C#通过ODBC查询HANA数据库数据

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/// <summary>

/// 根据SQL语句查询数据

/// </summary>

/// <param name="sql">SQL查询语句</param>

/// <returns>结果集</returns>

public
DataSet getDataSetBySql(String sql)

{

    try

    {

        DataSet ds = new
DataSet();

        OdbcCommand command = new
OdbcCommand(sql);  //command  对象

        String connstring = "dsn=ODBCNAME;uid=USERID;pwd=PASSWORD";  //ODBC连接字符串

        using
(OdbcConnection connection = new
OdbcConnection(connstring))  //创建connection连接对象

        {

            command.Connection = connection;

    　　　　connection.Open();  //打开链接

            OdbcDataAdapter adapter=new
OdbcDataAdapter(command);  //实例化dataadapter

            adapter.Fill(ds);  //填充查询结果

            return
ds;

        }

    }

    catch
(Exception ex)

    {

        throw
new Exception(ex.Message);

    }

}