作者:jiankunking
GridView
ds.Tables[0].Rows[gridView1.FocusedRowHandle]["数据库中某列的名字"].ToString();
( 该方法不需要有 GridView )
DataSet ds=new DataSet();
System.Windows.Forms.BindingManagerBase dsMgr;
dsMgr = this.BindingContext[ds.Tables[0]];
string ds中某列的值 = ds.Tables[0].Rows[dsMgr.Position]["某列名"].ToString();