connectionString() public method

public connectionString ( ) : string
return string
Beispiel #1
0
        public static string[] getTables(Connection conn, string dbName)
        {
            ArrayList tbls = new ArrayList();

            SqlConnection sqlconn = new SqlConnection(conn.connectionString());
            sqlconn.Open();

            SqlCommand cmd = new SqlCommand(dbName + ".dbo.sp_tables", sqlconn);
            cmd.CommandType = CommandType.StoredProcedure;

            SqlDataReader rdr = cmd.ExecuteReader();
            while (rdr.Read())
            {
                if (
                    Convert.ToString(rdr["TABLE_TYPE"]) == "TABLE" &&
                    Convert.ToString(rdr["TABLE_OWNER"]) != "sys"
                    ) tbls.Add(rdr["TABLE_NAME"]);
            }
            rdr.Close();

            return tbls.ToArray(typeof(string)) as string[];
        }
Beispiel #2
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        public static bool hasIdentity(Connection conn, string dbName, string tblName)
        {
            //var sql = String.Format(@"SELECT COUNT(*) FROM {0}.SYS.IDENTITY_COLUMNS WHERE OBJECT_NAME(OBJECT_ID) = '{1}'", dbName, tblName);
            var sql = String.Format(@"USE {0} SELECT OBJECTPROPERTY(OBJECT_ID('{1}'), 'TableHasIdentity')", dbName, tblName);
            SqlConnection sqlconn = new SqlConnection(conn.connectionString());
            sqlconn.Open();

            SqlCommand cmd = new SqlCommand(sql,sqlconn);
            if ((int)cmd.ExecuteScalar() == (int)0)
                return false;
            else
                return true;
        }
Beispiel #3
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        private ArrayList columns(Connection conn)
        {
            ArrayList cols = new ArrayList();

            SqlConnection sqlconn = new SqlConnection(conn.connectionString());
            sqlconn.Open();

            SqlCommand cmd = new SqlCommand(m_database+".dbo.sp_columns", sqlconn);
            cmd.CommandType = CommandType.StoredProcedure;
            cmd.Parameters.Add(new SqlParameter("@table_name", m_table));

            // execute the command
            SqlDataReader rdr = cmd.ExecuteReader();

            while (rdr.Read())
            {
                cols.Add(rdr["COLUMN_NAME"]);
            }
            rdr.Close();

            return cols;
        }
Beispiel #4
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        private List<Hashtable> tableData(ArrayList cols, Connection conn)
        {
            // limiting results?
            string limit = "";
            string order_by = ""; // if negative number for LIMIT then order descending (by first column)

            if (m_limit_results != 0)
            {
                // get top n
                limit = String.Format(@"TOP {0} ", Math.Abs(m_limit_results).ToString());
                // ordering
                order_by = "ORDER BY " + cols[0];
                if (m_limit_results < 0) order_by += " DESC";
            }

            string command = String.Format(@"SELECT {0}* FROM [{1}].[dbo].[{2}] WITH(NOLOCK) {3} {4}", limit, m_database, m_table, m_where_clause, order_by);

            SqlConnection sqlconn = new SqlConnection(conn.connectionString());
            sqlconn.Open();

            SqlCommand cmd = new SqlCommand(command, sqlconn);
            SqlDataReader rdr = cmd.ExecuteReader();

            List<Hashtable> rows = new List<Hashtable>();

            while (rdr.Read())
            {
                Hashtable row = new Hashtable();
                foreach (string c in cols)
                {
                    row.Add(c, rdr[c]);
                }
                rows.Add(row);
            }
            rdr.Close();

            return rows;
        }
Beispiel #5
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        static List<string> getAllDatabases(Connection connstr)
        {
            List<string> dbs = new List<string>();
            string command = "SELECT "
                             + "   name "
                             + "FROM "
                             + "   master.dbo.sysdatabases "
                             + "WHERE "
                             + "   name NOT IN ( 'master', 'model', 'msdb', 'tempdb' ) "
                             + "ORDER BY "
                             + "   name";

            SqlConnection cn = new SqlConnection(connstr.connectionString());
            cn.Open();
            SqlCommand cmd = new SqlCommand(command, cn);

            // issue the query
            SqlDataReader rdr = null;
            try
            {
                rdr = cmd.ExecuteReader();
                if (rdr != null && !rdr.IsClosed)
                {
                    if (rdr.HasRows)
                    {
                        while (rdr.Read())
                        {
                            dbs.Add(rdr["name"].ToString());
                        }
                    }
                }
            }
            catch (Exception e)
            {
                Console.WriteLine("\nUnable to retrieve list of databases from server \n");
                Console.WriteLine(e);
            }

            return dbs;
        }