ADO.NET :: Database Servers Supprted By LINQ To SQL (4.0)?

Oct 7, 2010

What are the database Servers supprted by LINQ to SQL in .Net Framework 4.0. Is there any other servers other than MS Sql server.

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Configuration :: Using Linq To SQL Data Sources With Clustered Servers And Mirroring?

Jul 7, 2010

I'm a developer new to asp.net 3.5. My client asked if there were any implications of using Linq to SQL data sources with mirrored clustered servers with Failover clustering.

So my questions are can you use Linq to SQL with mirrored Clustered Servers?

If yes to the above, do you need to add or modify any code for mirrored Clustered Servers?

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Double Hop On Workgroup Servers Vs Domain Servers

Nov 16, 2010

I am trying to set up my web site on a stand alone server using Windows Server 2003 with IIS 6 which will access SQL server database (2008) on windows 2008 R2 server (also not in the domain) I am using form authentication and I have configured a custom identity account in IIS6. The local account is on both servers with same password and I have registered the account using aspnet_regiis.exe -ga The application pool in my iis6 has the custom local account set as the identity and my web.config file has the appropriate tags in the system.web element <identity impersonate="true" />

The problem is the local account does not seem to get passed to the sql server. Right now my iis settings are anonymous access (using the local acct vs isr) and no authentication specified under that - I did try Integrated and basic but it prompts for the username and password which I do not want. One article I read stated this: windows authentication does not support delegation (passing credentials from one server to another) and is limited to the one hop rule, only a primary token can be passed to a second server. windows
authentication on iis (all versions) gives the thread a secondary(impersonation) token which can not be used to access any network resouce

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ADO.NET :: Entity Framework With Multiple Database Servers

Feb 7, 2011

We have an IVR product that reads a configuration database for callflow information. I am writing a tool for our implementation team that will allow them to add/delete/update the data in the configuration database. Once the tool is in production, the implementer will use only the production release of the tool to modify the configuration database in all four of the IVR regions (Dev, QA, Cert, and Prod). Each region has its own database with identical schemas. The tool has 'tabs' across the top for each region. If a user is currently working in the Dev region and clicks the QA tab, how do I switch my connection from the Dev db server to the QA db server?

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ADO.NET :: JOIN Tables From Different Physical Database Servers?

Jan 11, 2011

Basically I want to JOIN a table from a MySQL database to a table from a MSSQL database. The reason is because I don't own the MySQL database and I only have SELECT privileges to it. For my ASP.NET application, I need to create two new tables. I have my own MSSQL DB and I have an SA account for it. Is this possible?
This is how I connect to MySQL:

[Code]....

I think the problem here is that I need 2 open database connections for the DataAdapter to use?

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SQL Server :: Copy One Table From One Database To Another On Different Servers?

Nov 1, 2010

ServerName.Database.dbo.TableIn above convention can we use IP address instead of ServerName?

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Java - Important To Put Application And Database On Different Servers (for Sql - Server)?

Aug 3, 2010

I heard that for java (jboss + any DB) it's really important cuz there is going to be lot of problems, but for .net not so much, is it ?

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DataSource Controls :: Connecting Two Servers With A Readonly Privilage To A Database?

Apr 12, 2010

I have two PCs with Windows Server 2003 standard adition installed on them, each are in a saperte room, and having SQL Server 2005 Express. Now I want to let Myserver to connect to server1 with a readonly access to a database on it. I figured to create a user acount on server1, and make it as a login account in SQL Server and grant the appropreate privilage. Now I'm wandering are there any security risks regarding this approch.

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SQL Server :: What Will Happen If Two Application Servers Communicate One Database Server

Jan 12, 2011

If i wanted to communucate from two application server to one SqlServer,what are the drawbacks if i implemented a senario like this, at the same time wat are the advantages.

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ADO.NET :: Mapping Access Database To SQL Database Using LINQ?

Feb 5, 2011

Could anyone provide me more info regarding this subject because I'm clueless. Any link, tutorial or anything else would be appreciated. The problem is I don't know where to start, but what I have to do is to import data from Access database to very similar SQL database.

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ADO.NET :: To Update Teh Database Using Linq

Nov 23, 2010

I have to update teh database table using Linq.

The table has max 1 row sometimes no rows at all, below is my code, but it throws error.I amm very new to Linq

protected void btnSave_Click(object sender, EventArgs e)
{
var pss = new PrintingServiceDataContext();[code].....

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C# - How To Update Database Using Linq And EF

Mar 18, 2011

My controller:

[HttpPost]
public ActionResult Deposit(DepositTicket dt)[code]....

Where the comment "Update Query" is, is where I want to add an update query to updated the Account table with an Account object. I want to update the exisiting record, can this be done using the predefined functions for db.Accounts or would I have to write a linq query?

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ADO.NET :: Update Database With Linq To Sql

Dec 17, 2010

I'm using linq to sql to on a recent project. So was wondering if anyone could provide any advice as to why this code doesn't update the database? The problem seems to be that the value from the textbox isn't persisted when I click the submit button in the gridview.

[Code]....

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Web Forms :: How To Get Images From A Database Using LINQ To SQL

Jun 26, 2010

I have a table users which has a column called PHOTO and a datatype of varbinary(MAX)... I have successfully stored image from the database now how do i retrieve it

This is the code which i used to store images in a database

[Code]....

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ADO.NET :: Linq To Sql Many To Many Insert Into Database In One Transaction

Mar 27, 2011

i have a Tag Table TagId TagName

Post Table PostId PostName

TagPost Table TagId PostId

How can i do a many to many insert into database in one transaction?

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ADO.NET :: How To Store Datatime Into Database - Linq

Aug 21, 2010

DateTime dt = DateTime.Now; tbl_Payment tbl_Payments = new tbl_Payment() { UserId = UserID, PaymentType = DropDownList4.Text, AmountDeposit =10, Date = String.Format("{0:d/M/yyyy HH:mm}", dt); Compilation Error Compilation Error Description: An error occurred during the compilation of a resource required to service this request. review the following specific error details and modify your source code appropriately. Compiler Error Message: CS0029: Cannot implicitly convert type 'string' to 'System.DateTime?' Source Error: Line 683: PaymentType = DropDownList4.Text, Line 684: AmountDeposit =10, Line 685: Date = String.Format("{0:d/M/yyyy HH:mm}", dt), Line 686: Line 687: }; Using LINQ for data storage. In Table I column "Date" datetime. How to save a date in the table?

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ADO.NET :: Want To Download A File From A Database Using LINQ To SQL?

Oct 26, 2010

I have used AsyncFileUpload AJAX control to upload a file to a column in a SQL Server database using LINQ to SQL. Below is the code. How do I retrieve the document and allow the user to save to local drive using a Save As Dialog box using LINQ to SQL? This is ASP.NET web application. The DocumentFileContent database column is a Image SQL Server data type.

var VRRRMDataDataContext = new VRRRMDataDataContext();
VRRRMWeb.AllUsers.Document custDocument = new VRRRMWeb.AllUsers.Document
{ DocumentFileName = AsyncFileUpload1.FileName, [code].....

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Linq - Database Is Not Only SQL Server..MYSQL

May 15, 2010

I watched many videos about using LINQ to SQL, I am happy I learned something,but is it the good way of using is: dragging and dropping and that's done???what are the best practices to use LINQ to access Database ( my database is not only SQL server..MYSQL..)

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How To Get Database Names From Given Sql Server In LINQ

Feb 5, 2010

I have DropDownList displays all server present in my network I want to populate the databse names when i changed it into another dropdown I want a LINQ query to get this.

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ADO.NET :: SQL Trigger Or Use LINQ For Database Entry?

Aug 1, 2010

I am creating a website using MVC and Entity Framework for data access and implementing my own user registration etc.. I was wondering if it is better to use a SQL Trigger or addtional LINQ in the register function to enter data into a user profile table after entering data into the Users table when a user registers. I need to add a row to the UserProfile table with the userID etc for additoional info they might have down the road if they choose to enter it.

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C# - Linq To Entities / Create Database

Dec 15, 2010

In linqtosql you could do something like:

datacontext.CreateDatabase() to generate a database from the model in sql.

I'm wanting to do the same thing in linq to entities.

Say I have a class MyEntities which inherits from ObjectContect is there a similiar method?

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ADO.NET :: Write A LINQ To SQL For Searching Database?

Feb 7, 2011

I'm trying to write a LINQ to SQL for searching my database. What's the best method or LINQ to SQL comparing condition?

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ADO.NET :: Connect Pervasive Database With LINQ?

Oct 8, 2010

How can i connect pervasive database with LINQ in asp.net

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ADO.NET :: Dynamically Create A Database (LINQ To SQL)?

Sep 3, 2010

I want to create an install script for a simple little CMS I have created for myself... I want to pass the connection string and then create my tables.

I found the following example on MSDN:

[URL]

My question is how do I pass the username and password to the DB...

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ADO.NET :: Delete All The Data From Database Through Linq?

Aug 15, 2010

how to delete all the products from table against a category id using linq.

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