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Datagrid Gridlines do not Print after the First Page.

ASP.Net Troubleshooting

Datagrid Gridlines do not Print after the First Page.

by  Mike555  Posted    (Edited  )
When printing a webform containing a datagrid longer than one printed page, the datagrid's gridlines may only print on Page 1. This problem occurs due to an IE bug which effects borderCollapsing on client-side tables. (The datagrid is rendered as a table during run-time)

There are 2 ways (which i know of) to work around this issue.

1st Method- Simply implement Paging within your datagrid to ensure that records never print past page 1.

2nd Method- Implement the following 2 Javascript functions into the HTML view of the webform containing the datagrid...
Code: 
<HTML>
<HEAD>
<SCRIPT language="Javascript">
		function clearAttrs()
		{
		document.all.DataGrid1.style.borderCollapse = "separate";
		}
		function setAttrs()
		{
		document.all.DataGrid1.style.borderCollapse = "collapse";
		}
</SCRIPT>
</HEAD>
<body onafterprint="setAttrs() onbeforeprint="clearAttrs()>
</body>
</HTML>
However, if you have a datagrid that is not visible when the page initially loads, you may need to format your Javascript a bit differently. For example, you have 2 datagrids, DataGrid1 & DataGrid2, located on a webform which are not initially visible when the page loads. You may need to format the Javascript as follows...
Code: 
<HTML>
<HEAD>
<SCRIPT language="Javascript">
		function clearAttrs()
		{
		if (document.all.DataGrid1 != null)
			document.all.DataGrid1.style.borderCollapse = "separate";
		else if (document.all.DataGrid2 != null)
			document.all.DataGrid2.style.borderCollapse = "separate";
		}
		function setAttrs()
		{
		if (document.all.DataGrid1 != null)
			document.all.DataGrid1.style.borderCollapse = "collapse";
		else if (document.all.DataGrid2 != null)
			document.all.DataGrid2.style.borderCollapse = "collapse";
		}
</SCRIPT>
</HEAD>
<body onafterprint="setAttrs() onbeforeprint="clearAttrs()>
</body>
</HTML>

HTH,
Mike
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