Connection Error In Sql Server Compact Edition 2005

HI friends,

i m working on device application ..i m using sql server ce 2005 with c#.net ... but when i m trying to connect to database it shows me error that

"the database path not found ... please check the path [,,,filename,,,]"

my code is as below

private string ConnStr = "Data Source =\My Documents\Employee.sdf;";

private void cmdCheckConnecton_Click(object sender, EventArgs e)
{
try
{
cn = new System.Data.SqlServerCe.SqlCeConnection(ConnStr);
cn.Open();
MessageBox.Show(cn.State.ToString());
}
catch (SqlCeException ex)
{
MessageBox.Show(ex.Message.ToString());
}
}

i have my database in My Documents and the path is right still it shows the error

pls help if any one have a solution regarding this problem


thanxx

Zalak Shah