Stored Procedure in Linq in asp.net

MyLinqDataClassesDataContext mylinq = new MyLinqDataClassesDataContext();

var pwd=mylinq.StoredProcedurename(txt_getpassword.Text);

        //GridView1.DataSource = pwd;

        //GridView1.DataBind();

        foreach (var pw in pwd)

        {

            Label1.Text = pw.password_db.ToString();

        }