Query about Delivery Challan

i m not able not able to fetch item table in delivery challan…

Bellow is my code;

<table>
<tr>
		<th rowspan="" width="4%" style="font-size:5px;text-align:center">Sr No</th>
       <th rowspan="" width="37%" style="font-size:5px;text-align:center">Item Code</th>
	  <th rowspan="" width="15%" style="font-size:5px;text-align:center">Hsn Code</th>
	  <th rowspan="" width="8%" style="font-size:5px;text-align:center"> Description</th>
         <th rowspan="" width="4%" style="font-size:5px;text-align:center">Qty</th>
          <th rowspan="" width=15%" style="font-size:5px;text-align:center">Purpose</th>
	  <th rowspan="" width="21%" style="font-size:5px;text-align:center">Rate</th>
		</tr>
		{%- for row in doc.items -%}
		<tr>
			<td style="width: 3%;font-size:5px">{{ row.idx }}</td>
			<td style="width: 37%;font-size:5px">{{ doc.item_code}}
			</td>
<td style="width: 37%;font-size:5px">{{ row.hsn_or_sac}}
			</td>
<td style="width: 37%;font-size:5px">{{ row.description}}
			</td>
<td style="width: 37%;font-size:5px">{{ row.qty}}
			</td>
<td style="width: 37%;font-size:5px">{{ row.purpose}}
			</td>
<td style="width: 37%;font-size:5px">{{ row.rate}}
			</td>
</tr>
		{%- endfor -%}
</table>

Try This

<table class="table table-condensed table-hover table-bordered">
        <tr>
            <th>Sr</th>
            <th>Item Name</th>
            <th>Description</th>
            <th class="text-right">Quantity</th>
            <th class="text-right">Unit Price(AED)</th>
            <th class="text-right">Amount(AED)</th>
        </tr>
        {%- for row in doc.items -%}
        <tr>
            <td style="width: 3%;">{{ row.idx }}</td>
            <td style="width: 57%;"><b>{{ row.item_name or '' }} </b><br> 
                  </td>
<td style="width: 57%;"><b>{{ row.description or '' }} </b><br> 
            <td style="width: 10%; text-align: right;">{{ row.qty }}</td>
            <td style="width: 15%; text-align: right;">
                
                {{ row.get_formatted("rate", doc) or ''}}
            <td style="width: 15%; text-align: right;">{{
                row.get_formatted("amount", doc) or ''}}</td>
        </tr>
        {%- endfor -%}
    </tbody>
</table>

Thanks

Sorry…its not work for me…still it came blank