To get details about Programmatically reading data from AxDataSourceControl you can refer below code
privatevoid GetData()
{
DataSourceViewSelectCallback callback = newDataSourceViewSelectCallback(PrintData);
AxDataSource1.GetDataSourceView("CustTable").Select(DataSourceSelectArguments.Empty,callback);
}
privatevoidPrintData(IEnumerable data)
{
IEnumerator i = data.GetEnumerator();
while (i.MoveNext())
{
Response.Write(DataBinder.Eval(i.Current, "AccountNum").ToString() + “<BR/>”);
}
}