I am trying to connect to an MS SQL server residing on our local network but always
getting back the message of "System.Data.SqlClient.SqlException(0x80131904): A network-related or instance-specific error occurred...".
I can connect to the server with TOAD for SQL SERVER by Windows authentication.
I copied the code below.
What did I do wrong.
private void button1_Click(object sender, EventArgs e)
{
SqlConnection conn = new SqlConnection("server=\\AAA"
+ "trusted_connection=yes;"
+ "database=TESZT;connection timeout=10");
try
conn.Open();
label1.Text = "Connection OK";
conn.Close();
}
catch(Exception ex)
label1.Text = ex.ToString();
Thanks,
Tamas