Binding treeview[urgent plz]

[C# Programming]

hai....help me plz....urgent
i create data table for treeview lik dis
with hospital name as treenodes|Dr names as subnodes .. Apolo|Dr.jhon
Image|Dr.Krish
Care|Dr.Ram
Apolo|Dr.sri
Image|Dr.prabhu
Care|Dr.san


i want treeview display lik dis....

-.Apolo
. .
. .
. .Dr.jhon
. .Dr.sri
.
-Image
. .
. .
. .Dr.prabhu
. .Dr.Krish
.
-Care
.
.
.Dr.Ram
.Dr.san


but in treeview it displaying lik dis..it opening in another treenodes with single name..

-.Apolo
. .
. .
. .Dr.jhon
.
.
-Image
. .
. .
. .Dr.prabhu
.
.
-Care
.
.
.Dr.Ram

-.Apolo
. .
. .
.
. .Dr.sri
.
-Image
. .
. .
.
. .Dr.Krish
.
-Care
.
.

.Dr.san




thanqu....http://www.barakasoft.com/script/Forums/Images/smiley_smile.gif