How to join two table from two database in c#.

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How to join two table from two database using innerjoin in c#.
my Sql Query is
SELECT a.WorkAreaID, b.UserID , b.DisplayName FROM Test1.dbo.Resource a inner join Test2.dbo.User b ON
a.UserID =b.UserID
where Test1 and Test2 are database.

how to do this in c#?

Posted 1-Jan-13 23:28pm

SukirtiShetty

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Aarti Meswania 2-Jan-13 5:35am

you have already written query
it looks proper.
what is problem any error while execute?

SukirtiShetty 2-Jan-13 5:49am

here is my c# code

DataTable dt = new Select(Test1.Resource.WorkAreaIDColumn, Test2.User.UserIDColumn, Test2.User.DisplayNameColumn).From(Test1.Resource.Schema).InnerJoin(Test2.User.Schema).ExecuteDataSet().Tables[0];

DataView dv = new DataView(dt);

I m getting this error: Invalid object name 'dbo.User'.

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Rachna0309 · Answer 1 · 2013-01-02T01:02:00

Solution 1

try this if both databases are within same server:
SELECT a.userID, b.usersFirstName, b.usersLastName FROM databaseA.dbo.TableA a inner join database B.dbo.TableB b ON a.userID=b.userID

Posted 2-Jan-13 1:02am

Rachna0309

Comments

SukirtiShetty 2-Jan-13 22:56pm

this query is working in Sql server but i want query in c#

zachkay 23-Feb-18 2:24am

sir, how if the database in different server?