Code to create Parent Child Hierarchy

[uec_gaurav]

Hi,

Can anyone help me, as i have data in 2 column and need to create hierarcy. please refer the example below

[TABLE="width: 128"]
<colgroup><col width="64" style="width:48pt" span="2"> </colgroup><tbody>[TR]
[TD="class: xl64, width: 64"]Child[/TD]
[TD="class: xl64, width: 64"]Parent[/TD]
[/TR]
[TR]
[TD="class: xl63"]A[/TD]
[TD="class: xl63"]B[/TD]
[/TR]
[TR]
[TD="class: xl63"]B[/TD]
[TD="class: xl63"]C[/TD]
[/TR]
[TR]
[TD="class: xl63"]C[/TD]
[TD="class: xl63"]D[/TD]
[/TR]
[TR]
[TD="class: xl63"]D[/TD]
[TD="class: xl63"]D[/TD]
[/TR]
</tbody>[/TABLE]


My desired output is as below

[TABLE="width: 256"]
<colgroup><col width="64" style="width:48pt" span="4"> </colgroup><tbody>[TR]
[TD="class: xl64, width: 64"]Parent[/TD]
[TD="class: xl64, width: 64"]Lvl 1[/TD]
[TD="class: xl64, width: 64"]Lvl 2[/TD]
[TD="class: xl64, width: 64"]Lvl 3[/TD]
[/TR]
[TR]
[TD="class: xl63"]D[/TD]
[TD="class: xl63"][/TD]
[TD="class: xl63"][/TD]
[TD="class: xl63"][/TD]
[/TR]
[TR]
[TD="class: xl63"]D[/TD]
[TD="class: xl63"]C[/TD]
[TD="class: xl63"][/TD]
[TD="class: xl63"][/TD]
[/TR]
[TR]
[TD="class: xl63"]D[/TD]
[TD="class: xl63"]C[/TD]
[TD="class: xl63"]B[/TD]
[TD="class: xl63"][/TD]
[/TR]
[TR]
[TD="class: xl63"]D[/TD]
[TD="class: xl63"]C[/TD]
[TD="class: xl63"]B[/TD]
[TD="class: xl63"]A[/TD]
[/TR]
</tbody>[/TABLE]