dataset中的一个datatable的输出问题

Question

<P>datset里一张datatable表,如何使输出为 <BR>sony: &nbsp; k500 &nbsp; k700 &nbsp; ... <BR>nokia:&nbsp; 2650 &nbsp; 3100 &nbsp; ... <BR><BR>表结构为: <BR>mid &nbsp; typeid &nbsp; phone_type &nbsp; id &nbsp; name <BR>223 &nbsp; &nbsp; 3 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; k500&nbsp;&nbsp;&nbsp; 3 &nbsp; &nbsp; &nbsp; sony <BR>224 &nbsp; &nbsp; 3 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; k700&nbsp;&nbsp;&nbsp;&nbsp;3 &nbsp; &nbsp; &nbsp; sony <BR>...... <BR>235 &nbsp; &nbsp; 5 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 2650&nbsp;&nbsp;&nbsp;&nbsp; 5 &nbsp; &nbsp; &nbsp; nokia <BR>236 &nbsp; &nbsp; 5 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 3100&nbsp;&nbsp;&nbsp;&nbsp; 5 &nbsp; &nbsp; &nbsp; nokia <BR>......</P> <P>&nbsp;</P> <P>as.net&nbsp; 的</P>