQ. Rather than hard-code each adapter Fill call, I would like to see if there is a way to automate this (possibly via Reflection). [code]...

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Feb 5, 2010

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Sep 3, 2011

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Jan 19, 2011

I'm developing an app in vb.net (visual studio 2008). I have a Teradata back-end that will be supporting multiple users in a production environment. I need to use variables in the connection string as the user/pass will be changed every 3 months.

For the gist of the application:

In it's most basic form - I have a search form which works correctly - it pulls results into a listbox and the user then double clicks the list box which will then open a form that is bound via table adapter to the back-end table (Teradata). My connection string is fine everywhere in the application. My problem is using a modified connection string for the "fill" function of the table adapter once the form is opened.

I'm using the code below for the on-load event and keep getting an "invalid connection string" - again, the connection string works fine everywhere else in the app, and the variables etc... are working correctly.

Private Sub adaptertest_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Dim DBConnStr As String = "Provider=TDOLEDB;Data Source=TDDEV;Persist Security

[Code].....

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Aug 26, 2009

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Mar 18, 2012

I am trying to connect DSN from my VB 2008 project. When i try using myoledb.connectionstring="DSN=myDNSname" I get the following error message An OLEDB provider was not specified in the connectionstring.

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Nov 2, 2011

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public function GetDS as MyTypedDS
Dim dsRetVal as new MyTypedDS
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return dsRetVal
end function

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Aug 6, 2009

I have created many datasetsets in many projects in a solution. In each case the datatables reference a named data conection such as laptop_rick.intPricing.dbo.  In that connection I point to the server, etc..  I should point out that in the code I connect to an entire different db server and this is all setup at runtime, this is strictly an IDE issue.  Now I have moved the development server.  Now of course when they try to connect to the server during development of the datasets it complains that it can't find the server. No problem just open the defined data connection and change the server name.

The problem is that I can't seem to get the dataset to recognize that it needs to rebuild that information in the xsd file.  I look in the file and there are still references to the old server.  If I change the connection definition in the xsd and rebuild all is fine but I don;t want to have to do that for each every dataset.  It seems that although the dataset recognizes the name of the named data connection instead looking for that it embeds the details of the connection into the dataset xsd file.

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Jan 12, 2011

I made a basic program that connects and gets content from a table via SQL, it's working normally. What I want is; when connection losts via SQL Server or internet connection, it must continue to list items that it got before connection losts instead of giving "Connection Problem Error".[code]...

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Oct 21, 2009

I am developing a software that will be installed on 3 servers using sql server 2005 + replication.

In my development I want to use sql server with dataset.

When I finish the project at my development machine, I want the ability to install it at these 3 servers.

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Can I change the connection string created by the wizard during run time?

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Dec 6, 2011

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Feb 10, 2010

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Dec 16, 2010

I have an existing project written in VB.NET using Visual Studio 2005 communicating to a SQL Server 2005 database. The database was migrated to a sql server 2008 r2 on a different physical server so the dataset's server name needs to be updated. I do not have access to the database anymore. is there a way to just update the server name without invoking the dataset wizard and requiring a connection to the database?

UPDATE: I tried to created a new project with just a button with the command calling the following subroutine to test the connection from a windows app to the sql server database. here is the sub:

Public Conn as New ADODB.Connection
Public Sub PubSubConnectToDB()
Conn.Open("Server=w2k54

[Code]....

I am able to created a system dsn on the same server with the same credentials and test the connection successfully.

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Jul 22, 2010

I have a dataset that I created through the wizard, to pull the data and their types from the database tables and prevent some of the headaches of creating the tables and data types individually.I am looking for where the database connection for the dataset is defined at so I can change this. The reason being is I have added a database connection dialog where the user will select the location of the database server and I am wanting to pass the connection string from what the user selects to the dataset so the dataset uses this as its connection string instead of the default one I defined in the wizard.Where is this defined at so I can change it?

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Dim cn As New SqlConnection
Dim cmd As New SqlCommand[code].....

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Jun 29, 2011

I'm creating a tool that will query Excel and intialize the default settings for the site's Cad Software.I want 2-20 users to be able to simultaneously query excel. Currently I have the spreadsheet open on one computer and the other test machine gives me this error. 

GetOleDbSchema Table Require an open and available connection. The connections state is closed.

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Private Const cPageData = "PageData"
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Jun 14, 2010

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Dec 1, 2010

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Apr 17, 2009

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Sep 13, 2009

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Jan 11, 2012

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Nov 18, 2011

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Jul 16, 2009

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Jun 4, 2011

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Dec 15, 2011

I'm trying to change my connection string to w/e the user wants. After a few tips here and there, this is what I've come up:

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2: Here is the code I'm using

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[code]....

The error I get is: Format of the initialization string does not conform to specification starting at index 0.here -

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Apr 19, 2012

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May 2, 2012

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[Code]....

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