insert data into the table of AX 2012 from Enterprise Portal

try
{
    IAxaptaAdapter ax;
    IAxaptaRecordAdapter axRecord;
    
    using (axRecord = AxSession.AxaptaAdapter.CreateAxaptaRecord("TableName")) //Add the name of the Table of AX in which you want to insert data
    {
        axRecord.SetField("FieldName", DATA); //Pass the field name of table and data you want to insert into the table.
        axRecord.Insert();
    }
}
catch (Exception ex)
{
    AxExceptionCategory exceptionCategory;
    // This returns true if the exception can be handled here
    if (!AxControlExceptionHandler.TryHandleException(this, ex, out exceptionCategory))
    {
        // The exception is system fatal - in this case we re-throw.                                    
        throw;
    }
}