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Dynamics 365 Community / Forums / Microsoft Dynamics AX (Archived) / Creating System.Data.D...
Microsoft Dynamics AX (Archived)

Creating System.Data.DataSet in MS Dynamics AX

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Posted on by Sebastian Aurand 1,650

Hello together,

currently I'm trying to integrate a .NET control into MS Dynamics AX 2012. In order to display the values. The control needs a certain .NET DataSet (System.Data.DataSet) to be passed.

Are there any good examples how I could create a DataSet within x++ and fill it with data?

I found a Job the data could be read from a XML file but unfortunately I don’t get any response:

static void TestDOTNETDataSet(Args _args)

{

    System.Data.DataSet                 DataSet;

    System.Data.DataTableCollection     DataTableCollection ;

    System.Data.DataTable               DataTable;

    System.Data.DataRowCollection       DataRowCollection;

    System.Data.DataColumnCollection    DataColumnCollection;

    System.Data.DataRow                 DataRow;

    System.Data.DataColumn              DataColumn;

    int                                 i,j,TotalCol,TotalRow;

    str                                 _xml;

    ;

 

    DataSet                 = new System.Data.DataSet();

    DataSet.ReadXml(@"C:\Data.xml", System.Data.XmlReadMode::ReadSchema);

    DataTableCollection     = DataSet.get_Tables();

    DataTable               = DataTableCollection.get_Item(0);

    DataColumnCollection    = DataTable.get_Columns();

    DataRowCollection       = DataTable.get_Rows();

    TotalRow                = DataRowCollection.get_Count();

    TotalCol                = DataColumnCollection.get_Count();

 

 

    for(i = 0; i < TotalRow; i ++)

    {

        DataRow = DataRowCollection.get_Item(i);

        //setprefix(CLRInterop::getAnyTypeForObject(DataRow.get_Item(i)));

        for(j = 0; j < TotalCol; j ++)

        {

            //DataRow = DataRowCollection.get_Item(i);

            if (DataRow.IsNull(j))

                _xml = 'null';

            else

                _xml = DataRow.get_Item(j);

            info(strfmt("%1 - %2 - %3",i,j,_XML));

        }

    }

}

Furthermore this solution would imply, that I have to write the data from AX-Tables into an XML-File, which would be “double work”. I would prefer to create / write the dataset directly in AX.

Any help would be appreciated.

Thanks in advance

Sebastian

 

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I have the same question (0)
  • overzke Profile Picture
    overzke 5 on at

    //读取字符串中的信息
    StrStream = new System.IO.StringReader(_xml);
    //获取StrStream中的数据
    Xmlrdr = new System.Xml.XmlTextReader(StrStream);
    //ds获取Xmlrdr中的数据
    _DataSet.ReadXml(Xmlrdr);

  • Verified answer
    Martin Dráb Profile Picture
    Martin Dráb 237,880 Most Valuable Professional on at

    You'll find many examples as soon as you realize that System.Data is a .NET library, therefore you'll find much more stuff if you look for .NET code and not just for X++. It's possible to use it in X++ through .NET Interop, although writing it in C#, encapsulating in a custom .NET library and using this library from X++ would be easier. You wouldn't have to translate .NET code to X++.

    If you decide to do it in X++ anyway, this is a snippet of how it will look like (not tested):

    System.Data.DataTable table1 = new System.Data.DataTable('Table1');
System.Data.DataColumn column1 = new System.Data.DataColumn('Field1', System.Type::GetType('System.String'));
System.Data.DataColumnCollection columnCollection = table1.get_Columns();
System.Data.DataRow dataRow;
    
column1.set_DefaultValue('');
columnCollection.Add(column1);
    
dataRow = table1.NewRow();
dataRow.set_Item('Field1', 'abcd');
  • dolee Profile Picture
    dolee 11,279 on at

    Hi Sebastian,

    Brainstorming here...

    Write managed code to do the work and returns a System.Data.DataSet?

    So it ends up like:

      DataSet = myLibrary.getAXTableDataSet();

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