how to connect with database when we are in window Authentication mode.

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Dear friends

Please tell me how to connect with sql server with c# when we are in Window Authentiation mode in sql server. while connecting with SQL i am writing following code...

C#

SqlConnection con = new SqlConnection();
                con.ConnectionString = " Data Source = UPADHYAY-PC\\SQLEXPRESS; Initial Catalog = belwal";
                con.Open();

but its showing Logon fail. because there is not user id and password. ...

please help....

thanks

Posted 3-Oct-12 1:12am

Nand Kishor Upadhyay

Updated 3-Oct-12 1:22am

DaveAuld

v2

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Abhijit Parab · Answer 1 · 2012-10-03T01:27:00

Solution 1

in case of window authentication mode......
use following code

SqlConnection con = new SqlConnection();
con.ConnectionString = " Data Source = UPADHYAY-PC\\SQLEXPRESS; Initial Catalog = belwal; integrated Security=true;"

Posted 3-Oct-12 1:27am

Abhijit Parab

VishalJadhav89 · Answer 2 · 2012-10-03T01:40:00

Solution 2

For window authentication mode

C#

con.ConnectionString = " Data Source = localhost\\SQLEXPRESS; Initial Catalog = belwal; integrated Security=true;"

Posted 3-Oct-12 1:40am

VishalJadhav89

Updated 3-Oct-12 1:49am

v2