sqldatareader dr;
sqlcommand com = new sqlcommand();
com.commandtext="SELECT Law_price FROM Law WHERE Law_id=bb";
com.commandtype=commandtype.text;
com.connection=Conn;
dr=com.executReader();
if(dr.hasrow)
{
while(dr.read())
{
textbox1.text=Convert.tostring(dr["Law_Price"])