一.
SqlDataAdapter sda=new SqlDataAdapter("select top 1 * from Goods_"+GoodsType+" order by id desc",FPara.connStr);
DataSet ds=new DataSet();
SqlCommandBuilder GoodCB = new SqlCommandBuilder(sda);
sda.Fill(ds,"newGoods");
int Tempid=1;
if(ds.Tables["newGoods"].Rows.Count==1)........二.
SqlDataAdapter sda=new SqlDataAdapter("select top 1 * from Goods_"+GoodsType+" order by id desc",FPara.connStr);
DataSet ds=new DataSet();
SqlCommandBuilder GoodCB = new SqlCommandBuilder(sda);

try
{
     sda.Fill(ds,"newGoods");
}
catch
 {} int Tempid=1;

 {
 try
 {
      if(ds.Tables["newGoods"].Rows.Count==1)
 }
catch
{}
}...................
一二  有什么区别,为什么二能运行,一不能运行啊  ,请高手帮忙