Errot :can not connect to server

i am getting error to connect C#.net with sql server. how to solve the problem?

frstly check u hv written proper code and given proper path to ur database..

i hv a copy of it. see this.. this may help

using System.Data.SqlClient;

SqlConnection myConnection = new SqlConnection("user id=username;" +
"password=password;server=serverurl;" +
"Trusted_Connection=yes;" +
"database=database; " +
"connection timeout=30");

try
{
myConnection.Open();
}
catch(Exception e)
{
Console.WriteLine(e.ToString());
}

myCommand.Connection = myConnection;

myCommand.CommandText = "ur query"

myCommand.ExecuteNonQuery();

try
{
SqlDataReader myReader = null;
SqlCommand myCommand = new SqlCommand("select * from table",
myConnection);
myReader = myCommand.ExecuteReader();
while(myReader.Read())
{
Console.WriteLine(myReader["Column1"].ToString());
Console.WriteLine(myReader["Column2"].ToString());
}
}
catch (Exception e)
{
Console.WriteLine(e.ToString());
}