void GetDatabases ()
        {

            StringBuilder sda = new StringBuilder();
            String strConnection = "Put your connection string in detail";
            using (SqlConnection sqlCon = new SqlConnection(strConnection))
            {
                sqlCon.Open();
                DataTable tblDatabasesNmaes = sqlCon.GetSchema("Databases");
                sqlCon.Close();

                foreach (DataRow row in tblDatabasesNmaes.Rows)
                {
                    String strDatabaseName = row["database_name"].ToString();
                    sda.Append(" : " + strDatabaseName);
                }
            }
            MessageBox.Show(sda.ToString());           

        }