랜의 모든 데이터베이스 서버, 쿼리 sqlserver 비시스템 데이터베이스, 모든 테이블, 모든 열 가져오기

        /// <summary>  

        ///    

        /// </summary>  

        /// <returns> </returns>  

        public List<string> GetSqlServerNames()

        {

            DataTable dataSources = SqlClientFactory.Instance.CreateDataSourceEnumerator().GetDataSources();



            DataColumn column = dataSources.Columns["InstanceName"];

            DataColumn column2 = dataSources.Columns["ServerName"];



            DataRowCollection rows = dataSources.Rows;

            List<string> Serverlist = new List<string>();

            string array = string.Empty;

            for (int i = 0; i < rows.Count; i++)

            {

                string str2 = rows[i][column2] as string;

                string str = rows[i][column] as string;

                if (((str == null) || (str.Length == 0)) || ("MSSQLSERVER" == str))

                {

                    array = str2;

                }

                else

                {

                    array = str2 + @"\" + str;

                }



                Serverlist.Add(array);

            }



            Serverlist.Sort();



            return Serverlist;

        }



        /// <summary>  

        ///  sql   

        /// </summary>  

        /// <param name="connection"></param>  

        /// <returns></returns>  

        public List<string> databaseList(string connection)

        {

            List<string> getCataList = new List<string>();

            string cmdStirng = "select name from sys.databases where database_id > 4";

            SqlConnection connect = new SqlConnection(connection);

            SqlCommand cmd = new SqlCommand(cmdStirng, connect);

            try

            {

                if (connect.State == ConnectionState.Closed)

                {

                    connect.Open();

                    IDataReader dr = cmd.ExecuteReader();

                    getCataList.Clear();

                    while (dr.Read())

                    {

                        getCataList.Add(dr["name"].ToString());

                    }

                    dr.Close();

                }



            }

            catch (SqlException e)

            {

                //MessageBox.Show(e.Message);  

            }

            finally

            {

                if (connect != null && connect.State == ConnectionState.Open)

                {

                    connect.Dispose();

                }

            }

            return getCataList;

        }



        /// <summary>  

        ///    

        /// </summary>  

        /// <param name="connection"></param>  

        /// <returns></returns>  

        public List<string> GetTables(string connection)

        {

            List<string> tablelist = new List<string>();

            SqlConnection objConnetion = new SqlConnection(connection);

            try

            {

                if (objConnetion.State == ConnectionState.Closed)

                {

                    objConnetion.Open();

                    DataTable objTable = objConnetion.GetSchema("Tables");

                    foreach (DataRow row in objTable.Rows)

                    {

                        tablelist.Add(row[2].ToString());

                    }

                }

            }

            catch

            {



            }

            finally

            {

                if (objConnetion != null && objConnetion.State == ConnectionState.Closed)

                {

                    objConnetion.Dispose();

                }



            }

            return tablelist;

        }



        /// <summary>  

        ///    

        /// </summary>  

        /// <param name="connection"></param>  

        /// <param name="TableName"></param>  

        /// <returns></returns>  

        public List<string> GetColumnField(string connection, string TableName)

        {

            List<string> Columnlist = new List<string>();

            SqlConnection objConnetion = new SqlConnection(connection);

            try

            {

                if (objConnetion.State == ConnectionState.Closed)

                {

                    objConnetion.Open();

                }



                SqlCommand cmd = new SqlCommand("Select Name FROM SysColumns Where id=Object_Id('" + TableName + "')", objConnetion);

                SqlDataReader objReader = cmd.ExecuteReader();



                while (objReader.Read())

                {

                    Columnlist.Add(objReader[0].ToString());



                }

            }

            catch

            {



            }

            objConnetion.Close();

            return Columnlist;

        }